Free Nokia 4A0-107 Exam Questions

Become Nokia Certified with updated 4A0-107 exam questions and correct answers

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Total 235 Questions | Updated On: Feb 10, 2026

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Question 1

An IOM3 card of a Nokia7750 SR is enabled with the default scheduler and the policy shown in the image is

applied to an access port on this card. In which order will packets be scheduled out of the queues?

A : eue 3 within-CIR packets, then queue 4 within-CIR packets, then queue 3 and queue 4 above-CIR packets in round-robin.

B : Queue 4 within-CIR packets, then queue 3 within-CIR packets, then queue 3 and queue 4 above-CIRpackets in round-robin.

C : eue 3 within-CIR packets, then queue 4 within-CIR packets, then queue 3 above-CIR packets, andfinally queue 4 above-CIR packets.

D : eue 4 within-CIR packets, then queue 3 within-CIR packets, then queue 4 above-CIR packets, and finally queue 3 above-CIR packets.

Answer: B

Question 2

How does an IOM3 improve the queue usage over an IOM2 in a Nokia 7750 SR? (Choose two)

A : IOM3 adds more memory to both forwarding complexes which increases the total number of queues available.

B : IOM3 only contains a single forwarding complex which reduces the number of queues used.

C : IOM3 allows multiple forwarding classes to be assigned to a single queue.

D : IOM3 allows queues to be dynamically allocated between ingress and egress.

E : IOM3 has a larger CPU capable of tracking active hardware queue utilization and adjusting memory allocation accordingly.

Answer: B,D

Question 3

Which of the following statements about CIR of a queue is TRUE?

A : may exceed PIR of the queue.

B : may be exceeded by the average servicing rate of the queue.

C : varies depending on the traffic characteristics.

D : is the rate at which packets are forwarded out of the queue.

Answer: D

Question 4

Click the exhibit button below. Given that the slope-policy (below) has been enabled and applied on a network

port, which of the following statements are TRUE? (Choose three)

A : l out-of-profile traffic will be dropped before any in-profile is dropped.

B : time average factor of 0 will discard all packets arriving in the shared buffer pool.

C : When the shared buffer utilization reaches 51%, in-profile packets might be dropped.

D : The highest probability with which an out-of-profile packet can be dropped is 20%.

E : When an in-profile packet arrives and the shared buffer utilization is at 69%, the packet will haveapproximately a 60% likelihood of being discarded.

Answer: A,C

Question 5

Click the exhibit button below. The service provider has both a VLL (epipe) service and a VPLS, as shown in the diagram below.

At router PE B, traffic arriving from both services will have the same network-queue policy applied.

A : UE

B : LSE

Answer: B

Page: 1 / 47

Total 235 Questions | Updated On: Feb 10, 2026

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