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Exam 300-115 topic 4 question 193 discussion

Actual exam question from Cisco's 300-115
Question #: 193
Topic #: 4
[All 300-115 Questions]

A network engineer is considering implementing UDLD throughout the network. Which option must the network engineer consider?

  • A. UDLD aggressively disables the port after eight failed retries to connect to neighbor.
  • B. UDLD works at layer 1 of the OSI model.
  • C. UDLD is an IEEE standard that can be configured on non-cisco devices.
  • D. UDLD is already enabled by default on all ports on cisco switches.
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Suggested Answer: A 🗳️
by KQ at Aug. 8, 2019, 3:54 a.m.

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KQ
5 years, 10 months ago
I think UDLD works at Layer 1 right?
upvoted 1 times
DimS
5 years, 10 months ago
No. It works at L2.
upvoted 2 times
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t41ch1nk0
5 years, 9 months ago
"UDLD is a Layer 2 (L2) protocol that works with the Layer 1 (L1) mechanisms to determine the physical status of a link." https://www.cisco.com/c/en/us/support/docs/lan-switching/spanning-tree-protocol/10591-77.html
upvoted 2 times
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C (25%)
B (20%)
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