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: Jun 17, 2026

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Question 1

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 2

Which of the following statements about IP route summarization is FALSE?

A : It divides a customer IP address pool into smaller portions, each of which is assigned to a different subnet.

B : It reduces the size of the routers' forwarding tables.

C : It improves scalability of the network.

D : It increases routing advertisement stability.

Answer: A

Question 3

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 4

Which of the following statements about IP route summarization is FALSE?

A : It divides a customer IP address pool into smaller portions, each of which is assigned to a different subnet.

B : It reduces the size of the routers' forwarding tables.

C : It improves scalability of the network.

D : It increases routing advertisement stability.

Answer: A

Question 5

Which of the following enables service providers to support multiple customers with the same VLAN ID over the same backbone?

A : VLAN Trunking

B : VLAN Stacking

C : VLAN Tagging

D : VLAN Routing

Answer: B

Page: 1 / 8

Total 40 Questions | Updated On: Jun 17, 2026

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