Nokia Multiprotocol Label Switching Practice Questions & Answers • ExamPrepare

Question 1

Consider the exhibit. Which of the following is an administrative constraint that can be used to ensure that an LSP follows the path R1-R2-R3-R6?

TE Metric
Loose hops
SRLG
Hop-limit

Select an answer above, then submit your vote. Reading or practicing does not cast a vote.

Question 2

When the "oam lsp-ping rsvp-te lsp-name lsp-toR2" command is issued, which of the following statements best describes what happens with the MPLS Echo Request packets?

They are sent within the RSVP-TE tunnel configured with the name "lsp-toR2".
They are IP-routed to the address specified in the configuration of "lsp-toR2".
They are not sent because "lsp-toR2" is an LDP tunnel.
They are not sent because the command is missing the far-end IP prefix.

Select an answer above, then submit your vote. Reading or practicing does not cast a vote.

Question 3

Which of the following is NOT a characteristic of LDP when ECMP is enabled?

The number of entries in the LIB remains unchanged after ECMP is enabled.
The number of entries in the LFIB increases when there are multiple equal cost paths to the FEC.
Hashing is used to select the egress label.
A router advertises multiple labels for a FEC when there are multiple paths to the FEC.

Select an answer above, then submit your vote. Reading or practicing does not cast a vote.

Question 4

Consider the exhibit. What might cause LDP to be operationally down on this router?

MPLS is in the administrative down state.
The router's system interface address is the same as another router's address.
The router's system interface does not have LDP enabled.
The router's system interface requires an IP address.

Select an answer above, then submit your vote. Reading or practicing does not cast a vote.

Question 5

Which of the following statements about LDP Fast Reroute is FALSE?

Allows protection for some FECs without waiting for IGP convergence in case of failure.
Failure protection is comparable to RSVP-TE FRR protection.
The head-end router must switch to the back-up LFA path in case of a failure.
An alternate back-up LFA path is used by each FEC in case of failure.

Select an answer above, then submit your vote. Reading or practicing does not cast a vote.

Question 6

Consider the exhibit. An LSP traverses the path R1-R2-R3. With one-to-one fast reroute enabled, which router becomes a DMP for the detour tunnels?

Select an answer above, then submit your vote. Reading or practicing does not cast a vote.