Written Lab 22

Question 1

Which QoS mechanism is a 6-bit value that is used to describe the meaning of the layer 3 IPv4 ToS field?

Answer 1

DSCP

Question 2

Southbound SDN interfaces are used between which two planes?

Answer 2

Control

Data

Question 3

Which QoS mechanism is a term that is used to describe a 3-bit field in the QoS control field of wireless frames?

Answer 3

TID

Question 4

What are the three general ways to classify traffic?

Answer 4

Markings
Addressing
Application Signatures

Question 5

Cos is a layer 2 QoS ____________?

Answer 5

Marking

Question 6

A session is using more bandwidth than allocated. Which QoS mechanism will drop the traffic?

Answer 6

Policing

Question 7

What are the three SDN layers?

Answer 7

Data
Control
Application

Question 8

What are two examples of newer queuing mechanisms that are recommended for rich-media networks?

Answer 8

CBWFQ

LLW

Question 9

What is a layer 4 to 7 deep-packet inspection classifier that is more CPU intensive than marking?

Answer 9

NBAR

Question 10

_________ APIs are responsible for the communication between the SDN controller and the services running over the network?

Answer 10

Northbound