A.Label Switching Routers make routing decisions based on the original IP Header.

B.Label Switching Routers make decisions based on ATM header information.

C.Label Switching Routers make switching decisions based on the original MAC Header.

D.Label Switching Routers make forwarding decisions based on the MPLS label.

A.9 broadcast domains, 3 collision domains.

B.3 broadcast domains, 3 collision domains.

C.3 broadcast domains, 9 collision domains.

D.1 broadcast domain, 9 collision domains.

A.Space bar

B.Return

C.Tab

D.?

A.A PE router only connects to CE devices.

B.A PE router only connects to P routers.

C.PE routers support many different interface types connecting to CE devices.

D.A PE router connects to at least one CE device.

E.PE routers only support Ethernet interfaces connecting to the CE.

F.A PE router connects to at least one P router.

A.Responds in real time to network failures.

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

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

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