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CCNA ON Premises Call Control Questions

71 questions · ON Premises Call Control · All types, answers revealed

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1
MCQhard

A Cisco Unified Communications Manager (CUCM) cluster is configured with a SIP trunk to a Cisco Unified Border Element (CUBE) for PSTN connectivity. Users report that outbound calls to a specific area code fail, but all other calls succeed. The CUCM route pattern for that area code is configured with a route list that includes the SIP trunk. The CUBE shows that it receives the INVITE but rejects it with a 488 Not Acceptable Here. Which CUCM configuration should be checked first to resolve this issue?

A.The SIP trunk's Inbound Calls > Significant Digits setting.
B.The region assigned to the SIP trunk, which defines the codec used for calls.
C.The route group's distribution algorithm.
D.The SIP trunk's Outbound Calls > Calling Party Selection setting.
AnswerB

A 488 Not Acceptable Here often results from a codec mismatch between CUCM and CUBE. The region assigned to the SIP trunk determines which codec is offered. If the region is set to a codec that CUBE does not support or that is not allowed on the dial peer, CUBE rejects the call with 488. Checking the region and associated codec is the first step.

Why this answer

A 488 Not Acceptable Here response from CUBE indicates that the media description (SDP) in the INVITE is not acceptable. The region assigned to the SIP trunk in CUCM defines the codec that will be offered for calls traversing that trunk. If the region forces a codec that CUBE cannot support or that is not configured on the dial peer, CUBE rejects the call.

Therefore, the region configuration should be verified first.

Exam trap

The trap here is assuming that a 488 error is always a CUBE dial-peer issue, when it can also originate from a CUCM region codec mismatch that forces an unsupported codec toward CUBE.

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2
MCQeasy

Which service must be running for a phone to receive its configuration file?

A.Cisco Database Layer Monitor
B.Cisco CallManager
C.Cisco TFTP
D.Cisco CTI Manager
AnswerC

Cisco TFTP delivers the XML configuration file to the phone during provisioning; the phone requests it by name from the TFTP server address supplied via DHCP option 150. Without this service running, the phone cannot download its configuration and remains unregistered.

Why this answer

The Cisco TFTP service must be running for a phone to receive its configuration file. When a phone boots, it requests its configuration file (e.g., SEP<MAC>.cnf.xml) from the TFTP server, which is a core CUCM service. Without TFTP, the phone cannot download its configuration, firmware, or dial plan, and will fail to register.

Exam trap

CLCOR often tests the specific role of each CUCM service, so the trap is confusing TFTP (configuration file delivery) with CallManager (call processing) or CTI Manager (application integration).

How to eliminate wrong answers

Option A is wrong because Cisco Database Layer Monitor monitors the database replication and health, not file transfer to phones. Option B is wrong because Cisco CallManager handles call processing and registration after the phone has its configuration, but it does not serve the configuration file itself. Option D is wrong because Cisco CTI Manager provides computer telephony integration for applications like Jabber and contact centers, not phone configuration file delivery.

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3
MCQmedium

You are troubleshooting a scenario where internal calls between two sites are failing. The call fails immediately when dialed. What is the most effective way to verify that the Calling Search Space (CSS) has access to the destination partition?

A.Check the 'Route Filter' list.
B.Use the 'Route Pattern' report in Cisco Unified Reporting.
C.Reset the SIP trunk.
D.Use the Dialed Number Analyzer (DNA) tool.
AnswerD

Dialed Number Analyzer simulates the call routing path using the actual dial plan, showing precisely which partitions the CSS can reach and where the immediate failure occurs. It isolates CSS-to-partition mismatches faster than reading configuration or capturing traces.

Why this answer

The Dialed Number Analyzer (DNA) tool in Cisco Unified Communications Manager simulates a call from a specified calling device/DN to a dialed number, showing exactly which partitions, CSS, translation patterns, route patterns, and route lists are matched. It is the definitive tool for verifying whether a CSS has access to the destination partition and for pinpointing where dial plan processing fails.

Exam trap

CLCOR often tests the misconception that reports or trunk resets can diagnose CSS/partition access issues, when only DNA actually simulates the dial plan decision path.

How to eliminate wrong answers

Option A is wrong because Route Filters are used with route lists to filter route groups based on dialed digits or time-of-day, not to verify CSS-to-partition access. Option B is wrong because the Route Pattern report in Cisco Unified Reporting lists route patterns and their associated partitions/route lists but does not simulate a call or evaluate CSS access. Option C is wrong because resetting a SIP trunk is a disruptive action that does not diagnose dial plan/CSS issues and would not reveal partition access problems.

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4
MCQhard

You have a cluster with multiple nodes. You want to ensure that phones in the 'New York' office prioritize registration to a 'New York' subscriber. How do you implement this?

A.Create a CM Group with the local subscribers and assign it to the Device Pool.
B.Use a Route Group to point to the subscriber.
C.Assign the phones to a specific Region.
D.Configure the TFTP server address in the phone.
AnswerA

Assigning a CM Group containing the New York subscriber to the device pool makes that subscriber the primary registration target for phones in that pool, with others acting as backups. This satisfies the requirement to prioritise local registration for the New York office.

Why this answer

A Cisco CallManager Group (CM Group) defines an ordered list of subscribers that devices in an associated Device Pool will register to. By creating a CM Group containing the New York subscribers and assigning it to the Device Pool used by New York phones, those phones will prefer the local subscriber for registration, keeping signaling local and reducing WAN dependency. This is the standard CUCM mechanism for call processing redundancy and locality.

Exam trap

CLCOR often tests the confusion between CM Groups (registration priority) and Route Groups (call routing), so candidates pick Route Group thinking it directs phones to a subscriber.

How to eliminate wrong answers

Option B is wrong because a Route Group is used for outbound call routing to gateways/trunks, not for phone registration. Option C is wrong because Regions control codec selection between sites, not registration priority. Option D is wrong because the TFTP server address only tells the phone where to download its config; it does not control which subscriber the phone registers to.

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5
Multi-Selectmedium

Which TWO of the following are valid types of Media Resources in CUCM?

Select 2 answers
A.Music on Hold Server
B.Conference Bridge
C.Calling Search Space
D.Route Group
E.Translation Pattern
AnswersA, B

Music on Hold Server is a distinct media resource type configured in CUCM, streaming audio to callers placed on hold. It satisfies the stem's requirement for valid Media Resource types, alongside other resources such as conference bridges, transcoders, and media termination points.

Why this answer

In Cisco Unified Communications Manager, Media Resources are the software or hardware components that provide media-processing functions for calls, and the two valid types listed here are the Music on Hold (MOH) Server (option A) and the Conference Bridge (option B). A Music on Hold Server is a media resource because it streams audio to callers placed on hold, and it is configured under Media Resources > Music On Hold Server in CUCM. A Conference Bridge is likewise a media resource because it mixes the audio streams of multiple participants in a conference call, and it appears under Media Resources > Conference Bridge.

The other options are not media resources: a Calling Search Space (C) is a dial-plan construct that defines which partitions a device or line can search for call routing, a Route Group (D) is a list of gateways or trunks used for route-list selection in call routing, and a Translation Pattern (E) is a dial-plan element that manipulates the called-party number before routing. None of C, D, or E perform any media processing, so they do not qualify as Media Resources in CUCM.

Exam trap

CLCOR often tests the distinction between dial-plan objects (CSS, Partition, Translation Pattern, Route Group, Route List) and media-processing objects (MOH, Conference Bridge, Transcoder, MTP, Annunciator), so candidates who see 'Route Group' and 'Translation Pattern' as infrastructure components may incorrectly select them.

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6
MCQmedium

Which field in a Route Pattern can be used to discard the first few digits of a dialed number before routing?

A.Calling Search Space
B.Called Party Transform Mask
C.Discard Digits
D.Route Filter
AnswerC

The Discard Digits field applies a pre-dot or post-dot digit-discard pattern, stripping leading digits from the dialled string before Cisco Unified Communications Manager matches the pattern and routes the call. This satisfies the requirement to remove initial digits.

Why this answer

The 'Discard Digits' field in a Cisco Unified Communications Manager Route Pattern is specifically designed to strip leading digits from the dialed number before the call is routed. It uses predefined discard digit instructions (such as PreDot, PreAt, or NoDigits) to remove unwanted prefixes like access codes or area codes. This transformation occurs before the number is presented to the destination, ensuring the correct digits are sent.

Exam trap

CLCOR often tests the confusion between digit manipulation fields (Discard Digits, Called Party Transform Mask) and routing/authorization fields (Calling Search Space, Route Filter). Candidates may incorrectly choose Called Party Transform Mask because it also manipulates digits, but it does not discard them.

How to eliminate wrong answers

Option A is wrong because Calling Search Space is used for call routing authorization and class of service, not for digit manipulation. Option B is wrong because Called Party Transform Mask is used to modify the called party number by adding or replacing digits, not discarding them. Option D is wrong because Route Filter is used to filter route patterns based on dialed digits for route selection, not to discard digits from the dialed number.

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7
MCQmedium

What is the function of 'Cisco Unified Reporting' in a CUCM environment?

A.To generate cluster and system reports.
B.To monitor network bandwidth.
C.To manage real-time call logs.
D.To perform bulk configuration.
AnswerA

Cisco Unified Reporting provides prebuilt cluster-wide and system-level reports, such as cluster overview and service status, without needing external tools. This directly fulfils the requirement to generate cluster and system reports in a CUCM environment.

Why this answer

Cisco Unified Reporting is a CUCM administration interface that generates on-demand reports about the cluster, such as device counts, license usage, dial plan summaries, and system health snapshots. It is designed for reporting and troubleshooting, not real-time monitoring or configuration. It pulls data from the CUCM database and presents it in downloadable formats like PDF or CSV.

Exam trap

CLCOR often tests the distinction between Unified Reporting (static reports), RTMT (real-time monitoring), and BAT (bulk configuration), causing candidates to confuse reporting with monitoring or configuration.

How to eliminate wrong answers

Option B is wrong because Cisco Unified Reporting does not monitor network bandwidth; bandwidth monitoring is handled by tools like Cisco Prime Collaboration or SNMP-based monitoring, not Unified Reporting. Option C is wrong because real-time call logs and active call monitoring are provided by Cisco Unified Real-Time Monitoring Tool (RTMT) and CDR Analysis and Reporting (CAR), not Unified Reporting. Option D is wrong because bulk configuration is performed using the Bulk Administration Tool (BAT), not Unified Reporting, which is read-only reporting.

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8
MCQhard

A Cisco Unified CM cluster is configured with a SIP trunk to a Cisco Unified Border Element (CUBE). Calls from the PSTN arrive at CUBE and are sent to CUCM. The ITSP requires that the From header contain the original calling number in E.164 format, but CUCM is sending it in a 10-digit national format. You need to ensure the From header is rewritten to include the +1 prefix. Which configuration on CUCM will accomplish this?

A.Modify the SIP Profile assigned to the trunk to enable 'Use Fully Qualified E.164 Number'.
B.Configure an Outbound Calling Party Transformation Pattern on the SIP trunk that prepends +1.
C.Create a Translation Pattern that matches the 10-digit number and adds the +1 prefix, then apply it to the trunk's inbound CSS.
D.Create a SIP Normalization Script that adds the +1 to the From header on the SIP trunk.
AnswerB

Outbound Calling Party Transformation Patterns are applied to the calling number before the SIP message is sent out the trunk. By creating a transformation pattern that matches the 10-digit number and prepends +1, CUCM will rewrite the calling number in the From header to E.164 format. This is the native, supported method for manipulating the calling party number on a SIP trunk.

Why this answer

The calling party number in the From header of an outbound SIP message can be manipulated using an Outbound Calling Party Transformation Pattern on the SIP trunk. This pattern matches the current calling number and can prepend +1, ensuring the ITSP receives the number in E.164 format. This approach is native to CUCM and does not require scripting.

Exam trap

The trap here is confusing translation patterns with transformation patterns; translation patterns affect dialed digits during call routing, while transformation patterns specifically manipulate calling and called numbers on trunk interfaces.

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9
MCQeasy

When configuring a Device Pool in CUCM, which parameter is responsible for defining the set of codecs used between devices in different regions?

A.Calling Search Space
B.Date/Time Group
C.Location
D.Region
AnswerD

The Region configuration defines which codec set is used for calls between devices in different regions, controlling the maximum audio codec bandwidth permitted across those regions. Device Pools reference a Region, so this parameter governs inter-region codec selection rather than the pool's own codec preference.

