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Exam 300-410 topic 1 question 121 discussion

Actual exam question from Cisco's 300-410
Question #: 121
Topic #: 1
[All 300-410 Questions]

Which OSI model is used to insert an MPLS label?

  • A. between Layer 2 and Layer 3
  • B. between Layer 5 and Layer 6
  • C. between Layer 1 and Layer 2
  • D. between Layer 3 and Layer 4
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Suggested Answer: A 🗳️
by [deleted] at July 27, 2022, 12:09 p.m.

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Sammy3637
5 months, 2 weeks ago
Selected Answer: A
While MPLS itself operates between Layer 2 (Data Link) and Layer 3 (Network), it is often referred to as a Layer 2.5 protocol because it operates in this space between the two layers.
upvoted 1 times
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inteldarvid
1 year, 11 months ago
Selected Answer: A
yes, OPTION A layer 2.5 layer 1 layer2 ----->HERE MPLS 2.5 <------ because mpls is fasther control plane L3 layer3 layer4 layer5 layer 6 layer7
upvoted 4 times
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C (25%)
B (20%)
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