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QUESTION: 36

If an Alcatel-Lucent 7750 LSR receives a labeled packet with a outer label TTL of 250 and an inner label TTL of 251, which of the following statements is true?

The packet will be label switched; the outer label TTL will be 249 and the inner label TTL will be 250.
The packet will be label switched; the outer label TTL will be 249 and the inner label TTL will be 251.
The packet will be label switched; both the outer label TTL and the inner label TTL will be 250.
The packet will be label switched; both the outer label TTL and the inner label TTL will be 249, because they must be the same.

Answer(s): B

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QUESTION: 37

Which of the following statements best defines an LSP?

An LSP is a bidirectional path across the MPLS domain.
An LSP is a bidirectional path for a particular FEC across the MPLS domain.
An LSP is a unidirectional path across the MPLS domain.
An LSP is a bidirectional path between adjacent LSRs.
An LSP is a unidirectional path between adjacent LSRs.

Answer(s): C

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QUESTION: 38

Click on the exhibit button below.

Given the following fast reroute protected LSPs:
-LSP1.R1-R4-R5-R3
-LSP2.R1-R4-R5-R2

Which routers become bypass tunnel PLRs? Choose two answers

Router R1
Router R2
Router R3
Router R4
Router R5

Answer(s): A,E

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QUESTION: 39

You wish to build an LSP originating on router R1, transiting the path R1-R2-R4-R5-R6, and terminating on router R6. How many strict hops would you define in your path statement?

Answer(s): A

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