Why this answer

In Cisco Unified Communications Manager (CUCM), a Region defines the set of codecs used for calls between devices within that region and between different regions. Regions are used to manage bandwidth by specifying which codecs are allowed for intra-region and inter-region communication. The Region parameter directly controls the codec selection for calls between devices in different regions.

Exam trap

CLCOR often tests the distinction between Regions and Locations; candidates may confuse the two, thinking that Location defines codecs, when in fact Location defines bandwidth and Region defines codecs.

How to eliminate wrong answers

Option A is wrong because a Calling Search Space (CSS) is used for call routing and class of service, not codec selection. Option B is wrong because a Date/Time Group defines time zones and formats for devices, not codecs. Option C is wrong because a Location defines the bandwidth available for calls to and from a particular location, but it does not define the codecs; it works in conjunction with Regions to enforce bandwidth limits.

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10
MCQhard

A collaboration engineer is implementing a dial plan that requires all calls to emergency services (911) to be routed over a specific SIP trunk to a dedicated PSAP gateway, regardless of the calling device's location. Which CUCM configuration element should be used to ensure this routing?

A.A Route Pattern for 911 in a partition that is included in the calling search space of all devices, with the route pattern pointing to a route list containing only the PSAP gateway SIP trunk
B.A Route Pattern for 911 with the 'Route This Pattern' option and a 'Calling Search Space' that includes the PSAP partition
C.A dedicated Route Pattern for 911 that points to a Route List containing only the PSAP gateway SIP trunk
D.A Transformation Pattern that modifies the dialed number to a unique prefix and routes based on that prefix
AnswerA

This approach ensures that all devices can dial 911 because the partition containing the 911 route pattern is in every device's calling search space. The route pattern then directs the call to a route list that contains only the PSAP gateway SIP trunk, guaranteeing that emergency calls use that specific trunk. This is the standard best practice for emergency call routing in CUCM.

Why this answer

To ensure that all emergency calls route over a specific SIP trunk, the 911 route pattern must be placed in a partition that is included in the calling search space of every device. The route pattern should point to a route list that contains only the PSAP gateway SIP trunk. This guarantees that any device dialing 911 will match the pattern and be routed to the dedicated trunk.

The other options either do not guarantee universal access or misuse configuration elements.

Exam trap

The trap here is placing the calling search space on the route pattern instead of on the devices; the route pattern's CSS does not control which devices can use it.

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11
MCQeasy

Where do you configure the time zone for a specific set of devices, such as those in a specific branch office?

A.Region
B.Enterprise Parameters
C.Location
D.Date/Time Group
AnswerD

A Date/Time Group bundles a time zone, NTP servers and date/time settings, then is assigned to device pools. Devices in the branch office inherit that group, so their clocks reflect local time without per-device configuration.

Why this answer

The time zone for a specific set of devices, such as those in a branch office, is configured using a Date/Time Group in CUCM. A Date/Time Group defines the time zone and date/time format, and it is assigned to devices via device pools. This allows different groups of devices to have different time zones based on their location.

Exam trap

CLCOR often tests the confusion between Date/Time Group and other location-related settings like Region or Location, and candidates may incorrectly select Location for time zone configuration when it is actually used for bandwidth management.

How to eliminate wrong answers

Option A is wrong because a Region in CUCM is used to define codec selection between sites for bandwidth management, not time zone settings. Option B is wrong because Enterprise Parameters are cluster-wide settings that apply to all devices, not a specific set of devices. Option C is wrong because a Location in CUCM is used for call admission control and bandwidth allocation, not for time zone configuration.

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12
MCQhard

You are migrating to a new SIP provider. You have a requirement to use 'Early Offer' for all calls on this trunk. Where is this configured?

A.SIP Trunk Security Profile
B.Device Pool
C.Route List
D.SIP Profile
AnswerD

Early Offer behaviour for SIP signalling is controlled by the SIP Profile, where the header and offer settings are defined and then applied to the trunk. Configuring it there satisfies the requirement that all calls on the new provider trunk use Early Offer.

Why this answer

Early Offer for a SIP trunk is configured in the SIP Profile, which contains parameters such as 'Early Offer support for voice and video calls' and 'MTP Required'. The SIP Profile is assigned to the SIP trunk and controls whether CUCM sends an INVITE with SDP (Early Offer) or without SDP (Delayed Offer). This is the correct location for this setting.

Exam trap

CLCOR often tests the distinction between SIP Profile, SIP Trunk Security Profile, and Device Pool settings, and candidates pick the security profile or device pool when the question is about signaling behavior like Early Offer.

How to eliminate wrong answers

Option A is wrong because the SIP Trunk Security Profile controls security-related settings like authentication, encryption, and digest credentials, not offer/answer behavior. Option B is wrong because the Device Pool groups devices for common settings like region, date/time, and SRST reference, not SIP offer mode. Option C is wrong because the Route List defines the order of route groups for call routing, not SIP signaling behavior.

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13
MCQeasy

Which CUCM service must be activated in Serviceability to allow for the use of the 'Cisco Extension Mobility' feature?

A.Cisco Extension Mobility
B.Cisco DB Replicator
C.Cisco TFTP
D.Cisco CallManager
AnswerA

Activating the Cisco Extension Mobility service in Cisco Unified Serviceability enables the EM application on the node, allowing users to log in to shared phones and download their device profile. This directly satisfies the stem's requirement, since the feature cannot function until this specific service is running.

Why this answer

The 'Cisco Extension Mobility' service is a dedicated feature service in Cisco Unified Serviceability that must be activated on the Cisco Unified Communications Manager (CUCM) cluster. Activating this service enables the Extension Mobility feature, allowing users to log in to any phone and have their personal directory number, speed dials, and services applied. Without this service running, the Extension Mobility login and logout functions will not work, even if the feature is configured in CUCM Administration.

Exam trap

CLCOR often tests the distinction between core CUCM services (like Cisco CallManager and Cisco TFTP) and feature-specific services (like Cisco Extension Mobility), causing candidates to overlook that Extension Mobility requires its own dedicated service activation.

How to eliminate wrong answers

Option B is wrong because Cisco DB Replicator is responsible for replicating the database across cluster nodes and is not specific to Extension Mobility; it is a core service that should always be running. Option C is wrong because Cisco TFTP provides configuration files to phones and firmware updates, but it does not enable the Extension Mobility feature itself. Option D is wrong because Cisco CallManager is the core call processing service that handles call routing and signaling; while it is essential for overall telephony, it does not specifically enable Extension Mobility.

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14
MCQmedium

What is the primary function of a 'Location' object in CUCM?

A.To define the phone's time zone.
B.To define the phone's CSS.
C.To define the phone's codec.
D.To perform Call Admission Control (CAC).
AnswerD

A Location object groups devices with shared bandwidth characteristics, such as a branch site. CUCM uses these locations to perform Call Admission Control, limiting the number of concurrent calls across a WAN link so voice quality is preserved.

Why this answer

The primary function of a Location object in CUCM is to perform Call Admission Control (CAC), which limits the number of simultaneous calls (audio/video bandwidth) between locations to prevent oversubscription of WAN links. Locations define the available bandwidth and track usage for calls between them. Other settings like time zone, CSS, and codec are handled by other objects.

Exam trap

CLCOR often tests the confusion between Location (CAC/bandwidth) and Region (codec selection) — candidates mix up which object controls bandwidth versus codec.

How to eliminate wrong answers

Option A is wrong because time zone is defined by the Date/Time Group assigned via the Device Pool, not by Location. Option B is wrong because the Calling Search Space is assigned directly to the device or line, not through Location. Option C is wrong because codec selection is determined by Regions (and the device's region setting in the Device Pool), not by Location.

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15
MCQmedium

You have a requirement to play a custom announcement when a call is placed on hold. Where do you configure this?

A.Device Pool configuration.
B.Music on Hold Audio Source.
C.Route Group configuration.
D.SIP Profile.
AnswerB

Uploading the custom audio file as a Music on Hold Audio Source lets Cisco Unified Communications Manager stream it to the held party, satisfying the requirement to play a bespoke announcement rather than the default tone.

Why this answer

Music on Hold (MOH) audio sources are configured under the Music On Hold Audio Source configuration in CUCM, where you define the audio file (e.g., a custom .wav or .au) and its parameters. This audio source is then referenced by a Music On Hold Server and assigned to device pools or other entities. To play a custom announcement on hold, you create a custom audio source and assign it appropriately.

Exam trap

CLCOR often tests the MOH hierarchy, and candidates mistakenly choose Device Pool or SIP Profile, not realizing the actual audio file is defined in the Music On Hold Audio Source.

How to eliminate wrong answers

Option A is wrong because the Device Pool configuration does not define audio files; it references a Music On Hold Server, which in turn references audio sources, but the custom announcement itself is defined in the MOH Audio Source. Option C is wrong because a Route Group is a list of gateways for call routing and has nothing to do with hold audio. Option D is wrong because a SIP Profile contains SIP signaling parameters (timers, headers) and does not define hold music or announcements.

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16
MCQeasy

Which file does an IP phone download first to obtain its configuration from the TFTP server?

A.Dialplan.xml
B.SEP[MAC].cnf.xml
C.Ringlist.xml
D.CTLFile.tlv
AnswerB

The phone first retrieves its device-specific SEP[MAC].cnf.xml, which contains its directory number, firmware load and cluster settings. This file satisfies the stem's requirement for the initial configuration download, since the default XML file is only fetched later as a fallback when no MAC-specific file exists.

Why this answer

An IP phone booting on a CUCM network first obtains its network parameters via DHCP, then contacts the TFTP server and downloads its device-specific configuration file named SEP[MAC].cnf.xml, where [MAC] is the phone's MAC address in uppercase hex. This file contains the phone's DN, cluster TFTP addresses, and other settings. It is the primary per-device configuration file and is downloaded before any shared files like dialplan.xml or ringlist.xml.

Exam trap

CLCOR often tests the boot order, and candidates mistakenly choose shared files like dialplan.xml or CTLFile.tlv as the first download, when the device-specific SEP[MAC].cnf.xml is always first.

How to eliminate wrong answers

Option A is wrong because Dialplan.xml is a shared file containing dial plan digit analysis rules; it is downloaded after the device-specific SEP file and is not the first configuration file. Option C is wrong because Ringlist.xml is a shared file listing available ring tones, downloaded later and not device-specific. Option D is wrong because CTLFile.tlv is the Certificate Trust List file used for secure signaling (ITL/CTL), downloaded as part of the secure boot process but not the first configuration file the phone retrieves.

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17
MCQhard

A Cisco Unified CM administrator is troubleshooting a call that fails with a 'No Route to Destination' cause code. The called number is 2001, which is an internal extension on a remote cluster. The local cluster has a SIP trunk to the remote cluster and a route pattern of 2XXX pointing to that trunk. The SIP trunk is up, but the call fails. What is the most likely cause?

A.The remote cluster is not configured with a route pattern for the local cluster, so the call is rejected.
B.The SIP trunk is not configured with a calling search space that includes the partition of the route pattern.
C.The route pattern is not assigned to a partition that is included in the calling search space of the dialing device.
D.The SIP trunk is not registered to the remote cluster, so the call cannot be routed.
AnswerC

For a call to match a route pattern, the pattern must be in a partition that is included in the calling search space of the originating device. If the partition is not in the CSS, the pattern is not considered during digit analysis, resulting in 'No Route to Destination'. This is a common oversight in dial plan configuration.

Why this answer

The most likely cause is that the route pattern 2XXX is in a partition that is not included in the calling search space of the dialing device. Without the partition in the CSS, Unified CM cannot match the pattern, resulting in 'No Route to Destination'. Verifying the device's CSS and partition assignments resolves this issue.

Exam trap

The trap here is focusing on the SIP trunk's configuration or remote cluster settings, when the failure is actually due to the local device's calling search space not including the route pattern's partition.

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18
MCQeasy

Where do you define the default dial plan for a new CUCM cluster?

A.System > Dial Plan Configuration
B.Service Parameters
C.You create partitions, CSS, and route patterns manually.
D.Enterprise Parameters
AnswerC

Cisco Unified Communications Manager ships no preconfigured dial plan; administrators must manually create partitions, calling search spaces and route patterns to define dialling behaviour. This manual construction is precisely how the cluster's default dial plan is established during initial configuration.

