In an IS-IS LSP, which TLV is used to advertise the router's directly connected neighbors?

IP Interface Address TLV (type 132)

Protocols Supported TLV (type 129)

A network administrator is troubleshooting a routing issue in an IS-IS network. The administrator suspects that a router's link-state database is corrupted. What is the most reliable way to verify the integrity of the link-state database?

Verify that the router's interfaces are up and that adjacencies are established with all neighbors.

Check the router's routing table to see if all routes are present and correct.

Run the SPF algorithm on the router and check for any errors in the calculation.

Compare the LSP sequence numbers and checksums across multiple routers to ensure they match.

What is the primary purpose of the link-state database (LSDB) in an IS-IS network?

To record the state of each neighbor adjacency for fault detection

To store the complete topology of the area or level, from which the shortest-path tree is computed

To cache the routing table entries learned from neighboring routers

To maintain a list of all reachable IP prefixes within the autonomous system

Which IS-IS PDU is used to describe the contents of a router's link-state database during database synchronization?

Partial Sequence Number PDU (PSNP)

Complete Sequence Number PDU (CSNP)

What is the purpose of the Partial Sequence Number PDU (PSNP) in IS-IS database synchronization?

To advertise the complete list of LSPs in the router's database

To establish a new adjacency with a neighboring router

To request missing LSPs from a neighbor or to acknowledge receipt of LSPs

To carry the actual topology information for the router's neighbors

Juniper NetworksCertified Specialist, Enterprise Routing and Switching (JNCIS-ENT)

Domain 6Objective 1

Link-State Database JN0-352 Practice Questions (Page 3)

Part of the IS-IS domain, which makes up ~15% of our current practice bank. Juniper Networks does not publish an official question count, but from its 90-minute exam (~35–60 total, ~5–9 in this domain), expect 1–1 from this objective — we provide 17 practice questions to prepare you well beyond it. (estimate)

17questions here

4free pages

6concepts

Questions 11–15

11foundation · easy
In an IS-IS LSP, which TLV is used to advertise the router's directly connected neighbors?
Select an answer first
12application · medium
A network administrator is troubleshooting a routing issue in an IS-IS network. The administrator suspects that a router's link-state database is corrupted. What is the most reliable way to verify the integrity of the link-state database?
Select an answer first
13foundation · easy
What is the primary purpose of the link-state database (LSDB) in an IS-IS network?
Select an answer first
14foundation · easy
Which IS-IS PDU is used to describe the contents of a router's link-state database during database synchronization?
Select an answer first
15foundation · easy
What is the purpose of the Partial Sequence Number PDU (PSNP) in IS-IS database synchronization?
Select an answer first

Finished these 5 questions?

Review the revealed explanations, or continue through the curriculum.

Next 5 questions →Back to JN0-352

Free Basic Practice is a study aid with revealable answers — not a scored exam. Examers.io is independent and not affiliated with or endorsed by Juniper Networks. “JN0-352” is a trademark of its owner, used for identification only.