Nokia 4A0-107 Exam Practice Test Instant Access

Question 1

Which of the following fields in packets belonging to a Layer 3 service can be pre-marked on SAP-ingress?

ADot1p

BDEI

CEXP

DDSCP/PREC

Answer : D

Question 2

Which of the following about scheduling is TRUE?

AHQoS schedulers cannot be children of an egress port-scheduler.

BHQoS schedulers provide a dynamic method of allocating scheduling resources to queues.

CHQoS scheduler policies can be applied to an MDA to schedule network ingress traffic.

DA scheduler policy applied to multiple SAPs within the same service will result in a single hardware scheduler operating across all SAPs within the service.

Answer : D

Question 3

Which of the following is NOT a valid configuration value for a queue's CIR parameter within a SAP-ingress policy?

Bmin

Cmax D. 50000

Answer : B

Question 4

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

AQueue 3, because it is explicitly defined in the SAP-egress policy.

BQueue 2, because it is explicitly configured in the queue-group template.

CThe default, queue 1, because there is a mismatch between the mapping in the SAP-egress policy and in the queue-group template.

DAF traffic is dropped because there is a mismatch between the mapping in the SAP-egress policy and in the queue-group template.

Answer : A

Question 5

Which of the following statements about the token buckets of a policer is TRUE?

AWhen a packet arrives, the PIR bucket depth is checked and the packet is discarded if this bucket is full.

BThe CIR bucket of a policer is the reserved portion of its PIR bucket.

CThe CIR bucket of a policer has two thresholds: CBS and HPO.

DPackets processed by the PIR bucket at an average rate above PIR will be forwarded as out-of-profile.

Answer : A

Question 6

A SAP-ingress policy is configured so that ping traffic is classified as FC L1 and mapped to queue 3; however, all traffic is placed in queue 1. What is the most probable reason for this?

AThe default forwarding class for ICMP traffic is BE and cannot be changed.

BThe SAP has been shut down.

CQueue 3 has no PIR or CIR configured, and thus cannot hold any packets.

DThe SAP-ingress policy has not been applied to the SAP.

Answer : D

Question 7

Which of the following statements about behavior aggregate classification is TRUE?

AIt sets both the forwarding class and the packet's dot1p, lsp-exp, precedence, or dscp field to the same value.

BIt groups all packets together into a single aggregate stream, and gives all packets the same treatment.

CIt copies the three most significant bits in the packet's dscp field into the forwarding class.

DIt assigns a forwarding class based on the packet's dot1p, lsp-exp, precedence, or dscp value.

Answer : B

Nokia 4A0-107 Nokia Quality of Service Exam Practice Test