Chapter 8
1. C. Only Area Border Routers (ABRs) create Type 3 LSAs, and R1 is identified as a router internal to area 51, so R1 is not an ABR. Internal routers can (actually must) create a Type 1 router LSA for themselves. Also, they create a Type 2 Network LSA if the router is a designated router (DR) and the DR forms at least one neighbor relationship.
2. C. The correct answer is the one advantage of using a single-area design. The three wrong answers are advantages of using a multi-area design, with all reasons being much more important with a larger internetwork.
3. B. Neighboring OSPF routers that complete the database exchange are considered fully adjacent and rest in a full neighbor state. The up/up and final states are not OSPF states ...
Get Cisco CCNA Routing and Switching ICND2 200-101 Official Cert Guide now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
