CLCOR Multiple Select — 40 Questions

Question 1

Which THREE items are included in a standard SIP REGISTER request?

Accepted Answer

To Header. The 'To', 'From', and 'Contact' headers are mandatory in a SIP REGISTER request.

Answer

Alert-Info

Answer

Body (SDP)

Question 2

Which THREE methods are used by Cisco IP phones to obtain their configuration files?

Accepted Answer

Auto-discovery via Service Discovery. DHCP options, manual entry, and auto-discovery/TFTP are standard methods.

Answer

SMTP

Answer

FTP

Question 3

Which THREE codecs are natively supported by the Cisco IP Phone 8800 series?

Accepted Answer

Opus. G.711, G.729, and Opus/G.722 are widely supported across the 8800 series.

Answer

H.264

Answer

G.723

Question 4

Which TWO of the following are valid components of a Cisco IOS voice gateway configuration?

Accepted Answer

Dial-peers. Dial-peers and voice translation rules are core components of voice gateway configuration.

Answer

Phone button template

Answer

CUCM route pattern

Answer

Device pool

Question 5

Which THREE commands are used to configure a SIP profile in CUBE?

Accepted Answer

voice-class sip-profiles apply. SIP profiles require creating a voice class, defining the match/modify rules, and applying it to a dial-peer.

Answer

dial-peer voice

Answer

sip-ua

Question 6

Which TWO of the following are required to successfully register a CUBE with a SIP provider?

Accepted Answer

authentication credentials. CUBE registration requires a SIP-UA configuration defining the authentication credentials and the registrar server.

Answer

voice class codec

Answer

dial-peer voice

Answer

voice translation-rule

Question 7

Which TWO of the following are true regarding the use of voice translation-rules?

Accepted Answer

They use regular expressions. Translation rules use regular expressions to match and replace digits.

Answer

They perform load balancing

Answer

They replace the SIP protocol

Answer

They define the codec

Question 8

Which THREE of the following are required for the successful operation of the Webex Hybrid Calendar service? (Choose three)

Accepted Answer

A valid configuration in Control Hub.. The Hybrid Calendar requires a properly configured service account, the connector host (Expressway), and an integration configuration in Control Hub.

Answer

A Cisco Unified Communications Manager cluster.

Answer

A public PSTN trunk.

Question 9

Which THREE of the following items are verified during the Webex Hybrid Service connector installation? (Choose three)

Accepted Answer

Active Directory service account privileges.. The installation process validates that the Expressway-C can communicate with the cloud, that the certificates are trusted, and that the service account has the necessary permissions.

Answer

The local PBX manufacturer.

Answer

User's home network speed.

Question 10

Which TWO of the following are required components of a Cisco Local Gateway deployment? (Choose two)

Accepted Answer

A Cisco Unified Border Element (CUBE).. A Local Gateway requires a CUBE (Cisco Unified Border Element) and a SIP trunk to the Webex Calling cloud.

Answer

An on-premises Active Directory server.

Answer

A dedicated fiber-optic internet connection.

Answer

A cloud-based PSTN provider.

Question 11

Which THREE of the following troubleshooting steps should be performed if a Webex Hybrid connector is showing 'Down' in Control Hub? (Choose three)

Accepted Answer

Restart the Management Service on the Expressway-C.. When a connector fails, the administrator should verify network connectivity, check the service status on the Expressway, and examine the local logs for errors.

Answer

Re-provision the Active Directory domain controller.

Answer

Upgrade the CUCM cluster software.

Question 12

Which TWO of the following items can be monitored in the Webex Control Hub under the 'Hybrid' tab? (Choose two)

Accepted Answer

Connector status (up/down).. The Hybrid tab provides real-time health monitoring and connectivity status for all deployed service connectors.

Answer

Physical desk phone inventory.

Answer

PSTN usage minutes.

Answer

User password history.

Question 13

When troubleshooting Webex Calling, which THREE factors are critical for maintaining call quality over a hybrid network?

Accepted Answer

Quality of Service (QoS) tagging. QoS, bandwidth, and latency are the three pillars of maintaining high-quality voice in hybrid environments.

Answer

Local database replication speed

Answer

Hardware firewall bypass

Question 14

Which THREE of the following are recommended steps when designing a secure signaling path between CUCM and a CUBE gateway?

Accepted Answer

Install and trust CA certificates. Using SIP Trunk Security Profiles, installing the correct CA certificates, and enabling TLS are the three pillars of securing the SIP signaling path.

Answer

Disable SIP digest authentication

Answer

Enable H.323 Fast Start

Question 15

Which TWO of the following are valid deployment models for the Webex Calling PSTN connectivity? (Choose two)

Accepted Answer

Local Gateway.. Customers can choose between Local Gateway (using on-premises hardware) or Cloud Connected PSTN (using a cloud provider partner) for their calling connectivity.

Answer

Webex Calling dedicated ISP.

Answer

Hybrid Cloud PSTN.

Answer

Peer-to-Peer PSTN.

Question 16

Which TWO of the following are valid requirements for deploying the Cisco Directory Connector? (Choose two)

Accepted Answer

A Windows Server to host the connector software.. The Directory Connector requires a Windows-based server and network connectivity to both the Active Directory domain controller and the internet (for the Webex cloud).

Answer

An on-premises CUCM cluster.

Answer

A separate Webex Calling license for every user.

Answer

A dedicated public IP address for the sync server.

Question 17

Which TWO of the following features are supported by the Webex Hybrid Message Service? (Choose two)

Accepted Answer

Instant message exchange.. The Hybrid Message service facilitates presence updates and message exchange between on-premises IM&P users and the Webex App.

Answer

Voicemail transcription.

Answer

Email synchronization.

Answer

Web-based meeting recording.

Question 18

Which THREE components are involved in the Webex Hybrid Media Service architecture?

Accepted Answer

Expressway-C. The architecture relies on Expressway-C, Media nodes, and the cloud-based management platform.

Answer

Cloud PSTN Gateway

Answer

CUCM Media Resource Group

Question 19

Which TWO tasks must be performed when setting up Webex Hybrid Calendar service with Microsoft Exchange?

Accepted Answer

Grant the service account ApplicationImpersonation rights. You must grant service account permissions to the calendar and configure the service in Control Hub.

Answer

Create a dedicated DNS zone for Exchange

Answer

Configure a SIP trunk between Exchange and Webex

Answer

Install an H.323 gateway in the DMZ

Question 20

Which TWO of the following are valid methods for connecting on-premises PSTN to Webex Calling?

Accepted Answer

Local Gateway. The two primary methods are the Local Gateway (via CUBE/Expressway) and Cloud Connected PSTN (CCP).

Answer

Direct SIP to CUCM

Answer

H.323 Trunking

Answer

Webex Edge for Calling