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: Apr 01, 2026

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Question 1

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 2

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

Question 3

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 4

As described by the CSMA/CD algorithm, what is the first thing to happen when Host A and Host B begin transmitting data at the same time?

A : t A and B will generate a jam signal

B : tening hosts will request retransmission.

C : t A or B will retry the transmission.

D : back-off timer is started by Host A or B.

Answer: A

Question 5

How do ATM and Frame-Relay protocols differentiate multiple customers or traffic types on the same physical wire?

A : ey use virtual circuits to create a logical separation of traffic.

B : ey use subnetting to create a logical separation of traffic

C : ey use VLANs to create a logical separation of traffic.

D : They use IP header information to create a logical separation of traffic.

Answer: A

Page: 1 / 8

Total 40 Questions | Updated On: Apr 01, 2026

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