Free Cisco 642-642 Exam Dumps Questions & Answers

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

DRAG DROP

Correct Answer:

Which technology is required when configuring FRF.12 on a Cisco device?

• A.  FRTS
• B.  FRF11.c
• C.  FRF.8
• D.  VoFR
• E.  WRED
• F.  MLP with interleaving

Based on the following 2950 switch configurations, which statement is correct?
no wrr-queue cos-map wrr-queue bandwidth 20 10 70 1 wrr-queue cos-map 4 5 wrr-queue cos-map 1 0 1 2 3 wrr-queue cos-map 3 6 7

• A.  Queue 3 is setup as the expedite queue.
• B.  Queue 1 is setup as the expedite queue.
• C.  Queue 4 is setup as the expedite queue.
• D.  Queue 2 is setup as the expedite queue.
• E.  No queue is setup as the expedite queue.

HOTSPOT

Correct Answer: