A.Level 2 areas

B.Not so stubby areas

C.Level1 area WC

D.Partially stubby areas

E.Stub areas

A.10 and 30 seconds

B.5 and 20 seconds

C.10 and 40 seconds

D.5 and 15 seconds

A.Send information about directly connected links to neighbors at periodic intervals.

B.Use holddown timers when topologies change to allow for convergence.

C.Use split horizon by default.

D.Maintain multiple databases: neighbor, topology and routing.

A.OSPF is not enabled on one of the routers

B.The MTU does not match on both interfaces

C.A OSPF Hello has not been received from the neighbor

D.The Router ID is the same on both routers

A.Selected labels from the RIB are populated to the FIB.

B.Selected labels from the FIB are populated to the LFIB.

C.Selected labels from the LIB are populated to the LFIB.

D.Selected labels from the LIB are populated to the FIB.