Free Nokia 4A0-103 Exam Questions

Become Nokia Certified with updated 4A0-103 exam questions and correct answers

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Total 249 Questions | Updated On: Jun 17, 2026

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Question 1

Click on the exhibit.

Initially, all links along the path R1-R2-R4-R6 have 400Mbps unreserved bandwidth and all links along the path

R1-R3-R5-R6 have 800Mbps unreserved bandwidth. Shared Explicit reservation style is used and MakeBefore-Break is enabled. Both fully loose LSPs have been signaled as shown. Later, the configured bandwidth

for LSP-1 is changed to 400Mbps. Which of the following is TRUE?

A : ter a new path for LSP-1 is established on R1-R3-R5-R6, the old path is torn down.

B : ter the old path for LSP-1 is torn down, the new path is established on R1-R3-R5-R6.

C : P-1 will stay on R1-R2-R4-R6 because there is enough bandwidth on the existing path.

D : P-1 will be torn down because CSPF fails to find a new path.

Answer: C

Question 2

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

A : 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 3

Which of the following conditions must a router meet for an LSP path's RSVP session to exist? Choose two answers

A : router must build the Path State Block (PSB).

B : router must build the Reservation State Block (RSB).

C : router must build the Session State Block (SSB)

D : router must send the second RESV refresh message.

E : router must receive the second PATH refresh message.

Answer: A,B

Question 4

Which of the following about an LSP protected with facility FRR is TRUE?

A : LSP can use protection tunnels used by other LSPs.

B : LSP can use facility and one-to-one FRR simultaneously.

C : LSP is limited to link protection.

D : detour protection tunnel is created for this LSP.

Answer: A

Question 5

Which MPLS label mode saves label mappings received from all peer LSRs?

A : nservative label retention

B : beral label retention

C : Downstream on demand

D : Downstream unsolicited

Answer: B

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Total 249 Questions | Updated On: Jun 17, 2026

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