Question 1

Which of the following encapsulation types on an Ethernet port support the provisioning of multiple SAPs? (Choose 2)

Options :

A : Dot1Q

B : Q-in-Q

C : ATM

D : NULL

Answer: A,B

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

What happens by default on an Alcatel-Lucent 7750 SR when a VPLS accepts a tagged frame at the ingress SAP 1/1/1:100?

Options :

A : The FCS is verified and kept in the customer frame. The VLAN tag is kept and transported over the network

B : The FCS is verified and kept in the customer frame. The VLAN tag is removed for transport over the network

C : The FCS is verified and removed from the frame. The VLAN tag is kept for transport over the network

D : The FCS is verified and removed from the frame. The VLAN tag is removed for transport over the network

Answer: D

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 devices inspects the MPLS header in the received packet, and exchanges it for a new MPLS header?

Options :

A : iLER

B : LER

C : LSR

D : PE

Answer: C

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