Why this answer

In Cisco Unified Communications Manager (CUCM), there is no single 'default dial plan' configuration page. A dial plan is built from three core components: partitions (which group route patterns), calling search spaces (CSS) (which define the order of partitions a device can search), and route patterns (which match dialed digits and determine the next hop). These must be manually created and configured by the administrator.

CUCM does not ship with a pre-built default dial plan, so option C correctly describes the required manual process.

Exam trap

CLCOR often tests the misconception that CUCM includes a pre-configured default dial plan or that dial plan settings are found under a single menu like 'System > Dial Plan Configuration', when in fact all dial plan elements must be manually created under 'Call Routing'.

How to eliminate wrong answers

Option A is wrong because 'System > Dial Plan Configuration' does not exist in CUCM; the actual menu path for dial plan components is 'Call Routing', not a single 'Dial Plan Configuration' page. Option B is wrong because Service Parameters control cluster-wide service settings (e.g., timers, thresholds, trace levels) for individual services, not dial plan definitions. Option D is wrong because Enterprise Parameters define cluster-wide settings such as auto-registration ranges, phone URL authentication, and corporate directory URLs, but they do not define dial plans.

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19
MCQmedium

Which service must be active for CTI applications (like Cisco Finesse) to control phones?

A.Cisco CallManager
B.Cisco CTIManager
C.Cisco TFTP
D.Cisco Database Layer Monitor
AnswerB

Cisco CTIManager provides the computer telephony integration interface that Finesse and other CTI applications use to monitor and control devices. Without this service active, CTI clients cannot issue phone control commands, so it must be running for Finesse to operate.

Why this answer

Cisco CTIManager is the service that provides the Computer Telephony Integration (CTI) interface, allowing applications like Cisco Finesse, Jabber, and third-party CTI apps to monitor and control phones and lines. Without CTIManager active, CTI applications cannot control devices.

Exam trap

CLCOR often tests which service enables CTI control — candidates pick Cisco CallManager because it handles calls, but CTIManager is the specific CTI interface service.

How to eliminate wrong answers

Option A is wrong because Cisco CallManager handles core call processing and signaling, not the CTI interface used by applications. Option C is wrong because Cisco TFTP provides configuration files and firmware to phones, not CTI control. Option D is wrong because Cisco Database Layer Monitor monitors the CUCM database replication and health, not CTI.

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20
MCQeasy

A user dials a number that matches a route pattern configured with the 'Urgent Priority' check box selected. What is the effect of this setting on the dialing behavior?

A.The call is placed immediately without waiting for the interdigit timeout.
B.The call is blocked if the destination is busy.
C.The call is queued until a gateway becomes available.
D.The route pattern is placed at the top of the dial plan for all users.
AnswerA

When Urgent Priority is enabled on a route pattern, CUCM routes the call as soon as the dialed digits match the pattern, bypassing the interdigit timeout. This is useful for patterns that overlap with others, ensuring immediate routing. In this scenario, the user's dialed number matches the urgent pattern, so the call proceeds without delay, which is the intended behavior of this setting.

Why this answer

The Urgent Priority setting on a route pattern instructs CUCM to route the call immediately when the dialed digits match the pattern, without waiting for the interdigit timeout. This is particularly useful when patterns overlap, such as a pattern for 911 and another for 9.1.1, ensuring emergency calls are placed without delay. It does not affect queuing, pattern order, or busy handling.

Exam trap

The trap here is thinking that Urgent Priority changes the order of route patterns or blocks calls, when it actually only affects the timing of digit analysis after a match.

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21
MCQhard

A branch office has a limited bandwidth link. You need to ensure that no more than 5 calls can be made across the WAN at once. What should you configure?

A.Define a Location and set the Audio Bandwidth limit.
B.Modify the Region setting.
C.Create a CSS to block calls.
D.Configure a Route Filter.
AnswerA

Cisco Unified Communications Manager applies the Location's Audio Bandwidth limit to cap concurrent calls across the WAN, since each call consumes a fixed bandwidth increment. Setting the limit to the value matching five calls enforces the constraint on the constrained branch link.

Why this answer

CUCM Locations implement Call Admission Control (CAC) by defining the total audio/video bandwidth available between locations. Setting the Audio Bandwidth limit on a Location (e.g., to a value that supports only 5 G.711 calls, roughly 400 kbps plus overhead) ensures CUCM denies the 6th call across the WAN. Locations are assigned to devices via Device Pools, and the bandwidth between any two locations is calculated based on the configured limits.

Exam trap

CLCOR often tests the confusion between Regions (codec policy) and Locations (bandwidth/CAC), so candidates who pick Region for a call-count limit miss that only Locations enforce admission control.

How to eliminate wrong answers

Option B is wrong because Regions define which codecs are allowed between locations (e.g., G.729 between branch and HQ) but do not enforce a call-count or bandwidth limit. Option C is wrong because a Calling Search Space controls dialing permissions, not bandwidth or call admission — it cannot limit the number of concurrent calls. Option D is wrong because a Route Filter is a dial-plan object that filters route patterns based on dialed digits, time of day, or calling party, not a bandwidth or call-count mechanism.

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22
MCQmedium

A Cisco Unified Communications Manager cluster is using a SIP trunk to an ITSP. The ITSP sends calls to the enterprise with a +1 prefix, but the enterprise dial plan uses 10-digit numbers without the country code. You need to strip the +1 from the incoming calling and called numbers before they are presented to the dial plan. Where should you configure this translation?

A.Create a Translation Pattern in the Calling Search Space applied to the SIP trunk's incoming calls.
B.Modify the Route Group's distribution algorithm to remove the prefix during digit analysis.
C.Configure Called Party Transformation and Calling Party Transformation patterns on the SIP trunk and assign them to the trunk's inbound settings.
D.Create a SIP Normalization Script that rewrites the SIP INVITE headers on the trunk.
AnswerC

Called Party Transformation and Calling Party Transformation patterns are designed to manipulate incoming and outgoing numbers on a SIP trunk. By creating patterns that strip the leading +1 and applying them to the trunk's inbound transformation settings, the cluster modifies the numbers before they hit the dial plan. This is the native, granular method for per-trunk digit manipulation in CUCM.

Why this answer

Incoming calls from a SIP trunk can be modified using Calling Party Transformation and Called Party Transformation patterns, which are applied to the trunk's inbound settings. These patterns strip the +1 prefix before the numbers are processed by the dial plan, ensuring the 10-digit format is used. This approach is native to CUCM and keeps digit manipulation scoped to the specific trunk.

Exam trap

The trap here is assuming that a Translation Pattern is the only way to manipulate incoming digits, when trunk-level transformation patterns are the more precise and intended mechanism for SIP trunk inbound calls.

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23
MCQhard

A user reports that their calls are failing when they roam to a different physical office site. You observe that the device is registered to the primary CUCM cluster but the Location-based CAC is blocking the call. What is the most likely cause?

A.The device is not assigned to a Device Pool with the correct Location configured for the new site.
B.The Region setting in the Device Pool has a lower bitrate than the required codec.
C.The device must be re-registered to a local subscriber instead of the primary cluster.
D.The Calling Search Space is not configured to allow inter-site dialing.
AnswerA

Location-based CAC derives its bandwidth budget from the Location configured on the device pool. If the roaming device keeps its original site's device pool, CUCM applies the wrong Location's limits, blocking the call. Assigning a device pool with the new site's Location corrects the calculation.

Why this answer

Location-based Call Admission Control (CAC) in Cisco Unified Communications Manager (CUCM) uses the Location configured in the Device Pool to determine available bandwidth between sites. If a device roams to a different physical site but remains in a Device Pool with the original Location, the CAC will incorrectly calculate bandwidth as if the device is still at the original site, potentially blocking calls due to insufficient bandwidth. The most likely cause is that the device is not assigned to a Device Pool with the correct Location for the new site.

Exam trap

CLCOR often tests the confusion between Location-based CAC and Region settings, or the assumption that re-registration affects CAC. The trap is overlooking that Location is tied to the Device Pool, not the registration server.

How to eliminate wrong answers

Option B is wrong because the Region setting defines the codec policy between locations, not the bandwidth available; a lower bitrate in the Region would affect codec selection but not directly cause CAC to block the call. Option C is wrong because re-registering to a local subscriber does not affect Location-based CAC; CAC is based on the Location configuration, not the registration server. Option D is wrong because the Calling Search Space (CSS) controls dialing privileges, not bandwidth allocation; a CSS issue would result in call routing failures, not CAC blocking.

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24
MCQmedium

Which component in the CUCM dial plan allows you to match a pattern and simultaneously transform it into a new number before the final route lookup?

A.Route Pattern
B.Partition
C.Translation Pattern
D.Route Group
AnswerC

A translation pattern matches the dialled digit string and applies digit manipulation, such as discarding or prefixing digits, before the resulting number undergoes further route lookup. This satisfies the simultaneous match-and-transform requirement, unlike route patterns, which match and route without altering the called number.

Why this answer

A Translation Pattern in CUCM matches a dialed pattern and transforms it into a new number before the final route lookup. It can add, remove, or replace digits and then apply a CSS to route the translated number. This is used for dial plan normalization, such as converting a 4-digit extension to an E.164 number or implementing global dialing.

Exam trap

CLCOR often tests the difference between Translation Patterns (transform before routing) and Route Patterns (route without transformation), so candidates may pick Route Pattern when the question mentions transformation.

How to eliminate wrong answers

Option A is wrong because a Route Pattern matches a pattern and routes the call to a gateway or trunk, but it does not transform the number before routing (though it can discard digits, it doesn't rewrite the called number for further lookup). Option B is wrong because a Partition is a logical grouping of dialable numbers used with CSS for access control, not for number transformation. Option D is wrong because a Route Group is a list of gateways for outbound routing, not a transformation mechanism.

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25
MCQmedium

Which feature allows you to group multiple gateways and route lists to provide load balancing and failover for outbound calls?

A.Route Pattern
B.Translation Pattern
C.Route List
D.Device Pool
AnswerC

A Route List groups route groups and gateways, and distributes outbound calls across them using a routing algorithm, providing both load balancing and failover. This satisfies the stem's requirement to group gateways and route lists for resilient outbound call routing.

Why this answer

A Route List is the CUCM object that groups one or more Route Groups (each containing gateways/trunks) in a prioritized order, providing both load balancing across members and failover to the next member if the first is unavailable. Route Lists are then referenced by Route Patterns to determine which gateways handle outbound calls. This makes them the correct answer for grouping gateways for outbound redundancy.

Exam trap

CLCOR often tests the confusion between Route Pattern (digit matching) and Route List (gateway grouping/failover) — candidates pick Route Pattern because it 'routes' calls, but it does not provide load balancing or failover.

How to eliminate wrong answers

Option A is wrong because a Route Pattern only matches dialed digits and points to a Route List, Route Group, gateway, or trunk — it does not itself group gateways for load balancing. Option B is wrong because a Translation Pattern rewrites dialed digits (number manipulation) and has no role in gateway selection or failover. Option D is wrong because a Device Pool groups devices for common settings like region, date/time group, and SRST reference, not for outbound gateway selection.

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26
MCQmedium

You are troubleshooting a scenario where internal calls between two offices are using the G.711 codec, but you want them to use G.729 to save bandwidth. Where should you change the codec setting?

A.Device > Device Settings > Common Device Configuration
B.System > Region Information > Region
C.System > Device Pool
D.System > Location
AnswerB

System > Region Information > Region sets the codec for calls within a region, which matches the inter-office internal call constraint. Regions define bandwidth management and codec policy per site, so assigning both offices to one region and selecting G.729 there forces internal calls to negotiate G.729 instead of G.711.

Why this answer

In Cisco Unified Communications Manager, codec selection for calls between locations is controlled by regions. Regions define the codec used for calls between devices in different regions. To change the codec between two offices, you modify the region settings (System > Region Information > Region) and set the appropriate codec (e.g., G.729) for the region pair.

Exam trap

CLCOR often tests the confusion between Region (codec selection) and Location (call admission control) — candidates incorrectly pick Location to change codec.

How to eliminate wrong answers

Option A is wrong because Common Device Configuration is used for device-level settings like softkey templates, not codec selection. Option C is wrong because Device Pool is used to group devices with common settings like date/time, region, and location, but the codec itself is defined in the region. Option D is wrong because Location is used for call admission control and bandwidth management, not for selecting the codec.

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27
MCQhard

What is the primary difference between a 'Route Pattern' and a 'Translation Pattern'?

