Juniper Exam JN0-664 Topic 5 Question 46 Discussion

Actual exam question for Juniper's JN0-664 exam

Question #: 46
Topic #: 5

By default, which statement is correct about OSPF summary LSAs?

AAll Type 2 and Type 7 LSAs will be summanzed into a single Type 5 LSA

BThe area-range command must be installed on all routers.

CType 3 LSAs are advertised for routes in Type 1 LSAs.

DThe metric associated with a summary route will be equal to the lowest metric associated with an individual contributing route

Show Suggested Answer

Suggested Answer: C

OSPF uses different types of LSAs to describe different aspects of the network topology. Type 1 LSAs are also known as router LSAs, and they describe the links and interfaces of a router within an area. Type 3 LSAs are also known as summary LSAs, and they describe routes to networks outside an area but within the same autonomous system (AS). By default, OSPF will summarize routes from Type 1 LSAs into Type 3 LSAs when advertising them across area boundaries .

by Arlyne at Mar 21, 2025, 10:36 PM

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28 days ago

I disagree, I believe option B is the correct answer. The area-range command must be installed on all routers to enable summary LSAs.

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Cletus

10 days ago

I agree, the area-range command is essential for OSPF summary LSAs.

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Dana

19 days ago

I think option B is correct. The area-range command is needed for summary LSAs.

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Carman

29 days ago

I think the correct answer is D.

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Lenita

1 months ago

I think option D is the correct answer. The metric associated with a summary route should be the lowest metric of the individual contributing routes.

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