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Question 1

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An LSP traverses R1-R2-R4-R6 and one-to-one fast reroute with link protection is enabled. All links have the

same cost. Which of the following about DMP and MP is TRUE?

Options :

A :

R3 and R5 become DMPs; R6 becomes MP.

B :

R3 and R5 become DMPs; R4 becomes MP.

C :

R3, R5, and R6 become DMPs; R4 becomes MP.

D : R1, R3, and R5 becomes DMPs; R4 and R6 become MPs.

Answer: A

Question 2

Which approach to LSP path diversity provides the most control, but the least flexibility?

Options :

A : Administrative Groups

B : Shared Risk Link Groups

C : Strict hop LSP paths

D :

Fast reroute

Answer: C

Question 3

Which default LDP parameter are you able to change with CLI?

Options :

A : Label space mode

B : Label retention

C : Control mode

D : Keepalive factor

Answer: D

Question 4

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 5

Click on the exhibit button below.

With fast reroute enabled, and given the following:

Two protected LSPs with the path R1-R2-R3

Both LSPs enable facility bypass and link protection.

When router R1 is the PLR, which router becomes the MP?

Options :

A : Router R1

B : Router R2

C : Router R3

D : Router R4

E : Router R5

Answer: B