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Which fields in this output uniquely identify the RSVP session belonging to a single LSP? (Choose three)

Answer(s): A,B,C

How many bits of the MPLS header are used for the label field?

Answer(s): B

Which of the following best describes constraint-based routing?

A mechanism that implements opaque LSAs.
A mechanism that computes routes based on defined user requirements.
A mechanism that allows the IGP shortest path to be used.
A mechanism that allows RSVP or LDP signaling to use a route other than the IGP best route to establish a LSP.

Answer(s): B