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Cisco Quality of Service (QoS) Sample Questions:
1. Refer to the exhibit. A typical configuration involving an IP phone with an attached PC is shown. According to QoS recommendations, at which demarcation line (shown as dotted lines) would the trust boundary normally exist?
A) B
B) C
C) D
D) A
2. DRAG DROP
Drop
3. 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) Prioritize voice traffic as the highest priority to ensure that voice traffic is always serviced by the priority queue.
B) Use TCP header compression and LFI to reduce delays.
C) Use class-based weighted fair queuing to prioritize voice traffic with a higher weight than all other traffic.
D) Use advanced technologies to compress all video and graphics traffic on the network.
4. DRAG DROP
5. Refer to the exhibit. According to the show output, which statement is true?
A) There is a total of 39,990 NetBIOS packets exiting the Fa0/0 interface.
B) The unknown protocol traffic statistics refer to all the traffic matched by the class-default traffic class.
C) NBAR protocol discovery has been enabled on the router through the use of the match protocol commands within the class-map.
D) The 5-minute average bits-per-second rate for all traffic entering the Fa0/0 interface is 398 kbps.
E) HTTP is the most active protocol on the Fa0/0 interface based on byte count.
Solutions:
Question # 1 Answer: A | Question # 2 Answer: Only visible for members | Question # 3 Answer: A | Question # 4 Answer: Only visible for members | Question # 5 Answer: E |