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: Jul 29, 2025

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Question 1

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 2

How does MPLS-TE overcome the issue of IP hyper-aggregation?

A : enabling the creation of LSPs across alternate links to balance the network traffic.

B : By eliminating the requirement for core IP routing

C : not allowing more than one LSP to use a particular path.

D : By defining multiple LSPs across a network and implementing an IGP load balancing algorithm acrossthem.

Answer: A

Question 3

Fill in the blanks: The device at the beginning of an LSP is referred to as the_________, and the device at the end of an LSP is referred to as the ___________.

A : , P

B : R, LSR

C : R, LER

D : ER, eLER

E : ER, iLER

F : P, PE

Answer: D

Question 4

Using facility mode fast reroute, how does the PLR learn the address of the MP?

A : PLR issues an RSVP PATH message to the tail-end requesting the address of the MP.

B : The PLR learns the address of the MP from the ERO

C : The PLR learns the address of the MP from the RRO.

D : PLR learns the address of the MP from the targeted RSVP Hello message.

E : PLR knows the address of the MP is the same as the tail-end router.

Answer: C

Question 5

Click on the exhibit button below.

With fast reroute enabled, and given the following:

Two protected LSPs with the path R1-R2-R3

Both LSPs enable facility bypass and link protection.

When router R1 is the PLR, which router becomes the MP?

A : uter R1

B : uter R2

C : uter R3

D : Router R4

E : uter R5

Answer: B

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Total 249 Questions | Updated On: Jul 29, 2025

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