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 common usage of the MPLS EXP bits?

Options :

A : Each implementation can use them as they see fit

B : They are used to carry the Ethertype value

C : They are used to carry the TTL value

D : They are used to carry QoS classification

Answer: D

Question 3

Which of the following regarding MPLS encapsulation for VPRN services is TRUE?

Options :

A : The customer-s Layer 3 header is removed at the iLER

B : The customer-s Layer 2 header is removed at the iLER

C : The customer-s Layer 3 header is removed at the eLER

D : The customer-s Layer 2 header is removed at the eLER

Answer: A

Question 4

In a Layer 2 encapsulation using T-LDP, what does the first (top) label represent?

Options :

A : Tunnel Label

B : VC Label

C : Operational Control Word

D : UNI

Answer: A

Question 5

Which of the following best describes the flooding of traffic on a PE when unknown traffic is received on a mesh SDP?

Options :

A : Traffic is flooded to all SAPs in the service.

B : Traffic is flooded to all SAPs and spoke SDPs in the service

C : Traffic is flooded to all SAPs and mesh SDPs in the service

D : Traffic is flooded to all SAPs, spoke SDPs, and mesh SDPs in the service

Answer: B

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