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Exam 200-301 All Questions

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Exam 200-301 topic 1 question 595 discussion

Actual exam question from Cisco's 200-301
Question #: 595
Topic #: 1
[All 200-301 Questions]

Which QoS per-hop behavior changes the value of the ToS field in the IPv4 packet header?

  • A. Shaping
  • B. Policing
  • C. Classification
  • D. Marking
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Suggested Answer: D 🗳️

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[Removed]
8 months, 4 weeks ago
Selected Answer: D
D is correct
upvoted 1 times
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supervictor
1 year, 4 months ago
D. Marking The other options, shaping, policing, and classification, do not directly change the ToS field in the IPv4 packet header.
upvoted 1 times
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xyzboy
1 year, 6 months ago
the answer is correct
upvoted 1 times
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RougePotatoe
2 years, 1 month ago
It seems like this is correct? I don't see how this is CCNA level... https://www.cisco.com/c/en/us/support/docs/quality-of-service-qos/qos-packet-marking/10103-dscpvalues.html#anc22
upvoted 2 times
RougePotatoe
2 years, 1 month ago
Yes it is correct. Marking is a method that you use to modify the QoS fields of the incoming and outgoing packets. The QoS fields that you can mark are IPprecedence and differentiated services code point (DSCP) in Layer 3. The QoS group is a label local to the system to which you can assign intermediate marking values. You can use the QoS group label to determine the egress scheduling. DSCP is the equivalent to ToS but it interprets the field differently. https://www.cisco.com/c/en/us/td/docs/dcn/nx-os/nexus9000/101x/configuration/qos/cisco-nexus-9000-nx-os-quality-of-service-configuration-guide-101x/m-configuring-marking.pdf https://linuxreviews.org/Type_of_Service_(ToS)_and_DSCP_Values
upvoted 2 times
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