Implementing Cisco IP Routing (CCNP ROUTE, legacy) — Question 203

Which statement is true about OSPF Network LSAs?

Answer options

• A. They are originated by every router in the OPSF network. They include all routers on the link, interfaces, the cost of the link, and any known neighbor on the link.
• B. They are originated by the DR on every multi-access network. They include all attached routers including the DR itself.
• C. They are originated by Area Border Routers and are sent into a single area to advertise destinations outside that area.

Correct answer: O, S, P, F

Explanation

Option B is correct because OSPF Network LSAs are indeed originated by the Designated Router on multi-access networks and include all routers attached to that network. Option A is incorrect as it misstates the origin of LSAs, and Option C is also wrong because it describes the function of Summary LSAs, not Network LSAs.