Question 1

Which of the following about Alcatel-Lucent 7750 SR command "oam Isp-trace prefix" is FALSE?

Options :

A : The router performs a unidirectional LSP test.

B : The router collects hop information along the tunnel-s path.

C : The router uses MPLS Echo Request packets that are IP-routed,

D : The MPLS TTL values are incremented at each request.

Answer: C

Question 2

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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 3

Which of the following is TRUE when the explicit null is implemented?

Options :

A : The penultimate router will forward packets to the eLER, based on the IP header.

B : The eLER will receive packets with a top label value of 0.

C : The eLER will receive packets with a top label value of 3.

D : The penultimate router will pop the top label from the packets.

Answer: B

Question 4

Which of the following statements is true when the implicit null is implemented?

Options :

A : The penultimate router will POP the top label from the packets.

B :

The eLER will receive packets with a top label value of 3.

C :

The eLER will receive packets with a top label value of 0.

D :

The penultimate router will always receive unlabeled packets.

E :

The penultimate router performs a double lookup on the packet.

Answer: A

Question 5

Which of the following are the default settings for the Alcatel-Lucent 7750 SR when using LDP?

Options :

A : Ordered control mode; downstream on demand.

B : Ordered control mode; downstream unsolicited.

C : Independent control mode; downstream on demand.

D : Independent control mode; downstream unsolicited.

Answer: B