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4A0-107 Exam Dumps : Nokia Quality of Service

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Nokia Quality of Service Questions and Answers

Question 1

Click the exhibit button below. Given the scheduler-policy (below), which of the following can be done to guarantee that the best-effort traffic receives its configured CIR value?

Options:

A.

Change the CIR-level value for the best-effort queue to 8.

B.

Do not change anything; it is already guaranteed to receive its CIR

C.

Change the CIR-level value for the best-effort queue to 1.

D.

Change the CIR-weight value of the AF queue to 0.

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Question 2

Which of the following statements about burst-limit of a queue is FALSE?

Options:

A.

Burst-limit sets a limit on the maximum burst of packets transmitted during each scheduler visitation time.

B.

Proper configuration of the burst-limit can prevent packet drops on the downstream nodes resulting from traffic bursts.

C.

The lower the configured burst limit value, the lower the burst allowed to enter the queue.

D.

If the burst-limit is not configured, a default burst-limit value will be used by the queue.

Question 3

Which of the following statements about the QoS treatment of self-generated traffic in the Nokia 7750 SR is FALSE?

Options:

A.

All self-generated traffic is assigned into forwarding class NC by default.

B.

Ingress self-generated traffic is stored in CPM queues and egress self-generated traffic is stored in IOM queues.

C.

The self-generated packets will be marked with a default DSCP value.

D.

The self-generated packets will be marked with default EXP bits.