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

1. Which voice quality issue is described as voice clipping or skips?

A) serialization delay
B) propagation delay
C) jitter
D) fixed delay
E) packet loss
F) DSP delay

2. What equipment should you use if you want to route calls between a branch in a private network and a branch in a public network, hiding the networks between them?

A) Cisco Unified Communications Manager
B) H.323 gateway
C) MGCP gateway
D) Cisco Unified Border Element

3. How does LLQ ensure that voice traffic is always expedited?

A) The strict priority queue has a higher weight than the queues in CBWFQ. This weight allows the delay-sensitive data such as voice to be dequeued and sent first.
B) LLQ adds WRED to CBWFQ. This allows delay-sensitive data such as voice to be dequeued and sent first.
C) LLQ uses CBWFQ to prioritize voice traffic and by dequeuing the voice packets so they can be handled first.
D) The LLQ strict priority queue allows delay-sensitive data such as voice to be dequeued and sent first (before packets in other queues are dequeued), giving delay-sensitive data preferential treatment over other traffic.

4. Which path-selection strategy can be used to avoid expensive public switched telephone network calls when an existing network (IP) link exists between sites?

A) Tail-End Hop-Off
B) toll-bypass
C) site-code dialing
D) explicit preference

5. Which three are primary applications for classifying data on the network using QoS? (Choose three.)

A) best-effort applications
B) database applications
C) World Wide Web applications
D) transactional applications
E) mission-critical applications
F) any applications

Solutions: