Question 1

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 2

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

Options :

A : Notification

B : Session

C : Discovery

D : Advertisement

Answer: C

Question 3

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 4

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

Question 5

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

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