4A0-107 Nokia Quality of Service exact Exam Questions

Nokia Quality of Service

Last Update 12 hours ago Total Questions : 231

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Question # 11

Click the exhibit button below. Each router is interconnected by a single GigE link, as shown in the diagram below.

Note: The arrows show the direction of traffic flow.

Traffic from Customer A and Customer B that is classified to the same forwarding class is queued together at the ingress of Router B.

True

False

Question # 12

According to the configurations shown, which of the following statements about the classification and queuing of self-generated OSPF traffic is TRUE?

It will be classified into forwarding class BE and stored in queue 1.

It will be classified into forwarding class BE and stored in queue 8.

It will be classified into forwarding class NC and stored in queue 1.

It will be classified into forwarding class NC and stored in queue 8.

Question # 13

According to the SAP-egress policy configured and applied, which queue will forwarding class AF’s traffic use?

Policer 2 on the queue-group Q-Group1 instance 1.

Policer 1 on the queue-group Q-Group1 instance 1.

The default policer 1.

AF traffic is dropped.

Question # 14

Packets arrive at the VPLS SAP on PE1 with DSCP marking of af11 and Dot1p of 2. According to the QoS policies applied at routers PE1, P, and PE2, what is the DSCP value of packets egressing router PE2? (All the SDPs are MPLS-encapsulated, and all interfaces are using their default trust states).

af11

af21

af23

af31

Question # 15

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

PIR

CIR

MBS

burst-limit

Question # 16

Which of the following QoS functions does the slope-policy perform?

Classification

Marking

Queuing

Congestion management

Scheduling

Question # 17

Which of the following statements are TRUE? (Choose two)

The primary contributors to latency are distance, scheduling, and congestion.

The weighted round robin scheduling algorithm will result in more delay for high priority traffic than the regular round robin algorithm.

The round robin scheduling algorithm will result in less jitter for low priority traffic than a strict priority scheduler.

Packet loss can be reduced by decreasing the amount of buffer space available to a queue.

Latency can be reduced by increasing the amount of buffer space available to a queue.

Question # 18

On the Nokia 7750 SR, how many queues per FC are available for multipoint traffic within a VPLS on service ingress?

Question # 19

A frame belonging to a Layer 2 service is encapsulated in an MPLS tunnel at a network-egress port. Which of the following fields in the frame can be marked or remarked at the network egress port?

ToS

DSCP

PREC

EXP