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Nokia Quality of Service Exam (4A0-107) - Nk Actual Exam Questions

Last updated on May 01, 2026

97% Exam Compliance
231 Total Questions
1
Question

Which of the following statements is considered best practice when changing a network policy that has been associated with an interface?

Options
A

The policy should be placed in a "shutdown" state before changes are made.

B

A new network policy should be created and applied to the interface, overwriting the previous policy.

C

The policy must first be removed from the interface, then modified and re-applied to the interface.

D

Before the policy can be changed, it must be deleted with the no network qos <policy-id> command.

E

Before any changes are made to the policy, all network interfaces where the policy is applied have to be shut down.

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2
Question

Which priority-mode queue parameter may influence both the profile marking, and scheduling priority of a queue?

Options
A

PIR

B

CIR

C

MBS

D

burst-limit

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3
Question

Which of the following are NOT ingress matching criteria for a network policy? (Choose two)

Select 2
Options
A

TCP port numbers

B

LSP EXP

C

DSCP

D

Source and destination IP addresses

E

Dot1p priority

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4
Question

Which action should be taken to ensure that packets do not use the shared buffer space when put into a queue?

Options
A

Set the queue’s CBS to 0

B

Set the queue’s MBS equal to the CBS

C

Set the queue’s high-priority-only equal to the MBS

D

Set the queue’s MBS to 0

E

Set the queue’s high-priority-only to 0

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5
Question

Which of the following statements BEST describes where shaping mechanisms should be applied?

Options
A

On all ports on the Nokia 7750 SR.

B

At the junction of high-speed to low-speed links or at places of traffic aggregation.

C

At the junction of low-speed to high-speed links or at places of traffic aggregation.

D

On low-speed WAN links.

E

Nowhere. Shaping is only performed in hardware and serviced in a round-robin.

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