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

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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. Which statement is true for an ephone-dn that has no COR applied?

A) Calls can be made from this ephone-dn only to another ephone-dn on the local router.
B) Calls can be made from this ephone-dn only to external numbers.
C) Calls cannot be made from this ephone-dn.
D) Calls can be made from this ephone-dn to all possible numbers from the local router.

2. What is the prerequisite for configuring Cisco AutoQoS VoIP on a Cisco catalyst switch?

A) Configure Cisco Express Forwarding.
B) Configure the mls qos global configuration command.
C) Configure correct bandwidth on all interfaces.
D) Configure trust boundaries.
E) Cisco Discovery Protocol version 2.

3. The two main commands that are required for low latency are priority and bandwidth. What is the function of the bandwidth command?

A) Allocates bandwidth to nonpriority classes.
B) Identifies a class as strict priority bandwidth.
C) Applies to a priority queue.
D) Identifies a class as a strict priority and allocates a bandwidth.

4. What is the reason that an outgoing call succeeds when there is no COR list that is applied to the incoming dial peer and a COR list is applied to the outgoing dial peer?

A) The outgoing dial peer, by default, has the lowest priority.
B) 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.
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) The incoming dial peer, by default, has the highest COR priority when no COR is applied.

5. What are the three acceptable values for one-way delay, jitter, and packet loss in a VoIP network? (Choose three.)

A) 30 ms for jitter
B) 0-400 ms for delay
C) 1 packet loss
D) 0-150 ms for delay
E) 1 percent packet loss
F) 20 ms for jitter

Solutions: