Question 324 of 477 from exam JN0-360: Juniper Networks Certified Internet Specialist

Q: Click the Exhibit button.Referring to the exhibit, which two statements are correct? (Choose two.)

Type 2 LSAs are not created for this link.Designated router election does not occur on this link.

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Question

Click the Exhibit button.

Referring to the exhibit, which two statements are correct? (Choose two.)

Answers

A. Type 2 LSAs are not created for this link.

B. Type 2 LSAs are created for this link.

C. Designated router election does not occur on this link.

D. Designated router election occurs on this link.

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Explanations

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A. B. C. D.

A: Type 2 - Network LSA - the designated router (DR) on a broadcast segment (e.g. Ethernet) lists which routers are joined together by the segment. Type 2 LSAs are flooded across their own area only. The link-state ID of the type 2 LSA is the IP interface address of the DR.

C: Designated router (DR) and BDR election is done via the Hello protocol. Hello packets are exchanged via IP multicast packets (Appendix B) on each segment.

Multicast packets are not sent on p2p links.

https://en.wikipedia.org/wiki/Link-state_advertisement http://www.cisco.com/c/en/us/support/docs/ip/open-shortest-path-first-ospf/7039-1.html#t21

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