Nokia 4A0-107 Practice Questions| TestInsights

Question 1

How many tiers of schedulers can be supported in hierarchical scheduling on the Nokia 7750 SR?

Correct : B

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Question 2

Refer to the exhibit.

4A0-107 Exam Question 2 Exhibit 1

Based on the image shown above, and assuming that the default scheduler of the Nokia 7750 SR is on an IOM2 card, in which order will packets be scheduled?

AQueue 6 within-CIR packets, then queue 5 within-CIR packets, then queue 5 and queue 6 above-CIR packets in round-robin.

BQueue 6 within-CIR packets, then queue 5 within-CIR packets, then queue 5 and queue 6 above-CIR packets in biased round-robin.

CQueue 6 within-CIR packets, then queue 5 within-CIR packets, then queue 6 above-CIR packets, and finally queue 5 above-CIR packets.

DQueue 6 and queue 5 within-CIR packets in biased round-robin, then queue 5 and queue 6 above-CIR packets in round-robin.

Correct : B

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AQueue 6 within-CIR packets, then queue 5 within-CIR packets, then queue 5 and queue 6 above-CIR packets in round-robin.

BQueue 6 within-CIR packets, then queue 5 within-CIR packets, then queue 5 and queue 6 above-CIR packets in biased round-robin.

CQueue 6 within-CIR packets, then queue 5 within-CIR packets, then queue 6 above-CIR packets, and finally queue 5 above-CIR packets.

DQueue 6 and queue 5 within-CIR packets in biased round-robin, then queue 5 and queue 6 above-CIR packets in round-robin.

Question 3

When using an egress port scheduler, which scheduling loop priority are orphaned queues serviced on?

A1st

B8th

C9th

D17th

Correct : A

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A1st

B8th

C9th

D17th

Question 4

Assume all transmitted frames on a SONET port are 1500 bytes and that the average frame overhead has been configured as 10%. If the total bandwidth of all queues, excluding overhead, needs to be guaranteed at 55 Mbps, how much bandwidth should be configured for the egress port scheduler applied on that port?

A55 Mbps / 1.1 = 50 Mbps

B55 Mbps

C55 Mbps + 55 Mbps * 0.1 / 1.1 = 60 Mbps

D55 Mbps * 1.1 = 60.5 Mbps

Correct : D

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A55 Mbps / 1.1 = 50 Mbps

B55 Mbps

C55 Mbps + 55 Mbps * 0.1 / 1.1 = 60 Mbps

D55 Mbps * 1.1 = 60.5 Mbps

Question 5

Refer to the exhibit.

4A0-107 Exam Question 5 Exhibit 1

Traffic corresponding to a layer-3 VPN arrives at router PE1 marked with a dot1p value of 4. The SDP carrying the traffic uses an MPLS transport tunnel. Given the policies applied on the routers in the diagram, what is the EXP value of packets arriving at router PE2?

Correct : D

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