Networking questions. DO NOT GUESS, I NEED CORRECT ANSWERS. Thanks.

Firewalls are exclusively software components of a computer system.

True

False

The very first thing to check when troubleshooting a network is the

driver

mode

speed

connection

Select from the following all the characteristics of and infrared connection.(May contain multiple answers)

Uses light

Up to 4 mbps transmission rate

Max range is 3 meters

Line of site

Very secure