A.Translation patterns route calls; route patterns modify numbers.
B.There is no functional difference.
C.Route patterns route calls; translation patterns modify numbers.
D.Route patterns are for internal calls; translation patterns are for external.
AnswerC

Route patterns select the path and destination for an outbound call, whereas translation patterns rewrite the dialled digits before further processing. That axis of difference — routing versus digit manipulation — is precisely what the question asks you to distinguish.

Why this answer

Route patterns are the dial plan elements that actually route calls to a destination (gateway, trunk, or another DN) by matching the dialed digits and applying a route list/route group. Translation patterns, by contrast, do not route calls on their own — they transform the dialed digits (via discard/prefix digits, calling/called party transformations) and then hand the call back to the dial plan for further matching. This separation lets administrators normalize numbers before routing decisions are made.

Exam trap

CLCOR often tests the misconception that translation patterns can route calls on their own, when in fact they only transform digits and must hand off to a route pattern or DN for actual routing.

How to eliminate wrong answers

Option A is wrong because it reverses the roles — translation patterns modify digits, not route them, and route patterns route rather than modify. Option B is wrong because the two pattern types serve distinct functions in CUCM dial plan processing; they are not interchangeable. Option D is wrong because both pattern types can apply to internal and external calls; the distinction is functional (routing vs. digit manipulation), not internal vs. external scope.

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28
MCQeasy

In CUCM, what is the purpose of the 'Calling Search Space' (CSS)?

A.To define the codec used for calls.
B.To define which partitions a device can access.
C.To define the physical location of the device.
D.To define the bandwidth limit of a call.
AnswerB

A Calling Search Space is an ordered list of partitions that a device or line may search when placing a call, determining which dialled numbers it can reach. This satisfies the constraint by controlling partition access, which combined with partition membership enforces call-routing permissions in CUCM.

Why this answer

A Calling Search Space is an ordered list of partitions that a device or line is allowed to search when matching dialed digits. It effectively defines the class of service for that device by determining which route patterns, translation patterns, and directory numbers it can reach. Without a CSS, a device has no partitions to search and cannot complete any calls beyond its own registered DN.

Exam trap

CLCOR often tests the confusion between CSS (which partitions a device can search) and Partitions (which dialable objects exist), causing candidates to pick answers about codecs, locations, or bandwidth instead of dial-plan access.

How to eliminate wrong answers

Option A is wrong because codec selection is controlled by regions, device pools, and the negotiated codec list on the SIP profile or phone configuration, not by the CSS. Option C is wrong because physical location is represented by the Location and Device Pool configuration, which drive CAC bandwidth calculations, not by the CSS. Option D is wrong because bandwidth limits per call are enforced by regions and locations (and their associated links), not by the CSS.

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29
MCQhard

You are implementing a centralized dial plan. You have multiple sites, each with local PSTN gateways. How can you ensure that an emergency call from a specific site is always routed to the local PSTN gateway of that site?

A.Use Transformation Masks on the device.
B.Configure the location in the device pool to match the site.
C.Create a separate CUCM cluster for each site.
D.Use site-specific partitions and assign the local gateway to a CSS that includes that partition.
AnswerD

Site-specific partitions isolate each site's emergency number, and assigning only that site's local gateway to the CSS forces calls in that partition out through the local PSTN gateway. This guarantees the emergency call reaches the correct local emergency services rather than a remote gateway.

Why this answer

Emergency calls (911/999/112) must always egress through the PSTN gateway physically closest to the caller so that the correct Public Safety Answering Point (PSAP) is reached. The reliable way to enforce this in a centralized dial plan is to place each site's local gateway in a site-specific partition, then assign each site's devices a Calling Search Space (CSS) that includes only that site's partition. This guarantees that when a device dials the emergency number, the matching route pattern in the local partition is the one that gets used.

Exam trap

CLCOR often tests whether candidates confuse Location (used for CAC and E911 ELIN) with partitions/CSS (used for actual gateway selection), causing them to pick the Device Pool location answer.

How to eliminate wrong answers

Option A is wrong because Transformation Masks only rewrite the calling or called number digits — they do not influence which gateway or route pattern is selected for call routing. Option B is wrong because the Location in a Device Pool is used for call admission control (bandwidth management) and for E911/ELIN location information, not for selecting which PSTN gateway a call egresses through. Option C is wrong because deploying a separate CUCM cluster per site is an unnecessarily complex and costly design; a centralized cluster with partitions and CSSs achieves the same routing outcome far more simply.

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30
MCQeasy

A user reports that when they dial an internal extension, they hear a fast busy tone. The administrator checks the dialed number and confirms it exists in the CUCM database. Which configuration element should the administrator verify first to resolve the fast busy tone?

A.The device pool assigned to the called device
B.The media resource group list assigned to the calling device
C.The partition and calling search space of the calling device
D.The location configuration for both devices
AnswerC

A fast busy tone typically indicates that CUCM cannot find a matching route pattern or directory number in the calling device's calling search space. Even if the number exists, if the calling device's CSS does not include the partition containing that number, the call will be blocked. Verifying the CSS and partition assignment is the first troubleshooting step for internal call failures.

Why this answer

A fast busy tone on an internal call usually means CUCM cannot route the call because the dialed number is not in a partition that the calling device's calling search space can access. Even if the directory number exists, it must be in a partition listed in the calling device's CSS. The other options relate to device settings, locations, or media resources, which do not prevent dialing an internal number.

Therefore, checking the CSS and partition is the correct first step.

Exam trap

The trap here is assuming that if the number exists, the call will always route; CUCM enforces partition/CSS permissions even for internal numbers.

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31
MCQmedium

When a call is made to a destination that matches multiple partitions in a user's CSS, how does CUCM determine which pattern to use?

A.The pattern configured first.
B.Random selection.
C.Longest match rule.
D.The pattern with the lowest partition index.
AnswerC

When several partitions in the calling user's CSS match the dialled digits, CUCM selects the pattern with the most specific (longest) match, so the longest-match rule resolves the ambiguity and determines which partition's pattern is used.

Why this answer

Cisco Unified Communications Manager (CUCM) uses the longest match rule when a dialed number matches multiple patterns across the partitions in a calling search space (CSS). The system evaluates all patterns in the CSS partitions and selects the one with the most specific (longest) match to the dialed digits. This ensures that more specific dial plans take precedence over generic ones, which is critical for correct call routing.

Exam trap

CLCOR often tests the misconception that CUCM uses the order of partitions in the CSS or the order of pattern configuration to determine which pattern to use, when in fact the longest match rule takes precedence.

How to eliminate wrong answers

Option A is wrong because CUCM does not prioritize based on configuration order; it uses digit length and specificity. Option B is wrong because CUCM's route selection is deterministic, not random; it follows a defined algorithm. Option D is wrong because partition index (order in CSS) is not used to break ties; the longest match rule is applied first, and if multiple patterns have the same length, then the order of partitions in the CSS may be considered, but the primary criterion is longest match.

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32
MCQhard

A user reports that they cannot hold an active call when the Media Resource Group List (MRGL) is configured with a specific Transcoder. The CUCM trace shows 'Allocation Failure'. What is the most likely cause?

A.The CUCM version does not support hardware transcoders.
B.The Transcoder device is registered but the MRGL priority is set to 0.
C.The MRG associated with the MRGL lacks the required Transcoder resource for the codec mismatch.
D.The device is using G.711 which requires a transcoder by default.
AnswerC

The MRGL points to an MRG whose members lack a transcoder capable of bridging the codec mismatch, so CUCM cannot allocate the media resource and logs 'Allocation Failure'. Adding a transcoder to that MRG, or referencing an MRG that contains one, resolves the failed allocation.

Why this answer

The 'Allocation Failure' in CUCM traces during a hold operation with a transcoder in the MRGL indicates that CUCM could not find a usable transcoder resource to satisfy the media requirement. The most likely cause is that the Media Resource Group (MRG) referenced by the MRGL does not actually contain the transcoder needed for the codec mismatch, so the resource lookup fails and the hold (which may require renegotiation or MTP/transcoding) cannot complete.

Exam trap

CLCOR often tests the MRGL/MRG containment hierarchy, tricking candidates into blaming CUCM version support or MRGL priority values when the real issue is that the required resource type is simply absent from the MRG.

How to eliminate wrong answers

Option A is wrong because CUCM has supported hardware transcoders (e.g., PVDM-based DSP farms and IOS-based transcoders) for many versions; version support is not the likely cause of an allocation failure. Option B is wrong because MRGL priority is not set to '0' as a disabling mechanism — resources are ordered by MRG priority, and a priority value does not zero out a device; the failure is about resource availability, not priority numbering. Option D is wrong because G.711 is the baseline codec that does not require transcoding by default; transcoding is needed when endpoints negotiate different codecs (e.g., G.711 to G.729), so this premise is factually incorrect.

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33
MCQeasy

What is the function of a 'Device Pool' in CUCM?

A.To define user permissions.
B.To group shared settings for devices.
C.To manage media resources.
D.To control call routing.
AnswerB

A Device Pool groups common settings — region, date/time group, softkey template, SRST reference and CallManager group — so these are assigned once rather than per device. This satisfies the stem's requirement by defining the function: bundling shared configuration for phones, gateways and trunks within CUCM.

Why this answer

A Device Pool in CUCM groups devices that share common settings such as region, date/time group, softkey template, SRST reference, and media resource group list. It simplifies bulk configuration by allowing administrators to apply these settings to many phones at once rather than per-device.

Exam trap

The trap here is confusing Device Pool with other grouping constructs like Line Groups, Pickup Groups, or Route Groups, which serve entirely different purposes in CUCM.

How to eliminate wrong answers

Option A is wrong because user permissions are controlled by roles and access control groups (e.g., Standard CCM Admin Users), not Device Pools. Option C is wrong because media resources (conference bridges, MTPs, transcoders) are managed via Media Resource Groups and Media Resource Group Lists, which are referenced by Device Pools but not defined by them. Option D is wrong because call routing is governed by route patterns, route lists, route groups, translation patterns, and partitions/CSS, not Device Pools.

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34
Multi-Selecteasy

Which THREE types of media resources can be managed by an MRGL?

Select 3 answers
A.Cisco Unity Connection.
B.Transcoder
C.SIP Trunk.
D.Conference Bridge
E.Music on Hold (MoH) Server
AnswersB, D, E

A transcoder converts between codecs, such as G.711 and G.729, so endpoints lacking a common codec can still communicate. Including transcoders in an MRGL satisfies the stem by letting Cisco Unified Communications Manager allocate hardware transcoding resources to devices in the listed region.

Why this answer

A Media Resource Group List (MRGL) in Cisco Unified Communications Manager is used to prioritize and group media resources, and the three media resource types it can manage are transcoders (B), conference bridges (D), and Music on Hold (MoH) servers (E). Transcoder (B) is correct because MRGLs assign transcoders to devices for codec conversion between different codecs (e.g., G.711 and G.729). Conference Bridge (D) is correct because MRGLs control which conference bridge resources are used for ad hoc and Meet-Me conferences.

Music on Hold (MoH) Server (E) is correct because MRGLs determine which MoH server(s) provide audio streams to callers on hold. Cisco Unity Connection (A) is a voicemail system, not a media resource managed by MRGLs, and SIP Trunk (C) is a signaling/transport interface, not a media resource type in an MRGL.

Exam trap

CLCOR often tests the specific resource types that can be included in an MRGL, and candidates may mistakenly include voicemail or SIP trunks, which are not media resources managed by MRGL.

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35
Multi-Selecthard

Which THREE of the following tasks are required to set up a basic SIP trunk in CUCM?

Select 3 answers
A.Create a Route Filter
B.Create a SIP Trunk Security Profile
C.Create a SIP Profile
D.Create a Translation Pattern
E.Create a SIP Trunk
AnswersB, C, E

A SIP Trunk Security Profile defines the transport and authentication parameters the trunk uses, such as TLS or TCP and digest credentials. CUCM requires one to be assigned when configuring the SIP trunk, satisfying the stem's requirement for a security profile as part of basic SIP trunk setup.

Why this answer

To set up a basic SIP trunk in CUCM, you must create a SIP Trunk Security Profile (option B), which defines the security settings such as device authentication mode, incoming/outgoing transport (TCP/UDP/TLS), and digest authentication for the trunk. You must also create a SIP Profile (option C), which defines SIP timers, normalization scripts, and header handling behavior applied to the trunk. Finally, you must create the SIP Trunk itself (option E), which binds the trunk to a device pool, calling search space, and associates the SIP Trunk Security Profile and SIP Profile.

