Cisco 642-437 : Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0)

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

1. What is the maximum number of digits that can be assigned to a European Subscriber Number using the European Telephony Numbering Space?

A) 10
B) 17
C) 7
D) 15

2. Assuming no cRTP or header compression. How many VoIP G.729 calls can be made simultaneously over a 128-kb/s Frame Relay circuit (Layer 3) if 50 percent of the circuit is dedicated to voice and 50 percent is dedicated to data?

A) 4
B) 5
C) 2
D) 1
E) 3

3. Refer to the exhibit.

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

4. 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) Although dial-peer 2123 takes precedence, it will not be matched because the command direct-inward-dial is missing.
B) The matching inbound dial peer will be selected at random.
C) Dial-peer 123, because destination-pattern takes precedence over answer-address.
D) Dial-peer 123 will be matched because dial-peer 2123 will strip all the digits.
E) Dial-peer 2123, because answer-address takes precedence over destination-pattern.

5. Which three functions are associated with MGCP? (Choose three.)

A) Users query the call agent to determine the location of the call recipient.
B) MGCP uses a separate channel for backhauling signaling information between the call agent and the gateway.
C) A PRI backhaul channel forwards PRI Layer 2 (Q.921) signaling information via a TCP connection from the gateway to the call agent.
D) A call agent uses control messages to direct its gateways and their operational behavior.
E) The gateway maintains a separate dial plan for redundancy in case the call agent fails.
F) Control is implemented by a series of plain-text commands that are sent over UDP port 2427 between Cisco Unified Communications Manager and the gateway.

Solutions: