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Cisco Quality of Service (QoS) Sample Questions:

1. DRAG DROP
Drop

2. When LLQ is being configured, which IOS command is used to limit the traffic rate on the priority queue even when the other class queues are not congested?

A) hold-queue
B) priority
C) police
D) queue-limit
E) bandwidth

3. DRAG DROP
Drop

4. Which two of the following statements about CBWFQ are correct? (Choose two.)

A) The CBWFQ scheduler provides a guaranteed amount of minimum bandwidth to each class.
B) Each CBWFQ traffic class is policed using a congestion aware policer.
C) CBWFQ services each class queue using a strict priority scheduler.
D) The class-default queue only supports WFQ.
E) Inside a class queue, processing is always FIFO, except for the class-default queue.

5. A major media company recently deployed a new converged network. The original network design used separate networks for graphics and video, interactive data, and voice. The company has been experiencing problems with voice traffic in the new converged network. Most of the time voice quality is perfectly acceptable. Periodically voice quality exhibits unacceptable choppy voice signals, and occasionally calls are dropped. At this time the company is not willing to simply add bandwidth to the network.
Which QoS solution would most likely help to resolve the problem?

A) Use TCP header compression and LFI to reduce delays.
B) Use advanced technologies to compress all video and graphics traffic on the network.
C) Use class-based weighted fair queuing to prioritize voice traffic with a higher weight than all other traffic.
D) Prioritize voice traffic as the highest priority to ensure that voice traffic is always serviced by the priority queue.

Solutions: