Cisco 642-642 Valid Q&A - in .pdf

  • 642-642 pdf
  • Exam Code: 642-642
  • Exam Name: Quality of Service (QoS)
  • Updated: Aug 30, 2025
  • Q & A: 87 Questions and Answers
  • Convenient, easy to study.
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  • Exam Code: 642-642
  • Exam Name: Quality of Service (QoS)
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  • Updated: Aug 30, 2025
  • Q & A: 87 Questions and Answers
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Cisco 642-642 Valid Q&A - Testing Engine

  • 642-642 Testing Engine
  • Exam Code: 642-642
  • Exam Name: Quality of Service (QoS)
  • Updated: Aug 30, 2025
  • Q & A: 87 Questions and Answers
  • Uses the World Class 642-642 Testing Engine.
    Free updates for one year.
    Real 642-642 exam questions with answers.
    Install on multiple computers for self-paced, at-your-convenience training.
  • Software Price: $59.98
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Cisco Quality of Service (QoS) Sample Questions:

1. What does the following command accomplish?
router(config-pmap-c)# shape fecn-adapt

A) enables the router to respond to FECN bits by creating test frames in the opposite direction with the BECN bit set
B) enables the router to lower the shaping rate when FECN bits are received
C) enables the router to increase the shaping rate when BECN bits are received
D) enables the router to lower the shaping rate when BECN bits are received
E) enables the router to increase the shaping rate when FECN bits are received
F) enables the router to respond to BECN bits by creating test frames in the opposite direction with the FECN bit set


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

A) decrease delay
B) decrease propagation delay
C) decrease jitter
D) increase throughput
E) increase link speed


3. DRAG DROP


4. Which mechanism is used for the prioritizing, protection, and isolation of traffic based on marking?

A) congestion avoidance
B) shaping
C) metering
D) congestion management
E) classification and marking
F) policing


5. Which two different traffic types have the most similar sensitivity to latency, jitter, and packet loss? (Choose two.)

A) voice
B) streaming video
C) SQL transactions
D) voice signaling
E) video conferencing
F) peer-to-peer file sharing


Solutions:

Question # 1
Answer: A
Question # 2
Answer: A,C,D
Question # 3
Answer: Only visible for members
Question # 4
Answer: D
Question # 5
Answer: A,E

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