Nokia 4A0-107 Online Practice Questions and Exam Preparation

Nokia 4A0-107 Online Questions & Answers

• Question 21:

  Which of the following statements about network QoS policies is FALSE?

  A. Classification rules must specify both an FC and a profile for the packets.
  B. A network policy is applied at a physical port.
  C. Classification is performed with behavior-aggregate statements only.
  D. Match criteria can be chosen from dot1p, DSCP, and EXP fields in the packet.
  C. Classification is performed with behavior-aggregate statements only.

• Question 22:

  Which of the following fields is in the MPLS header?

  A. 802.1p bits
  B. Precedence
  C. DSCP
  D. EXP
  D. EXP

• Question 23:

  

  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?

  A. 2
  B. 3
  C. 5
  D. 6
  D. 6

• Question 24:

  Which of the following statements about CFHP policing hierarchy is FALSE?

  A. The root arbiter can be the parent of a tier 2 arbiter.
  B. A tier 1 arbiter can be the parent of a policer.
  C. A child policer can have a priority level from 0 to 10.
  D. Weight is used by a parent arbiter to allocate bandwidth among children of equal level
  C. A child policer can have a priority level from 0 to 10.

• Question 25:

  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.

  A. True
  B. False
  A. True

• Question 26:

  Based on queue usage, which of the following QoS-policies when combined will allow queue rates to be dynamically allocated? (Choose two)

  A. The slope-policy
  B. The SAP-ingress policy
  C. The network-queue policy
  D. The scheduler-policy
  E. The network-policy
  F. The WRED-policy
  G. The arbitrator-policy
  B. The SAP-ingress policy
  D. The scheduler-policy

• Question 27:

  Which of the following traffic types is typically rate-limited by applying shaping and soft-policing on access ingress?

  A. Self-generated
  B. Real-time
  C. Best-effort
  D. Assured
  C. Best-effort

• Question 28:

  Which of the following statements is considered best practice when changing a network policy that has been associated with an interface?

  A. The policy should be placed in a "shutdown" state before changes are made.
  B. A new network policy should be created and applied to the interface, overwriting the previous policy.
  C. The policy must first be removed from the interface, then modified and re-applied to the interface.
  D. Before the policy can be changed, it must be deleted with the no network qos command.
  E. Before any changes are made to the policy, all network interfaces where the policy is applied have to be shut down.
  B. A new network policy should be created and applied to the interface, overwriting the previous policy.

• Question 29:

  Which of the following statements about configuring queues to use shared or reserved buffer space is FALSE?

  A. When queues use shared buffer space, buffers are more efficiently utilized.
  B. Queues that use reserved buffer space will have memory available for their reserved portion.
  C. When a queue is not using its reserved portion, other queues can use it.
  D. Using reserved buffer space prevents a queue from being starved of buffer resources by other queues.
  C. When a queue is not using its reserved portion, other queues can use it.

• Question 30:

  Which of the following parameters is taken into account FIRST when a CFHP arbiter allocates bandwidth among its children policers?

  A. PIR
  B. CIR
  C. Level
  D. Weight
  D. Weight