A Route Filter (option A) is used with route lists and route groups for digit manipulation and is not mandatory for a basic SIP trunk, and a Translation Pattern (option D) is used for number translation and is likewise not required for basic SIP trunk setup.

Exam trap

CLCOR often tests whether candidates over-select optional dial-plan objects (Route Filters, Translation Patterns) as required for SIP trunk setup, when only the security profile, SIP profile, and trunk itself are mandatory.

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36
MCQeasy

A user reports that when they dial an internal extension, they hear a fast busy tone. The administrator checks the CUCM configuration and finds that the user's phone is registered and the dialed extension exists. Which CUCM component is responsible for determining that the dialed digits are a valid internal extension and routing the call?

A.Cisco CTIManager service
B.Cisco TFTP service
C.Cisco IP Voice Media Streaming App service
D.CallManager service
AnswerD

The Cisco CallManager service performs digit analysis and call routing. It matches dialed digits against configured route patterns, translation patterns, and directory numbers. A fast busy tone often indicates that digit analysis failed to find a matching pattern or that the call was rejected. The CallManager service is the core call control engine responsible for this decision.

Why this answer

The Cisco CallManager service is the call control application that performs digit analysis and determines how to route calls. When a user dials an extension, the CallManager service checks for matching patterns and directory numbers. If no match is found or the call is rejected, the user hears a fast busy tone.

Thus, the CallManager service is the correct component.

Exam trap

The trap here is confusing call control services with media or configuration services, leading to checking TFTP or CTIManager instead of the CallManager service for routing failures.

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37
MCQmedium

If a Translation Pattern is configured in CUCM, at what stage of the call processing does the digit manipulation occur?

A.After the call is sent to the gateway.
B.At the device level during registration.
C.Only when the call fails to route.
D.Before the Route Pattern is matched.
AnswerD

CUCM applies Translation Pattern digit manipulation during digit analysis, before the transformed digits are matched against a Route Pattern. This ordering lets the translation rewrite the called number so the subsequent route lookup uses the altered digits.

Why this answer

Translation patterns in CUCM perform digit manipulation before the Route Pattern is matched. This allows the translation pattern to modify the dialed digits so that they match the appropriate route pattern, enabling correct routing. The manipulation occurs during the digit analysis phase, prior to route selection.

Exam trap

CLCOR often tests the stage at which translation patterns apply, with candidates mistakenly thinking they occur after route pattern matching or only on failure, when they actually occur before route pattern matching.

How to eliminate wrong answers

Option A is wrong because digit manipulation occurs before the call is sent to the gateway, not after; the gateway receives the already-translated digits. Option B is wrong because translation patterns are not applied at device registration; they are applied during call routing. Option C is wrong because translation patterns are applied regardless of whether the call fails to route; they are part of the normal call processing to ensure proper routing.

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38
MCQhard

An administrator needs to restrict a group of phones from making long-distance calls. Which component of the CUCM dial plan should be modified to achieve this while maintaining internal dialing?

A.SIP Trunk
B.Calling Search Space
C.Region
D.Device Pool
AnswerB

Calling search spaces control which partitions a phone may reach, so assigning a restricted CSS blocks long-distance patterns while internal dialling remains available through the partitions it still permits. This satisfies the stem's constraint of preserving internal calls.

Why this answer

The Calling Search Space (CSS) is the CUCM dial plan component that defines which partitions a device or line can access. By assigning a CSS that excludes the long-distance partition (while including internal partitions), the administrator restricts long-distance calls while preserving internal dialing. This is the standard method for class of service restrictions.

Exam trap

CLCOR often tests the confusion between CSS (call permissions/partitions) and Device Pool (device settings) — candidates pick Device Pool because it groups phones, but it does not control dialing permissions.

How to eliminate wrong answers

Option A is wrong because a SIP Trunk is a network connection to an external system, not a dial plan restriction mechanism. Option C is wrong because a Region controls codec selection between locations, not call permissions. Option D is wrong because a Device Pool groups devices for settings like region, date/time, and SRST, but does not itself control dialing permissions.

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39
MCQmedium

Which tool can be used to perform a bulk import of users and devices into CUCM?

A.Cisco Unified Reporting
B.Bulk Administration Tool (BAT)
C.Dialed Number Analyzer
D.Cisco Prime Collaboration
AnswerB

Bulk Administration Tool inserts users and devices into CUCM via CSV-based batched jobs, handling large volumes that manual entry cannot. It directly satisfies the stem's bulk import constraint, unlike the GUI's one-at-a-time provisioning or AXL scripting.

Why this answer

The Bulk Administration Tool (BAT) is specifically designed for bulk operations in Cisco Unified Communications Manager (CUCM), including importing users and devices. It allows administrators to add, update, or delete large numbers of records using CSV files, and it validates the data before insertion. BAT is the only tool among the options that provides this bulk import capability natively within CUCM.

Exam trap

CLCOR often tests the distinction between tools for bulk provisioning versus reporting or troubleshooting, so candidates might confuse Cisco Prime Collaboration's broader management capabilities with CUCM's native BAT for bulk import.

How to eliminate wrong answers

Option A is wrong because Cisco Unified Reporting is used to generate and view reports on CUCM system data, not to import users or devices. Option C is wrong because Dialed Number Analyzer is a troubleshooting tool that simulates call routing to test dial plans, not for bulk provisioning. Option D is wrong because Cisco Prime Collaboration is a separate management application for unified communications that can provide provisioning and monitoring across multiple systems, but it is not the native CUCM tool for bulk import; the question specifically asks for a tool to perform bulk import into CUCM, which is BAT.

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40
MCQeasy

Which menu path in CUCM Administration is used to configure the 'Cisco Unified Communications Manager Group'?

A.Serviceability -> CM Group
B.System -> Cisco Unified Communications Manager Group
C.Device -> Device Settings -> CM Group
D.Advanced Features -> CM Group
AnswerB

CUCM Administration groups all cluster-level service and node settings under the System menu, so the Cisco Unified Communications Manager Group list, which defines ordered call-processing redundancy, is reached via System -> Cisco Unified Communications Manager Group.

Why this answer

The Cisco Unified Communications Manager Group is configured under System -> Cisco Unified Communications Manager Group in CUCM Administration. This menu path is where you define ordered lists of CUCM servers (groups) that devices use for call processing redundancy. The group is then assigned to device pools, which are applied to endpoints.

The other menu paths do not contain this configuration option.

Exam trap

CLCOR often tests the exact menu path for configuring CM Groups, and candidates may confuse it with device pool configuration or serviceability menus.

How to eliminate wrong answers

Option A is wrong because Serviceability is used for monitoring and troubleshooting tools like traces, logs, and service activation, not for configuring CM Groups. Option C is wrong because Device -> Device Settings contains items like device pools, phone button templates, and softkey templates, but not CM Groups. Option D is wrong because Advanced Features includes items like presence, QoS, and SIP normalization, not CM Groups.

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41
MCQhard

You are troubleshooting a one-way audio issue. The phone can register, but no audio is heard. What should you check first?

A.The phone's directory number.
B.The CSS of the device.
C.The phone's firmware version.
D.Network ACLs and port accessibility for RTP.
AnswerD

Signalling succeeded, so registration and SIP are working; one-way audio points to RTP being blocked in one direction. ACLs and firewall rules filtering the RTP port range, or asymmetric routing, prevent media delivery even though call setup completes.

Why this answer

One-way audio in VoIP is almost always a media path issue, not a signaling issue. Since the phone registers successfully, SIP signaling is working, but RTP (Real-time Transport Protocol) packets are not traversing the network. The first thing to check is whether network ACLs, firewalls, or NAT devices are blocking the UDP port range used for RTP (typically 16384–32767 on Cisco Unified Communications Manager).

Exam trap

CLCOR often tests the misconception that one-way audio is a signaling or configuration issue (CSS, DN, firmware) when it is almost always a network ACL/firewall/NAT problem affecting RTP media.

How to eliminate wrong answers

Option A is wrong because an incorrect directory number would affect call routing and dialing, not audio once a call is established. Option B is wrong because the CSS (Calling Search Space) controls call permissions and routing, not media flow; a CSS issue would prevent calls from being placed, not cause one-way audio. Option C is wrong because firmware version affects phone features and stability, but a registered phone with one-way audio points to network media path problems, not firmware.

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42
MCQhard

You have implemented 'Local Route Group' in your dial plan. What is the main advantage of using this instead of static Route Groups?

A.It forces the use of G.729.
B.It requires less CPU on the CUCM.
C.It simplifies the dial plan by removing the need for location-specific route patterns.
D.It allows faster call setup.
AnswerC

Local Route Group assigns a route group per device pool, so a single route pattern references a logical group that resolves to the correct gateway at each location. This removes the need for location-specific route patterns, satisfying the simplification stated in the stem.

Why this answer

Local Route Groups allow a single set of route patterns to be used across multiple locations by dynamically selecting the appropriate gateway based on the device's location. This eliminates the need to create duplicate route patterns for each location, simplifying the dial plan and reducing administrative overhead.

Exam trap

The trap is assuming that Local Route Groups affect codec or performance; they are purely a dial plan simplification tool, and the exam may distract with technical-sounding but irrelevant options.

How to eliminate wrong answers

Option A is wrong because Local Route Groups do not force the use of G.729; codec selection is independent of route group configuration. Option B is wrong because Local Route Groups do not inherently reduce CPU usage on CUCM; they are a logical grouping mechanism, and CPU impact is negligible either way. Option D is wrong because Local Route Groups do not directly affect call setup speed; they simplify configuration but do not change the signaling performance.

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43
MCQmedium

You are implementing a 'Call Hunt' sequence. You want to ensure that if no agent answers within 20 seconds, the call moves to the next member in the list. Which configuration object manages this timer?

A.Line Group
B.Hunt List
C.Route Group
D.Hunt Pilot
AnswerA

The Line Group object holds the hunt-scheme timer settings, including the no-answer timeout that advances the call to the next member. Configuring the 20-second interval there satisfies the stem's requirement to move the call onward.

Why this answer

In CUCM Call Hunt (a line group hunt), the Line Group configuration object contains the 'Hunt Options' settings, including the 'No Answer' timer (default 12 seconds, configurable up to 20+ seconds) that determines how long a member rings before the call moves to the next member. The Line Group also defines the distribution algorithm (top-down, longest idle, circular, broadcast) and the member order.

Exam trap

CLCOR often tests the hierarchy confusion between Hunt Pilot, Hunt List, and Line Group, so candidates who assume the timer lives on the Hunt Pilot or Hunt List (the more visible objects) pick the wrong answer.

How to eliminate wrong answers

Option B is wrong because the Hunt List is a container that references one or more Line Groups and defines the order in which line groups are tried, but it does not hold the per-member no-answer timer. Option C is wrong because a Route Group is a dial-plan object for outbound PSTN routing via gateways/trunks, unrelated to hunt timers. Option D is wrong because the Hunt Pilot is the dialable number that maps to a Hunt List; it defines the pilot number, voicemail settings, and final forwarding, but not the per-line no-answer timer.

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44
Multi-Selectmedium

Which TWO of the following fields are required when defining a Route Pattern?

Select 2 answers
A.Gateway/Route List
B.Codec
C.Bandwidth Limit
D.Softkey Template
E.Route Pattern String
AnswersA, E

The gateway or route list defines where calls matching the pattern are sent, so it is mandatory for every route pattern. Without it, Cisco Unified Communications Manager cannot route the dialled digits to a destination, making the field required.

Why this answer

In Cisco Unified Communications Manager, a Route Pattern must specify the destination to match and where to send the matched calls, so option A (Gateway/Route List) is required to define the egress path for the pattern, and option E (Route Pattern String) is required to define the dialed digits or wildcard pattern that the route pattern matches. Options B (Codec), C (Bandwidth Limit), and D (Softkey Template) are not mandatory fields when creating a route pattern; codec and bandwidth are typically associated with regions/locations or device pools, and softkey templates apply to devices such as phones, not to route patterns themselves.

Exam trap

CLCOR often tests the misconception that codec or bandwidth settings are part of a route pattern, when those belong to regions, locations, and device pools.

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45
MCQeasy

When adding a new phone, what is the 'Device Name' parameter based on by default?

