Question 1

Which MPLS label mode saves label mappings received from all peer LSRs?

Options :

A : Conservative label retention

B : Liberal label retention

C : Downstream on demand

D : Downstream unsolicited

Answer: B

Question 2

Which of the following about Fast Reroute link protection tunnels is FALSE?

Options :

A : Link protection tunnels are established if a router is unable to establish node protection tunnels.

B : Link protection tunnels are only requested for a primary LSP path.

C : Link protection tunnels can be created for both one-to-one or facility Fast Reroute.

D : Link protection tunnels detour around a failed next downstream router.

Answer: D

Question 3

Which of the following conditions must a router meet for an LSP path's RSVP session to exist? Choose two answers

Options :

A : The router must build the Path State Block (PSB).

B : The router must build the Reservation State Block (RSB).

C : The router must build the Session State Block (SSB)

D : The router must send the second RESV refresh message.

E : The router must receive the second PATH refresh message.

Answer: A,B

Question 4

Which of the following about RSVP-TE on an Alcatel-Lucent 7750 SR is TRUE?

Options :

A : Label bindings are distributed to other routers when explicitly requested.

B : Label bindings are distributed to all neighbors including non-downstream routers.

C : Label bindings are distributed if labels have not been received from downstream routers.

D : All labels received from downstream neighbors are stored in the LIB.

Answer: A

Question 5

True or False? MPLS may use an existing data link layer header field to identify a label, instead of using a specific MPLS header

Options :

A : TRUE

B : FALSE

Answer: A

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