Question 1

In MPLS, labels are distributed in the opposite direction of the data flow?

Options :

A : TRUE

B : FALSE

Answer: A

Question 2

What is the purpose of a T-LDP session?

Options :

A : It allows link LDP to be configured on the edge devices only

B : It is used to signal the transport labels in the provider core

C : It allows selective control over which devices are configured for LDP

D : It is used to signal the service labels in the provider core

Answer: D

Question 3

Which of the following LDP message categories is UDP-based?

Options :

A : Notification

B : Session

C : Discovery

D : Advertisement

Answer: C

Question 4

Which of the following about the BGP VPN-IPv4 address family is FALSE?

Options :

A : When a PE router receives an IPv4 prefix from its local CE, it creates a VPN-IPv4 prefix

B : VPN-IPv4 allows BGP to distinguish between duplicate prefixes originating from different customers.

C : In a VPRN, data traffic is carried in packets that have VPN-IPv4 addresses

D : VPN-IPv4 addresses are only present within the service provider network.

Answer: C

Question 5

Which of the following about CAC is FALSE?

Options :

A : CAC is used when the LSP path has not been computed by CSPF

B : CAC is used when the LSP path has been computed by CSPF

C : CAC is used to perform a bandwidth check on each egress interface of the downstream router

D : CAC is used to perform a bandwidth check based on the router-s LSDB

Answer: D

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