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

1. Which three methods are used by a Cisco Unified Border Element to provide network hiding? (Choose three.)

A) Back-to-back user agent, replacing all H.323-embedded IP addressing
B) IP network security boundary
C) Intelligent IP address translation for RTP flows
D) IP network privacy and topology hiding
E) RSVP
F) Media flow-through

2. Refer to the exhibit.

Cisco 642-437 Exam
When an inbound PSTN call from 4087071222 arrives at the ISDN port that is shown in the exhibit, which dial peer will be matched for the inbound leg?

A) Dial-peer 123, because incoming called-number takes precedence over answer-address.
B) Although dial-peer 123 takes precedence, there is no port that is configured under dial-peer 123, therefore dial-peer 2123 will be selected.
C) Although dial-peer 123 takes precedence, there is no direct-inward-dial that is configured, therefore 2123 will be selected.
D) Dial-peer 2123, because answer-address takes precedence over incoming called-number.
E) The matching inbound dial peer will be selected at random.

3. DRAG DROP
Drag the statement from the left to the protocol name that is associated with it on the right.

4. Which statement about a dial peer is true?

A) A dial peer describes the number and pattern of digits that a user dials to reach a particular phone number.
B) A dial peer is used to control the number of digits that are stripped before the dialed string is passed to the telephony interface.
C) A dial peer manipulates digits in a dial string before it passes the dial string to the telephone device.
D) A dial peer is similar to static routes; it defines where calls originate and terminate and which path the calls take through the network.

5. When troubleshooting poor VoIP call quality, which two tools should you use to measure the overall metrics? (Choose two.)

A) quality of experience
B) signal-to-noise ratio
C) mean opinion score
D) R-Factor
E) quality of service

Solutions: