Free Nokia 4A0-100 Exam Questions

Become Nokia Certified with updated 4A0-100 exam questions and correct answers

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Total 40 Questions | Updated On: Sep 09, 2025

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Question 1

Which of the following statements about a physical router interface is FALSE?

A : It is associated with a port.

B : It is used to connect to other routers or to customer hosts.

C : It can be associated with an IP address and with a prefix length.

D : It can be of type system or loopback.

Answer: D

Question 2

Which of the MPLS routers is responsible for pushing new labels for LSP A and LSP B?

A : Router R1 pushes labels for both LSP A and LSP B.

B : Router R4 pushes labels for both LSP A and LSP B.

C : Router R1 pushes labels for LSP A, while router R4 pushes labels for LSP B.

D : Router R4 pushes labels for LSP A, while router R1 pushes labels for LSP B.

Answer: A

Question 3

In an MPLS network, which device is responsible for taking an unlabeled packet and encapsulating it with an MPLS label?

A : gress Label Edge Router

B : ress Label Edge Router

C : bel Switching Router

D : Next Hop Router

Answer: A

Question 4

What is the sequence of messages sent by a host when it attempts to ping a destination for which it has no Address Resolution Protocol (ARP) cache entry?

A : MP echo request, ARP request, ARP reply, ICMP echo reply

B : P request, ARP reply, ICMP echo request, ICMP echo reply.

C : ICMP echo request, ICMP echo reply, ARP request, ARP reply.

D : MP echo request, ARP reply, ARP request, ICMP echo reply.

Answer: B

Question 5