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4A0-C02 – Nokia SRA Composite Exam

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Showing 7–9 of 20 questions

Question 7 (Nokia Virtual Private LAN Services)

Why is MAC explosion a factor to be considered when designing a large VPLS network? (Choose 2)

Select all that apply, then click Submit answer.

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    The time to relearn thousands of MAC addresses may result in excessive flooding or loss of packets.
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    If the FDB reaches the limit, the router will discard frames.
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    Discarding frames when the FDB limit is reached could deny SLA guarantees.
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    It could take several seconds to relearn thousands of MAC addresses denying QoS/SLA guarantees.
Question 8 (Nokia Quality of Service)

Click the exhibit button below. Given this scheduler-policy configuration, which of the following can be said about the scheduler called "high"? (Choose two)

C:\Documents and Settings\user-nwz\Desktop\1.JPG

Select all that apply, then click Submit answer.

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    It is a parent scheduler.
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    It is the top-level scheduler.
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    It can allocate up to 50 Mbps of bandwidth to scheduler "low" since the bandwidth is not used by another Tier 3 scheduler.
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    It is a child scheduler.
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    It can only have queues as children.
Question 9 (Nokia Quality of Service)

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)

C:\Documents and Settings\user-nwz\Desktop\1.JPG

Select all that apply, then click Submit answer.

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    All out-of-profile traffic will be dropped before any in-profile is dropped.
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    The time average factor of 0 will discard all packets arriving in the shared buffer pool.
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    When the shared buffer utilization reaches 51%, in-profile packets might be dropped.
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    The highest probability with which an out-of-profile packet can be dropped is 20%.
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    When an in-profile packet arrives and the shared buffer utilization is at 69%, the packet will have approximately a 60% likelihood of being discarded.