Complete 4A0-107 Nokia Materials

Nokia Quality of Service Questions and Answers

Question 21

Which of the following statements about the bandwidth allocation criteria used by an egress port scheduler is TRUE?

The available bandwidth of the port is divided in a strict priority over its children.

Expedited queues must be serviced before best-effort queues.

Orphaned queues are serviced on the 8th scheduling priority.

The configured CIR dictates the maximum port bandwidth that can be allocated during the within-CIR pass for that level.

Question 22

Which of the following modules has 768 MB of buffer memory that dynamically allocates between its two MDAs?

IOM3

FP3 based IMM

IOM1

IOM2

Question 23

Which of the following statements BEST defines policing?

The process of delaying packets within a traffic stream to have them conform to a defined traffic profile.

The overall treatment of a defined subset of a customer's traffic within a DiffServ domain.

The process of discarding packets within a traffic stream in accordance with the state of a meter to enforce a defined traffic profile.

The action of setting the DiffServ codepoint of a packet prior to its entry into a downstream DiffServ domain.

A specified algorithm or operation that is implemented in a node in order to realize one or more per-hop behaviors.

Question 24

Which of the following BEST describes a SAP when regarding QoS?

A point in the network where EXP bits can be mapped to one of eight predefined FCs, each one with its own queue.

A logical point in a service tunnel where all of customer traffic is aggregated.

A point at which the initial classification of customer traffic occurs.

A point in the network where QoS parameters are discarded in favor of lower-level hardware queuing functions, such as LLI (Link Layer Interleave).

A point in the network where traffic flows from multiple different services are queued together, based on forwarding class.