Wireless Channels

Question 1

Individual, smaller sections of the overall frequency band used by a wireless network

Answer 1

Channels

Question 2

Channels are important because they help address a very old networking concern

Answer 2

collision domain

Question 3

What is collision domain?

Answer 3

A group of nodes that can hear each other and simultaneous data transmissions collide with one another.

Question 4

These devices remember which computers live on which physical inerfaces.

Answer 4

Switches

Question 5

What frequency bands do wireless devices communicate in?

Answer 5

2.4GHz and 5GHz

Question 6

The most commonly used frequency band is _

Answer 6

2.4GHz

Question 7

Give two advantages of the 2.4GHz band

Answer 7

Farther range

Able to penetrate solid objects easily

Question 8

Give two disadvantages of the 2.4GHz band

Answer 8

Vulnerable to interference

Slower speed

Question 9

Give two advantages of the 5GHz band

Answer 9

High transfer speed

Less vulnerable to interference

Question 10

Give two disadvantages of the 5GHz band

Answer 10

Shorter ranger

Harder time penetrating through solid objects