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Exam 400-201 topic 2 question 7 discussion

Actual exam question from Cisco's 400-201
Question #: 7
Topic #: 2
[All 400-201 Questions]

Which are the two purposes of the MPLS label value 1? (Choose two.)

  • A. it is used for MPLS OAM packets.
  • B. it indicates an implicit null label.
  • C. it is used for VPNv6 packets.
  • D. it is used to carry the QoS value in the label stack.
  • E. it indicates an explicit null label.
  • F. it indicates a router alert label.
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Suggested Answer: CF 🗳️
http://www.cisco.com/c/en/us/support/docs/multiprotocol-label-switching-mpls/mpls/4649-mpls-faq-4649.html#qa3 http://www.iana.org/assignments/mpls-label-values/mpls-label-values.xhtml IPv4 Explicit NULL Label ----> 0

Router Alert Label ----> 1 -
IPv6 Explicit NULL Label -----> 2

Implicit NULL Label -----> 3 -
OAM Alert Labe -----> 14
by popkorn at Nov. 18, 2019, 10:17 a.m.

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popkorn
5 years, 7 months ago
and not VPNv6
upvoted 1 times
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popkorn
5 years, 7 months ago
this should be A - it is used for MPLS OAM packets.
upvoted 1 times
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