A.Responds in real time to network failures.

B.Can only be used for routing within an autonomous system.

C.Uses a hop-count metric to determine the best route to a network.

D.Explicitly defines the next-hop based on operator input.

A.PPP supports multipoint access networks with many stations. The all 1's acts as a broadcast.

B.PPP supports multipoint access networks with many stations. The all 1's acts as a multicast.

C.PPP supports point-to-point networks only. The address field is fixed.

D.PPP supports point-to-point networks only. The address field can change dynamically since every station is assigned a PPP address.

A.IP filters can be created to filter based on IP and MAC addressing.

B.The default action of an IP filter is to forward packets.

C.By default, no IP filter is applied to an interface.

D.IP filters can be applied on inbound traffic, outbound traffic, or both.

A.Routers periodically send a copy of their routing table to their neighbors.

B.Routers flood link information throughout the entire area.

C.Network converges quickly (within several seconds) after a topology change.

D.Routers do not have precise knowledge of the entire network topology.

A.An Internet content provider

B.An Internet service provider

C.An enterprise

D.A regional Internet registry