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Exam 300-420 All Questions

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Exam 300-420 topic 1 question 121 discussion

Actual exam question from Cisco's 300-420
Question #: 121
Topic #: 1
[All 300-420 Questions]

A customer is discussing QoS requirements with a network consultant. The customer has specified that end-to-end path verification is a requirement. Which QoS solution meets this requirement?

  • A. IntServ model with RSVP to support the traffic flows
  • B. DiffServ model with PHB to support the traffic flows
  • C. marking traffic at the access layer with DSCP to support the traffic flows
  • D. marking traffic at the access layer with CoS to support the traffic flows
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Suggested Answer: A 🗳️

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Lungful
8 months, 3 weeks ago
Selected Answer: A
A is correct. https://learningnetwork.cisco.com/s/question/0D53i00000KsqtXCAR/qos-architecture-models-intserv-vs-diffserv
upvoted 1 times
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vangio
9 months, 2 weeks ago
Correct A
upvoted 1 times
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Sickcnt
1 year, 6 months ago
Selected Answer: A
"The main difference between integrated services and differentiated services is that <<integrated services involve prior reservation of resources before achieving the required quality of service>>, (while differential services mark the packets with priority and send it to the network without prior reservation.) "
upvoted 2 times
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certstudent2016
2 years ago
A is correct https://www.cisco.com/en/US/technologies/tk543/tk766/technologies_white_paper09186a00800a3e2f.html
upvoted 1 times
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A (35%)
C (25%)
B (20%)
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