A.The device pool name.
B.The extension number.
C.The user ID.
D.The MAC address of the phone.
AnswerD

By default, the Device Name field is auto-populated with the phone's MAC address, giving each device a unique identifier during registration. This satisfies the stem's question about what the parameter is based on without manual entry.

Why this answer

When adding a new phone in Cisco Unified Communications Manager, the Device Name field is automatically populated with the phone's MAC address by default. This ensures each device has a unique identifier in the CUCM database, which is essential for configuration file delivery and registration.

Exam trap

CLCOR often tests the assumption that the device name is based on the extension or user ID, when in fact it defaults to the MAC address; candidates must remember that the MAC is the unique hardware identifier used for TFTP config retrieval.

How to eliminate wrong answers

Option A is wrong because the device pool name is a logical grouping for settings like region, date/time, and CM group, not the device identifier. Option B is wrong because the extension number (directory number) is associated with lines on the phone, not the device itself. Option C is wrong because the user ID is used for user association and authentication, not as the device name.

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46
MCQhard

A user is unable to use their 'Speed Dial' button. What is the first thing you should verify?

A.The device pool.
B.The user's password.
C.The DN's partition.
D.The Phone Button Template.
AnswerD

The Phone Button Template defines which features, such as Speed Dial, appear on each line's buttons. If the template assigned to the device omits the Speed Dial button, the user cannot access it regardless of other configuration, so verifying the template first isolates the actual constraint.

Why this answer

A Speed Dial button is a programmable line key whose function is defined by the Phone Button Template assigned to the phone. If the template does not include a Speed Dial (or the button is not configured as Speed Dial), the button will not work regardless of DN or partition settings. Verifying the Phone Button Template is therefore the first step.

Exam trap

CLCOR often tests the misconception that a speed dial failure is a dial plan/partition issue, when the first check should be whether the Phone Button Template even defines a Speed Dial button.

How to eliminate wrong answers

Option A is wrong because the device pool controls region, location, date/time, and softkey template — not button functions. Option B is wrong because the user's password affects authentication/extension mobility login, not the physical button behavior. Option C is wrong because the DN's partition affects call routing/CSS reachability, but a Speed Dial button that is not defined in the template will not function even if the DN is in a reachable partition.

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47
MCQhard

You are integrating an external voicemail system with CUCM. Which object is used to define the dialable number that users call to reach their voicemail box?

A.Voicemail Pilot
B.Voicemail Profile
C.Route Pattern
D.Translation Pattern
AnswerA

The Voicemail Pilot defines the dialable pilot number that routes callers to the external voicemail system, and CUCM uses it to allocate a contiguous range of voicemail ports. Without this object, users have no number to dial to reach their mailbox.

Why this answer

The Voicemail Pilot is the CUCM object that defines the actual dialable number (directory number) users dial to reach the voicemail system — for example, 5000 for Unity Connection. It acts as the routing anchor that points CUCM to the voicemail server, and it is referenced by the Voicemail Profile. Without a Voicemail Pilot, CUCM has no number to send calls to when a phone's voicemail button is pressed or a busy/no-answer condition triggers a forward to voicemail.

Exam trap

CLCOR often tests the confusion between the Voicemail Pilot (the dialable number) and the Voicemail Profile (the assignment/mask object), causing candidates to pick the profile when asked for the dialable number.

How to eliminate wrong answers

Option B is wrong because the Voicemail Profile does not define a dialable number; it associates a voicemail pilot number with a set of voicemail box masks and is assigned to line/device configurations so CUCM knows which pilot to use. Option C is wrong because a Route Pattern is a general call-routing construct that matches dialed digits and points to a route list/gateway — it is not the voicemail-specific object that defines the voicemail access number. Option D is wrong because a Translation Pattern manipulates dialed digits (rewriting, prefixing, stripping) before routing; it does not define the voicemail pilot number itself.

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48
MCQeasy

A user's Cisco IP Phone 8841 is registered to Cisco Unified Communications Manager but cannot place calls to any internal or external numbers. The phone displays 'Registration Complete' but every call attempt results in a fast busy tone. Which configuration element is most likely missing or misconfigured for this phone?

A.The phone's Device Security Profile is set to Non-Secure.
B.The phone's Network Locale is set to United States.
C.The phone's Device Pool is not assigned to a Region.
D.The phone's Calling Search Space does not include the partitions containing the dialed numbers.
AnswerD

The Calling Search Space (CSS) determines which partitions a device can search for dialed numbers. If the CSS does not include the partitions where the route patterns or directory numbers reside, the phone cannot match any dialed digits, resulting in a fast busy tone. This is a common misconfiguration when a phone can register but cannot make calls.

Why this answer

A registered phone that cannot place any calls typically has a Calling Search Space that lacks access to the partitions containing the dialed numbers. The CSS must include the partitions where directory numbers and route patterns reside. Without this, digit analysis fails and the phone receives a fast busy tone.

Other settings like Region or security profile do not block call placement in this manner.

Exam trap

The trap here is assuming that registration success means all configuration is correct; however, a phone can register without having a functional Calling Search Space for dialing.

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49
MCQhard

You need to implement redundancy for a remote site using Survivable Remote Site Telephony (SRST). Which parameter in the Device Pool ensures that the phones fail over to the local router during a CUCM WAN outage?

A.AAR Calling Search Space
B.Cisco Unified CM Group
C.SRST Reference
D.Network Locale
AnswerC

The SRST Reference in the Device Pool points phones to the local router acting as the survivable call-control fallback. When the CUCM WAN link fails, phones use this reference to register with the SRST gateway, satisfying the failover requirement.

Why this answer

The SRST Reference is a Device Pool parameter that points to an SRST Reference object, which contains the IP address of the local router running SRST. When CUCM is unreachable, phones configured with that Device Pool fall back to the SRST router for call processing. This is the specific parameter that enables SRST failover for a remote site.

Exam trap

CLCOR often tests the distinction between CUCM Group (CUCM server redundancy) and SRST Reference (router failover) — candidates confuse the two because both appear in the Device Pool.

How to eliminate wrong answers

Option A is wrong because AAR (Automated Alternate Routing) CSS is used to reroute calls over the PSTN when bandwidth is insufficient — it is not the SRST failover mechanism. Option B is wrong because the Cisco Unified CM Group defines the ordered list of CUCM servers a device registers with for CUCM redundancy, not SRST router failover. Option D is wrong because Network Locale defines tones and ring cadences for a region, unrelated to SRST failover.

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50
MCQeasy

Which object acts as the primary container for a specific set of users in CUCM?

A.Device Pool
B.Location
C.User Group
D.Partition
AnswerC

A User Group in CUCM is the primary container for a specific set of users, grouping them for shared feature access, permissions and role assignments. It satisfies the stem's requirement by acting as the direct organisational container, unlike roles or partitions which serve different functions.

Why this answer

In Cisco Unified Communications Manager (CUCM), a User Group is the primary container for a set of users and serves as the mechanism for assigning roles and permissions. It aggregates users for administrative purposes, such as granting them access to CUCM administration or specific features via role assignments.

Exam trap

CLCOR often tests the confusion between User Groups (user administration) and Device Pools (device configuration) — candidates pick Device Pool because it sounds like a grouping mechanism, but it groups devices, not users.

How to eliminate wrong answers

Option A is wrong because a Device Pool defines a set of common device attributes (region, date/time group, softkey template, SRST reference) applied to phones and gateways, not a container for users. Option B is wrong because a Location in CUCM is used for call admission control (bandwidth management) between sites, not for grouping users. Option D is wrong because a Partition (along with Calling Search Space) controls call routing and dial plan access; it organizes directory numbers, not users.

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51
MCQhard

An administrator configures a Translation Pattern of 9XXX in partition INTERNAL_PT with Calling Search Space ROUTE_CSS. A user in partition USER_PT with CSS ROUTE_CSS dials 8001. The Translation Pattern is fully matched, and its Called Party Transformation CSS is set to TRANSFORM_CSS. Which calling search space is used to search for the final translated pattern after the digit transformation is applied?

A.ROUTE_CSS, because it is the calling search space assigned directly to the Translation Pattern.
B.The CSS of the device that originated the call, because device-level CSS overrides pattern-level transformation settings.
C.USER_PT's CSS, because the calling user's original calling search space is preserved throughout translation.
D.TRANSFORM_CSS, because the Called Party Transformation CSS on the Translation Pattern governs the post-transformation search.
AnswerD

When a Translation Pattern transforms the called number, CUCM performs a second lookup using the Called Party Transformation CSS configured on that Translation Pattern. This CSS determines which partitions are searched for the new digits, allowing the administrator to route the translated number differently from the original dialed digits.

Why this answer

A Translation Pattern performs two distinct lookups. The first uses the calling party's CSS to match the Translation Pattern in its partition. The second uses the Called Party Transformation CSS on the Translation Pattern to locate the final destination for the transformed digits.

Configuring TRANSFORM_CSS ensures the translated number is searched only in the intended partitions.

Exam trap

The trap here is assuming the original device CSS or the Translation Pattern's own CSS still controls the final lookup after digit transformation.

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52
Multi-Selecteasy

Which THREE components are part of the CUCM redundancy architecture?

Select 3 answers
A.Cisco Unified CM Group
B.The TFTP service.
C.SRST Reference
D.Publisher and Subscriber nodes
E.Cisco Unity Connection.
AnswersA, C, D

A Cisco Unified CM Group defines an ordered list of nodes that devices use for registration failover, so if the primary node fails, endpoints re-register with the next listed node. This satisfies the stem's requirement by supplying the device-side redundancy mechanism within CUCM architecture.

Why this answer

In Cisco Unified Communications Manager (CUCM) redundancy architecture, the Cisco Unified CM Group (option A) is a correct component because it defines the ordered list of CUCM nodes that a device (phone, gateway, or trunk) registers with and falls back to, providing call-processing redundancy. Publisher and Subscriber nodes (option D) are correct because the cluster's database replication model relies on a Publisher providing the master configuration database and Subscribers receiving replicated copies, so if a node fails, others continue call processing. SRST Reference (option C) is correct because it points to a Survivable Remote Site Telephony gateway that provides fallback call processing for remote-site phones when WAN connectivity to the CUCM cluster is lost, which is a key element of the overall redundancy design.

The TFTP service (option B) is not a redundancy component; it is a service used for endpoint configuration file download and firmware, and while it can run on multiple nodes, it is not itself part of the redundancy architecture. Cisco Unity Connection (option E) is a separate voicemail/messaging application, not a component of CUCM call-processing redundancy.

Exam trap

CLCOR often tests the misconception that services like TFTP or external products like Unity Connection are part of CUCM redundancy, when the exam expects the three canonical components: CM Group, SRST Reference, and Publisher/Subscriber nodes.

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53
MCQhard

You need to prevent certain internal users from making international calls while allowing them to dial local numbers. What is the most efficient way to implement this in CUCM?

A.Use an Application Dial Rule.
B.Modify the device pool's location.
C.Assign a CSS to the device that includes a Partition containing local routes but excludes a Partition containing international routes.
D.Configure a Route Filter on the Route Pattern.
AnswerC

Class of Service controls which partitions a device may dial, so a CSS containing the local-route partition but omitting the international partition blocks international dialling while permitting local calls. This is applied once at device level rather than per-line or via translation patterns.

Why this answer

A Calling Search Space (CSS) assigned to the device determines which partitions the device can search when matching dialed digits. By including a partition with local route patterns and excluding the partition containing international route patterns, the device simply cannot match international dialing patterns, so the call is blocked at the dial-plan level. This is the most efficient approach because it uses the existing CUCM dial-plan hierarchy rather than adding per-call filtering logic.

Exam trap

CLCOR often tests the misconception that Route Filters or Application Dial Rules enforce call-blocking policy, when in fact only CSS/Partition membership controls which dial patterns a device can reach.

How to eliminate wrong answers

Option A is wrong because Application Dial Rules only transform dialed digits (e.g., stripping prefixes or adding digits) before they hit the dial plan; they do not enforce call-blocking policy. Option B is wrong because the device pool's location setting controls bandwidth allocation and CAC between locations, not which dial patterns a device is permitted to match. Option D is wrong because a Route Filter on a Route Pattern filters which specific dialed strings match that pattern (e.g., by numbering plan or called-party prefix), but it is applied per route pattern and is not the cleanest way to deny a whole class of calls to a subset of users; CSS/Partition separation is the standard, most efficient mechanism.

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54
Multi-Selectmedium

Which TWO of the following are valid methods to handle digit manipulation in CUCM?

