Nokia 4A0-107 Online Practice Questions and Exam Preparation

Nokia 4A0-107 Online Questions & Answers

• Question 131:

  Which of the following are characteristics of 802.1p? (Choose two)

  A. 802.1p adds 16 bits to the Layer 2 header,
  B. 802.1p adds 16 bits to the Layer 3 header.
  C. 802.1p specifies 64 different priority levels.
  D. 802.1p uses a field in the 802.1Q header.
  E. 802.1p uses a field in the Layer 3 IP header
  F. 802.1p defines a 3-bit Class of Service field.
  D. 802.1p uses a field in the 802.1Q header.
  F. 802.1p defines a 3-bit Class of Service field.

• Question 132:

  What type of unwanted packet drops can the proper configuration of a queue's burst-limit parameter prevent?

  A. Packet drops in the local queue resulting from traffic congestion.
  B. Packet drops on the downstream nodes resulting from traffic congestion.
  C. Packet drops in the local queue resulting from traffic bursts.
  D. Packet drops on the downstream nodes resulting from traffic bursts.
  C. Packet drops in the local queue resulting from traffic bursts.

• Question 133:

  Which of the following statements about buffer admission control techniques is FALSE?

  A. A packet is accepted into a queue based on its priority and forwarding class.
  B. Buffer admission control limits the number of out-of-profile packets that enter the queue.
  C. Both high priority-only buffer space and WRED can be used in a queue.
  D. Priority is used when a packet enters a SAP-ingress queue.
  C. Both high priority-only buffer space and WRED can be used in a queue.

• Question 134:

  Which parameter can be configured in a network ingress QoS policy?

  A. The priority (low/high) to be assigned to the packets.
  B. The profile (in/out) to be assigned to the packets.
  C. The queues to be assigned to the forwarding classes.
  D. The markings to be marked on the packets.
  B. The profile (in/out) to be assigned to the packets.

• Question 135:

  Which of the following statements about configuring a hierarchical scheduler policy on a SAP is FALSE?

  A. Several Tier 1, Tier 2, and Tier 3 schedulers can be defined within a policy.
  B. A queue's parent scheduler must be a Tier-3 scheduler.
  C. The parent must have a higher level in the hierarchy.
  D. If no parent is configured, the queue/scheduler is considered orphaned.
  B. A queue's parent scheduler must be a Tier-3 scheduler.

• Question 136:

  At which point are internal QoS markings added to the packets?

  A. SAP-ingress
  B. FFPC
  C. SAP-egress
  D. network-egress
  B. FFPC

• Question 137:

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

  B. min
  C. max
  D. 50000
  B. min

• Question 138:

  Which of the following is an advantage of using queue-groups on a service SAP?

  A. It enables CFHP.
  B. It more scalable than using policers.
  C. It allows a separate set of queues/policers for each VLAN on a port.
  D. It allows a set of queues to be shared among multiple SAPs.
  D. It allows a set of queues to be shared among multiple SAPs.

• Question 139:

  A service provider is using GRE for his transport tunnel on the Nokia 7750 SR. How can traffic be marked as it traverses the service provider's network? (Choose two)

  A. Using dot1p bits of the 802.1q Ethernet frame header
  B. Using DSCP bits within the ToS field of the IP packet header.
  C. Using the IP precedence bits within the ToS field of the IP packet header.
  D. Using the CLP bit of the ATM cell header.
  E. Using the EXP bits of the MPLS transport label header.
  A. Using dot1p bits of the 802.1q Ethernet frame header
  B. Using DSCP bits within the ToS field of the IP packet header.

• Question 140:

  When using an egress port scheduler, on which scheduling loop are orphaned queues serviced?

  A. Level 8 within CIR.
  B. Level 8 between CIR and PIR.
  C. Level 8, once all PIR is serviced.
  D. Level 1 within CIR.
  E. Level 1 between CIR and PIR.
  F. Level 1, once all PIR is serviced.
  C. Level 8, once all PIR is serviced.