Infrastructure And Design

Which TWO of the following are valid methods for providing high availability for IP phones in a CUCM design?

A collaboration designer must ensure that inter-cluster calls between two CUCM clusters remain secure. Which mechanism must be implemented to ensure media remains encrypted from end to end?

Which network condition is the most significant contributor to poor voice quality in a VoIP environment?

In the context of collaboration design, what is the purpose of the 'Location' in CUCM?

When designing for high availability of Cisco Unified Communications Manager (CUCM) services, which specific configuration ensures that a secondary node takes over call processing if the primary node fails?

A collaboration engineer is preparing a Cisco Unified Communications Manager cluster for a new site that requires the Cisco 8845 IP Phone to operate in a secure environment. The security team mandates that all signaling and media between the phone and CUCM be encrypted, and that the phone authenticate to CUCM using a locally significant certificate (LSC). Which action must the engineer take first to ensure the phone can obtain an LSC and register securely?

A company is deploying a centralized Cisco Unified Communications Manager (CUCM) cluster with a single publisher and two subscribers. The publisher is located in the data center, and the subscribers are in the same data center. Branch offices connect via a WAN. The design team wants to ensure that IP phones at the branches can register and make calls even if the WAN link fails. Which CUCM feature should be implemented to achieve this?

A company is deploying Cisco Unified Communications Manager in a centralized call processing model with remote branches connected via a WAN. The network team wants to ensure that if the WAN link fails, IP phones at the branch can still make calls to the PSTN. Which solution should be implemented at the branch?

Which design principle must be followed when implementing a centralized call processing deployment with remote branch offices connected via a WAN?

When designing a secure collaboration network, what is the best practice for handling certificates in a CUCM and Expressway cluster?

A collaboration administrator is deploying a new Cisco Unified Communications Manager (CUCM) cluster and needs to ensure that the publisher database is protected against corruption. The administrator plans to use the Disaster Recovery System (DRS) for backups. Which statement accurately describes a DRS backup requirement?

You are designing a Cisco Unified Communications Manager (CUCM) dial plan for a multinational company. The company has offices in North America, Europe, and Asia. Each region has its own PSTN gateway and dial plan requirements. The customer wants to minimize dial plan complexity and ensure that users can dial local numbers as they are accustomed to. Which approach should you recommend?

A collaboration engineer is designing a CUCM cluster with two nodes: a publisher and a subscriber. The engineer must ensure that the cluster can support 2500 IP phones and that call processing continues if the publisher fails. Which statement accurately describes the design requirement?

A network designer is planning a centralized call processing deployment with 20 remote sites. Each site has 50 IP phones and uses G.711 for internal calls. The designer must ensure that calls between sites use G.729 to conserve WAN bandwidth, but calls within a site use G.711. Which CUCM configuration element should be used to achieve this?

You are designing a high-availability solution for Cisco Expressway. Which element is required to load-balance traffic between multiple Expressway nodes?

You are designing a network for video collaboration. What is the recommended maximum one-way latency for high-quality video conferencing?

When deploying Cisco IP phones, what is the best practice for VLAN configuration?

What is the primary function of the CUBE in a SIP trunking scenario?

Which THREE of the following are necessary to ensure successful NTP deployment in a CUCM cluster?

Which TWO of the following are essential components of a Cisco network readiness assessment for collaboration?

A collaboration engineer is designing a Cisco Unified Communications Manager (CUCM) cluster for a company with 5000 users. The cluster will have one publisher and three subscribers. The engineer must ensure that the design supports high availability and that IP phones can register and make calls even if one subscriber fails. Which two statements are true regarding CUCM redundancy and device registration? (Choose two.)

A collaboration engineer is designing a SIP trunk between Cisco Unified Communications Manager (CUCM) and Cisco Unified Border Element (CUBE). The engineer must ensure that calls are routed correctly and that CUCM can send calls to CUBE. Which element should be configured on CUCM to point to CUBE as the next hop for calls destined to the ITSP?

When designing an NTP deployment for a Cisco Collaboration environment, what is the best practice for time synchronization across CUCM nodes?

Which component in a Cisco Collaboration design is responsible for providing the dial tone and call routing logic for IP phones?

You are designing a Cisco Collaboration deployment for a hospital where 911 calls must always be routed to the nearest Public Safety Answering Point (PSAP) based on the physical location of the calling device. The hospital has multiple buildings across a campus, and wireless IP phones (Cisco 8821) are used by nurses who roam between buildings. Which CUCM feature should you implement to ensure that emergency calls are routed with the correct location information?

Which service must be running for a Cisco IP Phone to download its configuration file via TFTP?

In a multisite WAN deployment, which codec should you choose to balance voice quality and bandwidth consumption across a constrained link?

A network engineer is deploying Cisco Unified Border Element (CUBE) and must ensure that voice traffic is prioritized correctly across the enterprise network. Which command correctly maps the voice traffic DSCP value to the correct priority queue in a Cisco IOS-XE router?

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

A network engineer is deploying a Cisco Unified Border Element (CUBE) for a SIP trunk to an ITSP. The ITSP requires that all outbound calls present a specific calling number and that the SIP From header contain the same number. The engineer must ensure that the calling number is manipulated correctly on the outbound dial peer. Which CUBE configuration command should be used to modify the calling number in both the From header and the P-Asserted-Identity header?

You are managing a Cisco Collaboration cluster and notice that database replication is stuck in a '3' (blocked) state. What is the standard troubleshooting step?

A company's main site runs a Cisco Unified Communications Manager (CUCM) cluster. They are adding a new remote branch that will have 50 IP phones. The branch has limited bandwidth and must survive a WAN outage with basic call functionality between local phones. Which design approach should be used at the branch?

In a Cisco collaboration design, you are tasked with identifying the DHCP Option required for Cisco IP Phones to discover the TFTP server address automatically. Which option is standard for this purpose?

Which THREE of the following items must be verified during a site-to-site VPN check for collaboration traffic?

You are designing a solution for secure voice signaling. Which protocol provides encryption for SIP signaling messages in a CUCM environment?

You are configuring DNS SRV records to support Jabber service discovery. Which domain format is correct for the _collab-edge._tls record?

Which log file is most useful for troubleshooting registration issues between an IP phone and CUCM?

You are designing Quality of Service (QoS) for a Cisco Collaboration deployment. The customer wants to ensure that voice traffic is prioritized over data traffic. Which marking should be applied to voice bearer traffic on Cisco IP Phones and switches?

You are verifying the network readiness for a Cisco TelePresence endpoint. Which tool would you use to measure the packet loss, latency, and jitter on the path to the CUCM cluster?

Which Cisco feature is used to ensure voice traffic is prioritized over web traffic on a Cisco access switch?

In a Cisco CUCM cluster, which node is responsible for managing the database and performing configuration updates?