QoS (Quality of Service) Quiz (Online)

Which of the following is not a QoS Model?

DiffServ

Best Effort

Loss

IntServ

Quality of Service can alleviate which problems?

Dropped voice calls during periods of high network utilisation

Link Instability

Interface buffer overruns

Insufficient Bandwidth

What is the variation in delay of packets called?

Delay

Bandwidth

Delay

Reliability

Which of the following is a Congestion Management Techniques?

IP Precedence

Jitter

TOS Byte

First-in First-out

How does DiffServ deliver QoS across the network?

When using DiffServ, the network tries to deliver a particular kind of service that is based on the QoS that is specified by each packet

DiffServ tries to deliver a particular level of service on a per-flow basis across the network

DiffServ classifies and marks traffic at each node in the network

DiffServ delivers a particular kind of service based on either a flow-based behavior or a per-hop behavior, depending on how the traffic was marked and classified at ingress

In which service do we try to avoid traffic congestion?

Both congestion control and quality of service

Congestion control

Quality of service

Neither congestion control nor quality of service

Which QoS parameters are required to transfers credential file from one source to a destination?

Latency

Bandwidth and Data loss

Best Effort

Jitter

Which option is the main function of congestion management?

Discarding excess traffic

Queuing traffic based on priority

Classifying traffic

Providing long-term storage of buffered data

Which 8-bit field exists in IP packet for QoS?

ToS

Cos E

DSCP

IP Precedence

10.

The QoS requirements on the CE and PE router differ depending on which factor?

Whether or not the PE router is managed by the service provider

Whether or not the service provider is using an MPLS core

The SLAs offered by the service provider

Whether or not the CE router is managed by the service provider