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Exam 200-301 topic 1 question 355 discussion

Actual exam question from Cisco's 200-301
Question #: 355
Topic #: 1
[All 200-301 Questions]


Refer to the exhibit. What does router R1 use as its OSPF router-ID?

  • A. 10.10.1.10
  • B. 10.10.10.20
  • C. 172.16.15.10
  • D. 192.168.0.1
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Suggested Answer: C 🗳️
by dave1992 at Sept. 29, 2021, 11:27 p.m.

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ZUMY
2 years, 7 months ago
C is correct
upvoted 3 times
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hojusigol
2 years, 11 months ago
the highest IP address on any of the Routers Loopback Interfaces is selected as the OSPF Router ID
upvoted 2 times
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dave1992
3 years, 4 months ago
anyone want to explain how 172.16.15.10 is a higher ip address than 192.168.0.1??????????????????????????????????????
upvoted 1 times
1Abel1
1 month, 2 weeks ago
172.16.15.10 is the loopback interface that is configured on the router by the administrator, a loopback interface is a logical interface so it never goes down, so therefore it is preferred as the router's ID in this scenario.
upvoted 1 times
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WeaGLe
3 years, 4 months ago
Because that is the address of the loopback interface.
upvoted 13 times
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