A.They use shortest path first algorithms, exchange copies of routing tables between routers and maintain knowledge of links on non adjacent routers.

B.They use shortest path first algorithms, do not exchange copies of routing tables between routers and do maintain knowledge of links on non adjacent routers.

C.They periodically exchange copies of routing tables between adjacent routers and do not maintain any knowledge of links on non adjacent routers.

D.They periodically exchange copies of routing tables between adjacent routers and maintain knowledge of links on non adjacent routers.

A.Customer ID and SAP ID.

B.SAP ID and Service ID.

C.SDP ID and VC ID.

D.SDP ID and SAP ID.

E.SDP ID and Service ID.

F.Customer ID and Service ID.

A.12

B.3

C.6

D.1

A.The service label is swapped for a transport label during transport.

B.Labels are initially added at the ingress PE.

C.The service label is used to identify which VPRN a packet belongs to.

D.The transport label is used to forward packets between PEs.

A.Enable fast-reroute on all routers along the path. R1, R2, R4, and R6.

B.Enable link-protection only on router R4.

C.Enable fast-reroute with either one-to-one or facility mode on this LSP.

D.Enable both link-protection and node-protection on router R1.