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

1. Calls are failing to egress the local PSTN gateway that uses an E1 PRI circuit. Which debug command would be most useful in determining which dialed digits are being sent to the PSTN?

A) debug isdn q921
B) debug isdn q931
C) debug voice dial-peer
D) ccapi inout

2. Which signaling protocol is proprietary to Cisco?

A) H.323
B) MGCP
C) SIP
D) SCCP

3. What is the reason that an outgoing call succeeds when COR is applied to the incoming dial peer, but no COR is applied to the outgoing dial peer?

A) The outgoing dial peer, by default, has the lowest priority.
B) The incoming dial peer, by default, has the highest COR priority when no COR is applied.
C) The COR list for incoming calls on the incoming dial peer is a superset of COR lists for outgoing calls on the outgoing dial peer.
D) COR lists for incoming calls on the incoming dial peer are not a superset of COR lists for outgoing calls on the outgoing dial peer.

4. Which queuing method is the basis for the low latency queuing?

A) class-based weighted fair queuing
B) weighted fair queuing
C) custom queuing
D) weighted random early detection

5. Refer to the exhibit.

Cisco 642-437 Exam
When a voice-signaling packet arrives at the router with a DSCP value of AF31, which two options describe how it will be treated? (Choose two.)

A) The packet will not match any class maps.
B) The packet will be marked as DSCP 46 because that is the first set statement in the policy map.
C) The packet will be re-marked as DSCP 26 and then to AF31.
D) The packet will match class map voip-signaling.
E) The packet will be re-marked with a DSCP value of AF31.

Solutions: