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Exam 300-320 topic 1 question 174 discussion

Actual exam question from Cisco's 300-320
Question #: 174
Topic #: 1
[All 300-320 Questions]

Two companies want to merge their OSPF networks, but they run different OSPF domains. Which option must be created to accomplish this requirement?

  • A. OSPF virtual link to bridge the backboneareas of the two companies together
  • B. Area on the ASBR of each company with the same area ID to bridge the networks together
  • C. redistribute routes between domains
  • D. NSSA on the ASBR of each company
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Suggested Answer: C 🗳️
by malahughes at June 21, 2019, 2:02 p.m.

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Cruxten
4 years, 10 months ago
Redistribution does not "merge" the OSPF networks together. It simply makes each OSPF instance aware of the others as external routes. Using a virtual link does merge the area 0's together. See the attached Cisco guide on "partitioning the backbone". The answer is A. https://www.cisco.com/c/en/us/support/docs/ip/open-shortest-path-first-ospf/7039-1.html#t15
upvoted 1 times
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Mahbod
4 years, 11 months ago
Trust me. it is A. Because of my English skills, I can't describe it.
upvoted 1 times
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Scheldon
5 years, 1 month ago
There is a lack of detailed information about OSPF configuration on both location so the best and safest answer is C. redistribute routes between domains
upvoted 2 times
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bella
5 years, 5 months ago
Answer A according to Kevin's pdf
upvoted 1 times
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Phoxtrot
5 years, 5 months ago
Why not A - create a virtual link?
upvoted 1 times
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malahughes
5 years, 5 months ago
It's A
upvoted 1 times
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