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4A0-103 Exam Dumps - Alcatel-Lucent Multi Protocol Label Switching

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Question # 25

Click on the exhibit.

Two LSPs traverse the path R1-R2-R3. Both LSPs are configured with facility fast reroute and link protection. When router R1 is the PLR, which router becomes the Merge Point (MP) for this LSP?

A.

Router R1

B.

Router R2

C.

Router R3

D.

Router R4

E.

Router R5

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Question # 26

Which of the following about CSPF is TRUE?

A.

The tail-end router performs the CSPF calculation for an LSP.

B.

CSPF calculations are always performed on RSVP-TE based LSPs.

C.

The head-end router performs the CSPF calculation for an LSP.

D.

Each downstream router performs its own CSPF calculation for an LSP.

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Question # 27

Which of the following regarding the MPLS SWAP label operation is TRUE?

A.

The inner label will be exchanged with the MPLS outer label.

B.

The inner label will be exchanged for a new label.

C.

The outer label will be exchanged for a new label.

D.

All labels will be exchanged for one new label.

E.

All labels will be exchanged for an equal number of new labels.

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Question # 28

Click on the exhibit button below.

Which fields in this output uniquely identify the RSVP session belonging to a single LSP? (Choose three)

A.

Tunnel ID

B.

Name

C.

LSP ID

D.

To

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Question # 29

Click on the exhibit.

A fully loose LSP "toR6" is enabled with FRR protection. All links have the same cost. After the link between R2 and R4 goes down, FRR protection repairs the LSP and traffic traverses on R1-R2-R7-R8-R4-R6. Which of the following about this CSPF-enabled LSP on an Alcatel-Lucent 7750 SR is TRUE?

A.

The LSP will stay on the current path indefinitely unless another failure occurs.

B.

The LSP will stay on the current path until the resignal timer expires.

C.

The LSP will switchover to R1-R2-R3-R5-R6 after the resignal timer expires.

D.

The LSP will switchover to R1-R3-R5-R6 after the retry timer expires.

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Question # 30

Which of the following is NOT required to configure an Alcatel-Lucent 7750 SR as a PE router running 6PE?

A.

Configure BGP with the IPv6 address family.

B.

Configure BGP to add IPv6 Explicit Null labels.

C.

Configure a route policy to export IPv6 routes into BGP.

D.

Configure the nexthop core router as a BGP peer.

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Question # 31

Click on the exhibit button below. Assume the following:

- The protected path is R1-R2-R3-R6.

- Fast reroute one-to-one protection is enabled.

If the original LSP already has two labels, and router R2 has failed, how many labels will there be in packets on the detour path?

A.

1

B.

2

C.

3

D.

4

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Question # 32

An Alcatel-Lucent 7750 SR has its TE update threshold enabled with the up threshold set to 40%. The maximum reservable bandwidth on the link is 200M and 30M have already been reserved. When will a TE update be sent on this link?

A.

When the reserved bandwidth goes above 80M.

B.

When the reserved bandwidth goes above 40M.

C.

When an additional 80M bandwidth is reserved.

D.

When an additional 40M bandwidth is reserved.

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