A.Layer 2 point-to-point service

B.Layer 3 IP multipoint-to-multipoint VPN service

C.Layer 3 direct Internet access service

D.Layer 2 multipoint-to-multipoint service

A.A mechanism that allows the IGP shortest path to be used.

B.A mechanism that computes routes based on defined user requirements.

C.A mechanism that implements opaque LSAs.

D.A mechanism that allows RSVP or LDP signaling to use a route other than the IGP best route to establish a LSP.

A.1

B.4

C.5

D.6

A.sap 1/1/1

B.sap 1/1/1:0*

C.sap 1/1/1:200.*

D.sap 1/1/1:300:200

E.sap 1/1/1:*.0

F.sap 1/1/1:*

A.Configure level capabilities

B.Specify an area address

C.Enable IS-IS

D.Configure IS-IS interfaces