Chapter 8

"Do I Know This Already?"

1.A and D
2.A and B
5.B and C
8.B, C, D
9.A and B


1.Standard, stub, totally stubby, and NSSA.
2.All (standard, stub, totally stubby, and NSSA).
3.All except totally stubby.
5.Temporary LSA assigned to routes redistributed by an ASBR attached to an NSSA.
6.The only path out of the area is via a default route, which may be suboptimal should there be multiple exit points.
7.Minimizes the routing table and associated computations (SPF, event-driven changes).
8.Standard, non-backbone areas.
9.All internal routers in a stub area must have this same command so that all hellos agree on the stub area flag.
10.Null indicates no authentication, plaintext means that the password can be read with the aid of a protocol capture tool, and MD5 authentication uses a key number in combination with a password to create a hash value that is not decipherable if captured on the network.
11.A message digest is a hash value used to secure a password.
12.N1 or N2