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Exam 200-301 topic 1 question 362 discussion

Actual exam question from Cisco's 200-301
Question #: 362
Topic #: 1
[All 200-301 Questions]


Refer to the exhibit. The show ip ospf interface command has been executed on R1. How is OSPF configured?

  • A. A point-to-point network type is configured.
  • B. The interface is not participating in OSPF.
  • C. The default Hello and Dead timers are in use.
  • D. There are six OSPF neighbors on this interface.
Show Suggested Answer Hide Answer
Suggested Answer: C 🗳️
From the output we can see there are Designated Router & Backup Designated Router for this OSPF domain so this is a broadcast network (point-to-point and point-to-multipoint networks do not elect DR & BDR).
By default, the timers on a broadcast network (Ethernet, point-to-point and point-to-multipoint) are 10 seconds hello and 40 seconds dead. The timers on a non- broadcast network are 30 seconds hello 120 seconds dead.
From the line ג€Neighbor Count is 3ג€, we learn there are four OSPF routers in this OSPF domain.
Reference:
https://www.cisco.com/c/en/us/support/docs/ip/open-shortest-path-first-ospf/13689-17.html

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vadiminski
Highly Voted 3 years, 5 months ago
A is wrong because default and designated routers are in use B is obviously wrong D is wrong, the neighbour count is 3 C is correct, the default timers in broadcast networks (ethernet) are 10 seconds hello and 4*hello for the dead timer
upvoted 25 times
kunyo99
3 years, 5 months ago
Great Explanation
upvoted 6 times
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Most Recent 7 months, 2 weeks ago
Selected Answer: C
C is correct
upvoted 1 times
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[Removed]
1 year, 10 months ago
c by process of elimination
upvoted 2 times
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[Removed]
1 year, 11 months ago
Tricky Question
upvoted 1 times
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ZUMY
2 years, 2 months ago
C is correct
upvoted 1 times
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