Cisco 200-125 Exam
What information does a router running a link-state protocol use to build and maintain its topological database? (Choose two.)
- A. hello packets.
- B. SAP messages sent by other routers.
- C. LSAs from other routers.
- D. beacons received on point-to-point links.
- E. routing tables received from other link-state routers.
- F. TTL packets from designated routers.
Answer: Option A. C.
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