Select 2 answers
A.Route Filter
B.Region Matrix
C.Translation Pattern
D.Location Configuration
E.Calling Party Transformation Pattern
AnswersC, E

A Translation Pattern manipulates digits by matching a dialled string and transforming it into a different number before routing. It satisfies CUCM digit manipulation by rewriting called-party digits at a specific partition and CSS scope.

Why this answer

Translation Pattern (C) is a valid digit-manipulation method in CUCM because it matches a dialed digit string in a partition and applies transformations such as discarding digits (Discard Digits), prefixing digits, or rewriting the called/calling number before the call is routed. Calling Party Transformation Pattern (E) is also valid because it specifically manipulates the calling-party number (and related presentation settings) on inbound or outbound calls by matching the calling number and applying prefix, strip, or transformation masks. Route Filter (A) is not a digit-manipulation tool; it is used with route lists and time schedules to filter which route groups or dial peers can be selected based on dial-peer tags, not to rewrite digits.

Region Matrix (B) governs codec selection between regions for calls, not digit manipulation. Location Configuration (D) is used for call admission control and bandwidth allocation between locations, not for altering dialed digits.

Exam trap

CLCOR often tests whether candidates confuse digit manipulation (translation and transformation patterns) with route selection (route filters) or bandwidth management (regions/locations).

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55
MCQmedium

Which component allows for automatic rerouting of a call if the primary gateway is busy or unreachable?

A.Partition
B.Device Pool
C.Route Group
D.Route List
AnswerD

A route list groups gateways into an ordered priority sequence. When the primary gateway is busy or unreachable, Cisco Unified Communications Manager automatically reroutes the call to the next available gateway in the list, providing the required failover.

Why this answer

A Route List provides ordered, prioritized routing by grouping multiple Route Groups and enabling automatic failover when the primary gateway is busy, unreachable, or returns an error. It is the CUCM component that delivers redundancy for outbound call routing.

Exam trap

CLCOR often tests the distinction between Route Group (same-type gateway pool) and Route List (ordered failover across groups), so the trap is choosing Route Group when the question asks about rerouting across different gateways.

How to eliminate wrong answers

Option A is wrong because a Partition is a logical grouping of dialable patterns used with Calling Search Spaces for access control, not for gateway failover. Option B is wrong because a Device Pool groups devices for common settings (region, date/time, SRST reference, CUCM group) and does not perform call rerouting. Option C is wrong because a Route Group is a collection of gateways of the same type/priority; it can distribute calls among its members but does not itself provide ordered failover across different gateway types — that is the Route List's role.

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56
Multi-Selectmedium

Which TWO features are managed by the 'Cisco Unified Serviceability' tool?

Select 2 answers
A.IP Phone registration.
B.Bulk phone import.
C.Alarm and Trace configuration
D.User password reset.
E.Service Activation
AnswersC, E

Cisco Unified Serviceability hosts the Alarm and Trace Configuration interface, letting administrators define alarm events, trace levels and log outputs for troubleshooting. This is the tool's dedicated function, satisfying the requirement for a feature managed there rather than in Unified CM Administration.

Why this answer

Cisco Unified Serviceability is the Cisco Unified Communications Manager (CUCM) administration interface dedicated to operational and diagnostic functions, so Alarm and Trace configuration (option C) is correct because this tool is where you enable and configure alarms, traces, and the Real-Time Monitoring Tool (RTMT) alert/log settings for CUCM services. Service Activation (option E) is also correct because Cisco Unified Serviceability provides the Service Activation page used to start, stop, and restart network services and feature services (e.g., Cisco CallManager, Cisco TFTP, Cisco CTIManager) on the cluster nodes. IP Phone registration (option A) is not managed here; it is handled by the phone's configuration in Cisco Unified CM Administration and the registration process via the TFTP/CallManager services, not by Serviceability.

Bulk phone import (option B) is performed with the Bulk Administration Tool (BAT) in Cisco Unified CM Administration, and user password reset (option D) is done through Cisco Unified CM Administration's End User configuration or via the Cisco Unified CM User Options/self-care pages, not through Serviceability.

Exam trap

CLCOR often tests which CUCM GUI tool performs which function — candidates confuse Unified Serviceability (services, alarms, traces) with Unified CM Administration (devices, users, dial plan).

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57
MCQhard

When using 'Call Pickup', how does a user pick up a call that is ringing on another phone in the same pickup group?

A.By dialing the target phone extension.
B.By selecting 'Hold' on their own line.
C.By accessing the CUCM web interface.
D.By pressing the 'Pickup' softkey.
AnswerD

Call Pickup works by dialling the pickup group's feature code or pressing the Pickup softkey, which redirects the ringing call from another group member's line to the answering phone. This satisfies the scenario of retrieving a call ringing on a colleague's phone within the same group.

Why this answer

Call Pickup allows a user to answer a call ringing on another phone in the same pickup group by pressing the 'Pickup' softkey (or dialing the pickup group code). The softkey triggers the Call Pickup feature, which redirects the ringing call to the user's phone. This is a standard CUCM feature for group call answering.

Exam trap

CLCOR often tests the specific softkey or action for call pickup; candidates may confuse it with dialing the extension or using hold, but the correct answer is pressing the 'Pickup' softkey.

How to eliminate wrong answers

Option A is wrong because dialing the target phone's extension would call that phone, not pick up its ringing call. Option B is wrong because pressing 'Hold' only affects the user's own active call, not another phone's ringing call. Option C is wrong because accessing the CUCM web interface is not a phone-based call pickup method; it's for administration.

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58
MCQmedium

A user complains that they cannot see the 'Transfer' softkey on their phone during an active call. Where is the most appropriate place to check the softkey configuration?

A.Device > Device Settings > Softkey Template
B.System > Enterprise Phone Configuration
C.Device > Device Pool
D.Device > Phone
AnswerA

Softkey templates define which softkeys appear during call states, including Transfer. The template is assigned to the device, so checking Device > Device Settings > Softkey Template confirms whether a template containing Transfer is applied to that phone.

Why this answer

Softkey templates in Cisco Unified Communications Manager define which softkeys appear on a phone during different call states, and they are configured under Device > Device Settings > Softkey Template. The template is then associated with a device pool or directly with a phone, but the actual softkey definitions (including Transfer) live in the template. Checking the template is the correct first step to verify whether the Transfer softkey is enabled for the connected/active call state.

Exam trap

CLCOR often tests the misconception that softkeys are configured on the phone page itself, when the actual definitions live in the Softkey Template under Device Settings.

How to eliminate wrong answers

Option B is wrong because System > Enterprise Phone Configuration sets global phone parameters like background image or URL services, not softkey layouts. Option C is wrong because Device > Device Pool controls region, location, date/time group, and CUCM group assignments, not softkey behavior. Option D is wrong because Device > Phone shows the phone's assigned softkey template but does not let you edit the softkey definitions themselves; the template must be modified under Device Settings.

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59
MCQeasy

What is the default behavior of CUCM when a phone is moved to a new site and registers with the local CUCM node, but the Device Pool is not updated?

A.The phone registers but keeps old Region/Location settings.
B.The phone refuses to register.
C.The phone forces a factory reset.
D.The phone defaults to the 'Default' device pool.
AnswerA

Moving a phone between CUCM nodes does not rewrite its Device Pool, so Region and Location values persist from the original configuration. The device registers successfully but keeps stale bandwidth and codec settings until the administrator reassigns the Device Pool.

Why this answer

When a phone moves to a new site and registers with a local CUCM node but its Device Pool is not updated, it retains the old Region and Location settings from its assigned Device Pool. The Device Pool defines these settings, and they are not automatically changed based on the registration node.

Exam trap

CLCOR often tests the behavior of Device Pool settings when phones move, and candidates may incorrectly assume that CUCM automatically updates Region/Location based on the registration node.

How to eliminate wrong answers

Option B is wrong because the phone will register successfully as long as it can reach the CUCM node; the Device Pool does not prevent registration. Option C is wrong because CUCM does not force a factory reset on the phone due to a Device Pool mismatch. Option D is wrong because the phone does not default to the 'Default' device pool; it uses the Device Pool assigned to it in its configuration.

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60
MCQmedium

What is the purpose of the 'Common Device Configuration' in CUCM?

A.To manage trunk security.
B.To manage bandwidth.
C.To manage user passwords.
D.To group shared settings like softkey templates.
AnswerD

Common Device Configuration groups shared device-level settings, including softkey templates, phone button templates and softkey layout, so they can be applied across many phones rather than configured individually. This satisfies the stem's requirement by centralising reusable configuration, reducing administrative effort when deploying or updating large numbers of Cisco IP phones.

Why this answer

The Common Device Configuration in CUCM is a template that groups shared device-level settings — such as softkey templates, phone button templates, and other common parameters — so they can be applied to multiple devices without configuring each one individually. This reduces administrative overhead and ensures consistency across phones.

Exam trap

The trap is mixing up the three template types in CUCM — Common Device Configuration (shared device settings like softkeys), Device Pool (Location/Region/Date-Time/CUCM Group), and Phone Button Template (button layout) — and candidates who do not distinguish them pick an answer about trunks, bandwidth, or passwords.

How to eliminate wrong answers

Option A is wrong because trunk security is configured on the trunk itself (via SIP trunk security profiles or gateway settings), not through Common Device Configuration. Option B is wrong because bandwidth management is handled through Locations and Regions in Device Pools, not Common Device Configuration. Option C is wrong because user passwords are managed under User Management > End User or via LDAP integration, not through device configuration templates.

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61
Multi-Selecthard

Which THREE of the following items can be defined within a Device Pool?

Select 3 answers
A.Location
B.Date/Time Group
C.Translation Pattern
D.Region
E.Route Partition
AnswersA, B, D

A Device Pool in Cisco Unified Communications Manager can include a Location, which enforces call admission control by limiting the bandwidth available to devices at that site. This satisfies the pool's CAC requirement, preventing oversubscription of WAN links.

Why this answer

In Cisco Unified Communications Manager, a Device Pool is a template that groups common settings applied to devices such as IP phones and gateways. Option A (Location) is correct because the Device Pool specifies the Location, which enforces call admission control bandwidth limits between sites. Option B (Date/Time Group) is correct because the Device Pool defines the Date/Time Group that determines the time zone and date/time format displayed on the devices.

Option D (Region) is correct because the Device Pool assigns the Region, which controls the codec selection for calls between devices in different regions. Option C (Translation Pattern) is not part of a Device Pool; translation patterns are configured under Call Routing > Translation Pattern and are applied during call routing, not as a device-level setting. Option E (Route Partition) is also not defined in a Device Pool; partitions are assigned to directory numbers, route patterns, and translation patterns via Calling Search Spaces, not to device pools.

Exam trap

The trap is confusing dial plan elements (Translation Patterns, Route Partitions, Calling Search Spaces) with device-level configuration elements — candidates who do not separate 'device settings' from 'call routing settings' will incorrectly include Translation Pattern or Route Partition.

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62
MCQmedium

Which service in CUCM is responsible for handling the registration of SIP devices?

A.Cisco Database Layer Monitor
B.Cisco CallManager
C.Cisco CTIManager
D.Cisco TFTP
AnswerB

Cisco CallManager (the CallManager service) is the SIP registrar and line-side call-control component in CUCM, so it owns device registration, authentication and keepalive for SIP endpoints. Other services handle TFTP configuration, database replication or media resources, not registration.

Why this answer

The Cisco CallManager service (Cisco CallManager, often abbreviated CCM) is the core call-processing service in CUCM that handles SIP device registration, call routing, and signaling. SIP phones and gateways register with the CallManager service running on a CUCM node, which maintains the registration state and provides call control.

Exam trap

CLCOR often tests the distinction between CUCM services — candidates confuse TFTP (config/firmware delivery) with CallManager (registration/signaling) and incorrectly select TFTP for registration questions.

How to eliminate wrong answers

Option A is wrong because Cisco Database Layer Monitor monitors the health and replication of the CUCM database (IBM Informix), not device registration. Option C is wrong because Cisco CTIManager provides Computer Telephony Integration (CTI) services for applications like Jabber and contact center agents, not SIP registration. Option D is wrong because Cisco TFTP serves configuration files and firmware to endpoints during boot, but registration itself is handled by the CallManager service.

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63
MCQmedium

When designing a redundant CUCM deployment, which mechanism ensures that if a primary subscriber fails, phones automatically register to a secondary subscriber?

