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Exam 300-510 topic 1 question 179 discussion

Actual exam question from Cisco's 300-510
Question #: 179
Topic #: 1
[All 300-510 Questions]

An engineer configured OSPF on all routers in the data center in the same exchange as other routers. Layer 2 connectivity was established. Now, the engineer plans to implement BFD to detect failures in the forwarding path. Which action must the engineer take?

  • A. Configure IS-IS routing before implementing BFD.
  • B. Configure BFD between each adjacent router.
  • C. Configure BFD on any one of the routers.
  • D. Configure CEF before implementing BFD.
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Suggested Answer: D 🗳️
by snowbow at May 25, 2024, 5:42 p.m.

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74ff862
10 months, 1 week ago
Selected Answer: D
https://www.cisco.com/c/en/us/td/docs/ios/12_0s/feature/guide/fs_bfd.html
upvoted 1 times
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74ff862
10 months, 1 week ago
Selected Answer: B
CEF is not mandatory for BFD to work
upvoted 1 times
74ff862
10 months, 1 week ago
After doublechecking it, yes CEF is mandatory. sorry about that.
upvoted 2 times
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snowbow
1 year ago
Selected Answer: D
I've always read that cef was required for bfd.. I don't see a reason not to pick D
upvoted 2 times
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