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CCNP Routing and Switching ROUTE 300-101: Official Cert Guide by Kevin Wallace

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Chapter 10

1. D. The three incorrect answers list typical reasons for using route redistribution. The correct answer—the least likely reason among the answers for using route redistribution—lists a problem for which an OSPF virtual link is often used. Route redistribution could be attempted to solve a problem with a discontiguous OSPF area, but the redistribution completely changes the LSAs that would have otherwise been known and could have negative impacts on route summaries and cause routing loops, and have other problems as well.

2. B and D. For a router to redistribute routes between two routing protocols, the router must have both routing protocols configured, have a working link into each routing domain, and configure redistribute commands ...

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