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Question 15 - JN0-664 discussion

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

A.
All Type 2 and Type 7 LSAs will be summanzed into a single Type 5 LSA
Answers
A.
All Type 2 and Type 7 LSAs will be summanzed into a single Type 5 LSA
B.
The area-range command must be installed on all routers.
Answers
B.
The area-range command must be installed on all routers.
C.
Type 3 LSAs are advertised for routes in Type 1 LSAs.
Answers
C.
Type 3 LSAs are advertised for routes in Type 1 LSAs.
D.
The metric associated with a summary route will be equal to the lowest metric associated with an individual contributing route
Answers
D.
The metric associated with a summary route will be equal to the lowest metric associated with an individual contributing route
Suggested answer: C

Explanation:

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 .

asked 18/09/2024
Thanh Phan
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