A.SIP Trunk Security Profile
B.Route List
C.CM Group
D.Device Pool
AnswerC

A CM Group defines an ordered list of subscriber nodes that phones use for registration. If the primary subscriber becomes unreachable, phones fall back to the next subscriber in the group, providing automatic registration redundancy.

Why this answer

A Cisco CallManager Group (CM Group) is an ordered list of CUCM nodes that is assigned to a Device Pool, which in turn is assigned to phones. The CM Group defines the primary subscriber and up to two backup subscribers; if the primary fails, phones fall back to the next node in the list in the order specified. This is the native CUCM device redundancy mechanism for phone registration.

Exam trap

CLCOR often tests the distinction between Device Pool and CM Group — candidates see 'Device Pool' and assume it controls failover, but the Device Pool only references the CM Group that actually defines the ordered subscriber list.

How to eliminate wrong answers

Option A is wrong because a SIP Trunk Security Profile defines authentication, encryption, and digest settings for SIP trunks between CUCM and external systems — it has nothing to do with phone registration failover. Option B is wrong because a Route List is a digit-analysis construct that orders Route Groups for outbound call routing, not for phone registration redundancy. Option D is wrong because a Device Pool groups devices for common settings (region, date/time, CM Group, SRST reference) but does not itself define the failover order — the CM Group referenced by the Device Pool does that.

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64
MCQmedium

A Cisco Unified Communications Manager (CUCM) administrator is configuring a new phone for a user. The user needs to be able to dial internal extensions, local PSTN numbers, and international numbers. The administrator has created a device pool, a line, and a directory number. Which additional configuration is required to allow the phone to place calls to the PSTN?

A.Add the phone to a device pool that contains the gateway for PSTN connectivity.
B.Assign a calling search space to the phone's directory number that includes the partitions containing the route patterns for PSTN access.
C.Configure a translation pattern that converts internal extensions to E.164 format for all outbound calls.
D.Enable the 'Allow Outbound Calls' checkbox in the phone's configuration page.
AnswerB

The calling search space (CSS) on the directory number determines which partitions the phone can reach when dialing. To allow PSTN calls, the CSS must include the partitions that contain the route patterns for local and international dialing. Without the correct CSS, the phone cannot match those route patterns, and calls will fail with a reorder tone.

Why this answer

In CUCM, call permissions are enforced through calling search spaces (CSS) and partitions. The CSS assigned to the directory number determines which partitions (and thus which route patterns) the phone can access. To allow PSTN calls, the CSS must include the partitions containing the relevant route patterns.

This is the essential configuration step.

Exam trap

The trap here is thinking that device pools or translation patterns directly enable PSTN access, when the actual control point is the calling search space on the directory number.

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65
MCQeasy

Which protocol is used by IP phones to register with the Cisco Unified Communications Manager?

A.RTCP
B.SCCP or SIP
C.MGCP
D.H.323
AnswerB

Cisco IP phones register with Cisco Unified Communications Manager using either SCCP, Cisco's proprietary signalling protocol, or SIP, the standards-based alternative. Both are supported registration protocols, so the option correctly names the pair the phones rely on.

Why this answer

Cisco IP phones register with Cisco Unified Communications Manager using either SCCP (Skinny Client Control Protocol) or SIP (Session Initiation Protocol), depending on the phone model and firmware configuration. Both are supported signaling protocols for phone registration and call control in CUCM.

Exam trap

The trap is confusing signaling protocols used for phone registration (SCCP/SIP) with protocols used for gateway control (MGCP), media monitoring (RTCP), or legacy trunking (H.323) — candidates who do not separate 'phone-to-CUCM' from 'CUCM-to-gateway' signaling pick the wrong protocol.

How to eliminate wrong answers

Option A is wrong because RTCP (RTP Control Protocol) is used for monitoring QoS statistics of an RTP media stream, not for phone registration. Option C is wrong because MGCP (Media Gateway Control Protocol) is used by CUCM to control voice gateways, not by IP phones to register. Option D is wrong because H.323 is a legacy VoIP signaling protocol used for gateway and intercluster communication, not the primary registration protocol for Cisco IP phones.

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66
Multi-Selecthard

Which THREE parameters are affected when you change the 'Location' of a device?

Select 3 answers
A.Video bandwidth limits
B.The phone's directory number.
C.The phone's display language.
D.Audio bandwidth limits
E.RSVP-enabled path
AnswersA, D, E

Changing a device's Location in Cisco Unified Communications Manager reassigns its device pool, which governs the regional settings applied to that device. Location determines the maximum audio and video bandwidth permitted between devices, so video bandwidth limits shift accordingly. This satisfies the stem's constraint that Location changes affect bandwidth parameters.

Why this answer

Changing a device's Location in Cisco Unified Communications Manager applies the region and location bandwidth policies tied to that Location, so it directly affects the video bandwidth limits (A) and audio bandwidth limits (D) available for calls involving that device, since Location defines the maximum audio/video bit rate allowed between locations. It also changes the RSVP-enabled path (E), because Locations are used with RSVP-based call admission control to determine the reserved path and bandwidth between sites. The phone's directory number (B) is assigned independently via line/DN configuration and is not altered by moving the device to another Location.

The phone's display language (C) is a device/user locale setting and is unrelated to Location-based bandwidth or RSVP parameters.

Exam trap

CLCOR often tests which parameters are tied to Location — candidates forget that RSVP and video bandwidth are also Location-controlled, not just audio.

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67
MCQmedium

You are configuring a SIP trunk between CUCM and a CUBE. Which setting is critical to ensure that the SIP signaling is encrypted?

A.SIP Trunk Security Profile
B.Enterprise Parameters
C.Device Pool
D.SIP Profile
AnswerA

The SIP Trunk Security Profile on the trunk controls TLS signalling encryption, determining whether the trunk uses a secure transport and which certificate trust settings apply. Without it, SIP signalling between CUCM and CUBE remains unencrypted regardless of other trunk parameters.

Why this answer

The SIP Trunk Security Profile in CUCM defines the security settings for a SIP trunk, including whether TLS is used for signaling encryption and whether digest authentication is enabled. To ensure SIP signaling is encrypted, the profile must be configured with a 'Secure' transport (TLS) and applied to the trunk. This is the critical setting that controls encryption of SIP messages between CUCM and CUBE.

Exam trap

CLCOR often tests the distinction between SIP Trunk Security Profile (encryption/authentication) and SIP Profile (protocol behavior), so the trap is selecting SIP Profile because it sounds like it controls all SIP settings.

How to eliminate wrong answers

Option B is wrong because Enterprise Parameters define cluster-wide defaults such as cluster ID and token expiration, not per-trunk SIP signaling encryption. Option C is wrong because a Device Pool groups devices for region, date/time, and call manager settings, but does not control SIP TLS. Option D is wrong because a SIP Profile defines SIP timers, headers, and normalization settings, not the security transport; it works alongside the security profile but does not enable encryption.

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68
MCQhard

You are migrating a legacy PBX to CUCM. You need to normalize incoming caller IDs from the PSTN to E.164 format. Which tool is best suited for this at the gateway level?

A.Translation Pattern
B.Route Filter
C.Route Pattern
D.Calling Party Transformation Pattern
AnswerD

Calling Party Transformation Patterns applied at the gateway rewrite inbound calling numbers into E.164 before CUCM processes them. This satisfies the stem's normalisation requirement at the gateway level, unlike route patterns or translation patterns that operate on dialled digits rather than the calling party.

Why this answer

Calling Party Transformation Patterns are applied at the gateway or trunk level to normalize the calling party number (ANI) into E.164 format before the call is routed within CUCM. They can be assigned to a gateway, trunk, or route list, and they manipulate the calling number using digit manipulations (prefix, strip, etc.). For normalizing incoming PSTN caller IDs, this is the correct tool because it specifically targets the calling party field.

Exam trap

CLCOR often tests the difference between Translation Patterns (called party/dialed digits) and Calling Party Transformation Patterns (calling party/ANI), causing candidates to pick Translation Pattern for caller ID normalization.

How to eliminate wrong answers

Option A is wrong because a Translation Pattern is used to translate dialed digits (called party) and route calls; it can also transform calling party, but it is not the dedicated gateway-level tool for normalizing incoming ANI and is typically used for dial plan translation, not PSTN caller ID normalization. Option B is wrong because a Route Filter is used to filter route groups based on dialed digits or calling party number for route selection, not to transform the number itself. Option C is wrong because a Route Pattern matches dialed digits and points to a route list/gateway; it does not normalize the calling party number.

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69
MCQmedium

You have configured a Cisco Unified CM Route List with two Route Groups: one containing a SIP trunk to Provider A and another containing a SIP trunk to Provider B. You want calls to be attempted to Provider A first, and only if that fails, to Provider B. Which Route List configuration ensures this behavior?

A.Set the Route List's distribution algorithm to Top Down and ensure the Route Group for Provider A is listed first.
B.Set the Route List's distribution algorithm to Broadcast and ensure the Route Group for Provider A is listed first.
C.Set the Route List's distribution algorithm to Circular and ensure the Route Group for Provider A is listed first.
D.Set the Route List's distribution algorithm to Longest Idle and ensure the Route Group for Provider A is listed first.
AnswerA

The Top Down distribution algorithm in a Route List tries Route Groups in the order they are listed. By placing the Route Group for Provider A first, calls will be attempted to Provider A first. If that fails, CUCM will then try the next Route Group, Provider B. This is the standard way to achieve primary/secondary routing behavior.

Why this answer

To route calls to Provider A first and then Provider B only on failure, the Route List must use the Top Down distribution algorithm and list the Route Group for Provider A before Provider B. Top Down tries each Route Group in order, providing sequential failover. Other algorithms like Circular or Longest Idle do not provide this strict primary/secondary behavior.

Exam trap

The trap here is assuming that any distribution algorithm will respect the order of Route Groups for failover, when in fact only Top Down guarantees sequential attempts.

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70
MCQhard

You are designing a dial plan with a centralized PSTN egress. What must you configure to ensure that local extensions can be dialed directly across sites?

A.A shared device pool.
B.A translation pattern for each extension.
C.A CSS that includes all site-specific partitions.
D.A route pattern that includes all extensions.
AnswerC

A CSS containing every site's partitions lets each phone search all partitions, so dialling a remote site's extension matches the correct partition and routes over the centralized PSTN egress. Without the shared CSS, cross-site extension dialling fails.

Why this answer

In a centralized PSTN egress design, each site's extensions reside in site-specific partitions. To allow any site to dial another site's extensions directly, the calling devices need a Calling Search Space (CSS) that includes all site-specific partitions. This enables the dial plan to match the dialed extension in the appropriate partition and route the call internally.

Exam trap

CLCOR often tests the role of CSS and partitions in inter-site dialing; candidates may think a shared device pool or translation patterns are needed, but the correct answer is a CSS that includes all relevant partitions.

How to eliminate wrong answers

Option A is wrong because a shared device pool does not affect dialing permissions; it only groups devices for settings like region and CM group. Option B is wrong because a translation pattern per extension is not scalable and unnecessary; a CSS with partitions is the standard method. Option D is wrong because a route pattern that includes all extensions would route calls to a gateway, not enable internal extension dialing across sites; route patterns are for external destinations.

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71
MCQmedium

You want to implement 'Presence' so users can see the status of other users. Which service must be running on the IM and Presence server?

A.Cisco SIP Proxy
B.Cisco Presence Engine
C.Cisco XCP Router
D.Cisco TFTP
AnswerB

The Cisco Presence Engine is the service that aggregates and publishes user availability state, so it must run for users to see each other's status. Without it, the IM and Presence server handles messaging but cannot supply presence information.

Why this answer

The Cisco Presence Engine is the core service on the IM and Presence server that processes and distributes presence information (status, availability, capabilities) between users. Without it running, presence updates cannot be published or subscribed to, so users cannot see each other's status.

Exam trap

CLCOR often tests the misconception that the XCP Router or SIP Proxy provides presence, when the Presence Engine is the specific service responsible for presence state processing.

How to eliminate wrong answers

Option A is wrong because Cisco SIP Proxy is not the presence-processing service; it handles SIP signaling for the IM and Presence node but does not itself manage presence state. Option C is wrong because Cisco XCP Router is the underlying messaging/connection manager that routes XMPP traffic between services, but it is not the service that specifically implements presence logic. Option D is wrong because Cisco TFTP is a CUCM service for delivering configuration files and firmware to endpoints, unrelated to IM and Presence.

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