Routing TCP/IP, Volume I (CCIE Professional Development)

Chapter 11

A1:	Routes that are learned from another routing protocol, static routes, or a direct connection to the destination network can be redistributed into a routing domain.
A2:	In contrast to metrics, which are used to determine the best path among multiple routes to the same destination discovered by the same routing protocol, administrative distances are used to determine the best path among multiple routes to the same destination discovered by different routing protocols.
A3:	A route to a destination within a routing domain with a higher administrative distance can be redistributed into a routing domain with a lower administrative distance. If that route is redistributed back into the higher-distance domain, packets might be misrouted ...