In IS-IS, what is the primary purpose of a Level 1-2 adjacency?

It is a special adjacency used only between two designated intermediate systems (DIS) on a broadcast network.

It is a temporary adjacency state used during the initial database synchronization process.

It allows a router to exchange routing information with both Level 1 and Level 2 routers in the same area.

It is an adjacency that carries both hello and link-state PDU traffic on the same physical interface.

Juniper NetworksCertified Specialist, Service Provider Routing and Switching (JNCIS-SP)

Domain 3Objective 4

Adjacencies and Neighbors JN0-364 Practice Questions (Page 5)

Part of the Intermediate System to Intermediate System (IS-IS) domain, which makes up ~12% of our current practice bank. Juniper Networks does not publish an official question count, but from its 90-minute exam (~35–60 total, ~4–7 in this domain), expect 1–1 from this objective — we provide 21 practice questions to prepare you well beyond it. (estimate)

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Questions 21–21

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In IS-IS, what is the primary purpose of a Level 1-2 adjacency?
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Adjacencies and Neighbors JN0-364 Practice Questions (Page 5)

Questions 21–21

In IS-IS, what is the primary purpose of a Level 1-2 adjacency?

Keep studying — Intermediate System to Intermediate System (IS-IS)