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Exam 200-301 topic 1 question 406 discussion

Actual exam question from Cisco's 200-301
Question #: 406
Topic #: 1
[All 200-301 Questions]

The OSPF Hello protocol performs which of the following tasks? (Choose two.)

  • A. It provides dynamic neighbor discovery.
  • B. It detects unreachable neighbors in 90 second intervals.
  • C. It maintains neighbor relationships.
  • D. It negotiates correctness parameters between neighboring interfaces.
  • E. It uses timers to elect the router with the fastest links as the designated router.
  • F. It broadcasts hello packets throughout the internetwork to discover all routers that are running OSPF.
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Suggested Answer: AC 🗳️
by vadiminski at May 14, 2021, 2:31 p.m.

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vadiminski
Highly Voted 3 years, 5 months ago
B: wrong, by default 40 seconds D: wrong, not only between neighbouring interfaces E: wrong, designated router is not elected based on its hello-response time, but on its priority / router ID F: wrong, multicast and not broadcast is used for hello packets This leaves us with the correct answers A & B
upvoted 45 times
vadiminski
3 years, 5 months ago
Correction, the DEAD timer is 40 sec by default, the hello timer is 10 sec for ethernet networks
upvoted 13 times
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Pkard
2 years, 11 months ago
Nice explanation but you must mean A & C. You already said B was wrong
upvoted 10 times
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[Removed]
Most Recent 7 months, 2 weeks ago
Selected Answer: AC
A & C are correct
upvoted 1 times
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[Removed]
2 years, 4 months ago
Selected Answer: AC
A and C is correct
upvoted 2 times
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DARKK
2 years, 5 months ago
Selected Answer: AC
Given answer is correct
upvoted 3 times
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SVN05
2 years, 5 months ago
B: wrong, by default 10 seconds(hello timer) & 40 seconds(dead timer) for ethernet networks. D: wrong, not only between neighbouring interfaces E: wrong, designated router is not elected based on its hello-response time, but on its priority / router ID F: wrong, multicast is used for Hello packets, not Broadcasts. This leaves us with the correct answers A & B Credits:- vadiminski
upvoted 1 times
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Community vote distribution
A (35%)
C (25%)
B (20%)
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