Nokia 4A0-107 Exam Questions Instant Access

Question 1

Which action does the packet remarking process perform?

AIt determines the packet's forwarding class based on classification criteria

BIt modifies the current packet's forwarding class to indicate promotion or demotion

CIt sets the TOS, DSCP, EXP, or Dot1p field based on classification criteria

DIt modifies the current TOS, DSCP, EXP, or Dot1p marking to indicate promotion or demotion

Answer : C

Question 2

Click the exhibit button below. A partial SAP-ingress policy configuration is shown below. A UDP video stream is sent to a PC with IP address 192.168.1.100. Given the SAP-ingress policy, to which forwarding class is the traffic matched?

AAF

BEF

CH2

DH1

EBE

Answer : B

Question 3

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 4

Which of the following should be performed if a service provider does not want packets to make use of the shared buffer space when queued?

ASet the CBS to 0.

BSet the MBS equal to the CBS.

CSet the high-priority-only equal to the MBS.

DSet the MBS to 0.

ESet the high-priority-only to 0.

Answer : B

Question 5

Which of the following statements regarding the egress port scheduler is TRUE?

AThe egress port scheduler can have up to 17 children spread across 8 levels.

BMultiple egress port schedulers can be assigned to a single port with many HQoS children.

CMultiple HQoS policies can be children of a single port scheduler.

DMultiple egress port schedulers can be children of a single HQoS scheduler.

Answer : C

Question 6

Which of the following statements about CIR of a queue is TRUE?

AIt may exceed PIR of the queue.

BIt may be exceeded by the average servicing rate of the queue.

CIt varies depending on the traffic characteristics.

DIt is the rate at which packets are forwarded out of the queue.

Answer : D

Question 7

Click the exhibit button below. Given the scheduler-policy (below), how much bandwidth can the best-effort traffic receive (PIR and CIR) when the ingress rate of each queue is 10Mbps?

APIR = 4Mbps. CIR = 1Mbps

BPIR = 1Mbps, CIR = 1 Mbps

CPIR = 10Mbps, CIR = 1Mbps

DPIR = 5Mbps, CIR = 1.25Mbps

EPIR = 1.25Mbps, CIR = 1.25Mbps

Answer : B

Nokia Quality of Service 4A0-107 Exam Questions