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Effective Study Techniques for the Nokia 4A0-103 Exam

Questions 1

Which of the following about RSVP refresh reduction on a Alcatel-Lucent 7750 SR is FALSE?

Options:
A.

RSVP generates a summary refresh message for each LSP.

B.

Message-IDs replace individual refresh messages.

C.

An LSP state change causes the Message-ID to be incremented.

D.

RSVP refresh reduction is disabled by default.

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Questions 2

Which of the following about an LSP protected with one-to-one FRR is TRUE?

Options:
A.

The LSP can use facility and one-to-one FRR simultaneously.

B.

The LSP is limited to node protection.

C.

A single protection tunnel is used for all LSPs with the same path.

D.

A detour protection tunnel is created for the LSP.

Questions 3

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

Options:
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.

Questions 4

All links have 1Gbps unreserved bandwidth initially and all LSPs have the least-fill feature enabled. After the two LSPs have been signaled as shown, two new LSPs are configured. LSP-3 is signaled first with 600Mbps reserved. LSP-4 is signaled after with 800Mbps reserved. All LSPs have the same setup and hold priorities. Which paths will CSPF choose for LSP-3 and LSP-4?

Options:
A.

LSP-3 takes R1-R3-R5-R6 and LSP-4 takes R1-R2-R4-R6.

B.

LSP-3 takes R1-R2-R4-R6 and LSP-4 takes R1-R3-R5-R6.

C.

LSP-3 takes R1-R3-R5-R6 and LSP-4 has no available path.

D.

LSP-3 takes R1-R2-R4-R6 and LSP-4 has no available path.

Questions 5

Which of the following describes constraint-based routing?

Options:
A.

A mechanism that implements opaque LSAs.

B.

A mechanism that computes routes based on specified requirements.

C.

A mechanism that ensures the IGP best route is used.

D.

A mechanism that enables LDP signaling to use a route other than the IGP best route.

Questions 6

Click on the exhibit.

4A0-103 Question 6

All links are operationally up initially. When the link between routers R4 and R6 goes down, what will router R1 do?

Options:
A.

Router R1 will switch traffic to the secondary path immediately.

B.

Router R1 will discard traffic until a new IGP route to router R6 is re-calculated.

C.

Router R1 will discard traffic because the secondary path isnot a fully strict path.

D.

Router R1 will signal the secondary path and switch traffic to it.

Questions 7

Which of the following about T-LDP on the Alcatel-Lucent 7750 SR is FALSE?

Options:
A.

T-LDP is used to provide an end-to-end session between two PE routers.

B.

T-LDP is used to signal service labels for Layer 2 services.

C.

T-LDP is used to establish transport tunnels for Layer 2 services.

D.

T-LDP is used in LDP over RSVP solution.

Questions 8

Click on the exhibit.

4A0-103 Question 8

An LSP traverses R1-R2-R4-R6 and facility fast reroute with link protection is enabled. All links have the same cost. Which of the following about PLRs and MPs is TRUE?

Options:
A.

R1, R2, and R4 can be PLRs; R6 is the MP.

B.

R1, R2, and R4 can be PLRs; R2, R4, and R6 are MPs.

C.

R1, R2, R3, R4, and R5 can be PLRs; R6 is the MP.

D.

R1, R2, R3. R4, and R5 can be PLRs; R2, R4, and R6 is the MP.

Questions 9

Which of the following modes are used by RSVP-TE on an Alcatel-Lucent 7750 SR?

Options:
A.

Independent control mode, downstream on demand

B.

Independent control mode, downstream unsolicited

C.

Ordered control mode, downstream on demand

D.

Ordered control mode, downstream unsolicited

Questions 10

Click on the exhibit.

4A0-103 Question 10

Why might router R2 have a Link LDP session to R1 (10.10.10.1:0) but not to R3 (10.10.10.3:0)?

Options:
A.

LDP is not configured on R2.

B.

R2 does not have a route to 10.10.10.3.

C.

LDP is not configured on R3's interface to R2.

D.

The targeted session is not configured on R2.

Exam Code: 4A0-103
Certification Provider: Nokia
Exam Name: Alcatel-Lucent Multi Protocol Label Switching
Last Update: Jan 24, 2025
Questions: 249

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