642-642  Exam

Exam # of questions Description  Update
642-642 79 CCIP Quality of Service (QoS)... 02/15/2011
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642-642 - Exam Information
  • Description: CCIP Quality of Service (QoS)
  • Passing Score: 75%
  • Practice Test - Number of questions: 79 questions
  • Simulation Test - Number of questions: 79 questions
  • Simulation Test Duration: 41 minutes
  • Has explanations: No

Question of the day

What are three reasons link efficiency mechanisms are deployed on WAN links? (Choose three.)

Answer(s)

  1. decrease delay
  2. decrease jitter
  3. increase link speed
  4. increase throughput
  5. decrease propagation delay
Correct Answer

decrease delay

decrease jitter

increase throughput