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Cisco 642-437 Exam Syllabus Topics:

Cisco Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0) Sample Questions:

1. When Cisco Unified Communications Manager Express is used, which type of files are used to enable phone displays and operations?

A) phone firmware files
B) phone GUI files
C) Unified Communications Manager Express basic files
D) Unified Communications Manager Express TSP archive files

2. Which two options are Cisco recommendations for enabling Cisco Unified Border Element to perform a CAC? (Choose two.)

A) Cisco Unified Border Element gateways activating RSVP-based CAC, using the media flow-around command
B) two Cisco Unified Border Element gateways to enable RSVP-based CAC, with the media flow-through command configured
C) a voice service VoIP that is configured on the unique Cisco Unified Border Element to enable the CAC service
D) two Cisco Unified Communications Manager clusters interconnected using a Cisco Unified Border Element
E) an interconnection of a Cisco Unified Border Element and a Cisco Unified Communications Manager to support both voice and video calls

3. What does policy-based routing use to determine the next hop?

A) packet options that were developed by the network admin
B) MAC address lookup table
C) destination address
D) routing tables

4. What is the function of class-based marking?

A) Marking frames or packets sets information in the Layer 2 and Layer 3 headers of a packet so that the frame or packet can be identified and distinguished from other frames or packets in the same traffic flow.
B) Marking allows network devices to classify a packet or frame, based on a specific traffic descriptor.
C) Marking packets is based only on CoS value, IP precedence value or DSCP value allows Layer 3 frames to be identified and distinguished from other packets.
D) Marking frames based only on CoS value or IP precedence value allows Layer 2 frames to be identified and distinguished from other frames.
E) Marking frames only sets information in the Layer 2 headers of a frame so that the frame can be identified and distinguished from other packets or frames.

5. Refer to the exhibit.

Which two of the following implementation methods will resolve the issue of overlapping extension numbers? (Choose two.)

A) Implement an intersite prefix that does not conflict with the digits 1 or 2.
B) Implement a private numbering plan.
C) Implement a site code for each site that does not start with the digits 1 or 2.
D) Implement an intersite prefix and a site code for each site. The prefix and site codes should not overlap with the extension numbers.
E) Assign a unique username to each extension.

Solutions: