Nokia Nokia Certifications 4A0-107 Questions & Answers

• Question 101:

  Which of the following criteria is an IP multi-field classification option?

  A. prec

  B. lsp-exp

  C. src-ip

  D. do1p

  Correct Answer: C

• Question 102:

  Which of the following statements about behavior aggregate and multi-field classification in a Nokia 7750 SR is TRUE?

  A. Multi-field classification can use both MAC criteria and IP criteria in the same SAP-ingress QoS policy.

  B. Behavior aggregate classification can use both lsp-exp and dscp in the same SAP-ingress QoS policy.

  C. Multi-field classification cannot use both IP criteria and IPv6 criteria in the same SAP-ingress QoS policy.

  D. Behavior aggregate classification cannot use both dot1p and lsp-exp in the same SAP-ingress QoS policy.

  Correct Answer: D

• Question 103:

  Which of the following policies does NOT exist by default on a network port?

  A. A network policy for every network interface configured on the port.

  B. A slope policy for the port on ingress.

  C. A network queue policy for the corresponding MDA on ingress.

  D. A network queue policy for the port on egress.

  Correct Answer: A

• Question 104:

  Which of the following is a forwarding class type that is intended for network control traffic on a Nokia 7750 SR?

  A. High-1

  B. Assured

  C. Best Effort

  D. Expedited

  Correct Answer: A

• Question 105:

  Which of the following fields is in the MPLS header?

  A. 802.1p bits

  B. Precedence

  C. DSCP

  D. EXP

  Correct Answer: D

• Question 106:

  Which of the following statements about Assured Forwarding (AF) Per Hop Behavior (PHB) groups is FALSE?

  A. It defines a premium service that effectively creates a dedicated link between peers.

  B. It defines four different AF traffic classes.

  C. Every AF class in each differentiated services node is allocated a certain amount of forwarding resources.

  D. Within each AF class, IP packets are marked with one of three possible drop precedence values.

  Correct Answer: A

• Question 107:

  Which following statements about the four-step QoS process (classification, queuing, scheduling, and marking/remarking) executed for every packet entering a Nokia 7750 SR is TRUE?

  A. The process happens only before the packet goes through the switching fabric.

  B. The process happens only before the packet goes onto the egress port.

  C. Marking/remarking the packets is for future classification.

  D. Marking/remarking the packets will occur right after classification of the packet.

  Correct Answer: D

• Question 108:

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

  A. It may exceed PIR of the queue.

  B. It may be exceeded by the average servicing rate of the queue.

  C. It varies depending on the traffic characteristics.

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

  Correct Answer: D

• Question 109:

  Which of the following is NOT a characteristic of policing?

  A. It smooths out traffic bursts.

  B. It drops the packets when average peak rate is exceeded.

  C. It may additionally color the packets as they arrive.

  D. It buffers the packets at its output before sending them out.

  Correct Answer: B

• Question 110:

  Which of the statements about packet classification is TRUE?

  A. It sets the destination IP address of the packet.

  B. It uses RVSP to inform other QoS capable routers how the packet should be treated.

  C. It sets the TOS, DSCP, EXP, or DOT1p field based on classification criteria.

  D. It can use a customer's encapsulated data to determine a packet's forwarding class.

  Correct Answer: C