Unit 2- Connectivity

Question 1

State two benefits of a family setting up a home network [2].

Answer 1

[1] Sharing files on each other’s computers.
[1] Backing up data to another computer.
[1] Sharing a printer.
[1] Sharing an internet connection.

Question 2

Define ‘bandwidth’.

Answer 2

The number of bits that can go through a network connection in 1 second —> bits per second (bps).

Question 3

Describe the process of encryption.

Answer 3

Encryption scrambles data so that only computers with the right key can decipher and read it.

Question 4

What is the most common form of protection for wireless networks?

Answer 4

WEP

Question 5

Define ‘latency’.

Answer 5

The time between one bit leaving one device and arriving at another in one milliseconds —> (ms).

Question 6

A high bandwidth =

Answer 6

= more bits transferred per second.

Question 7

A high latency =

Answer 7

= a short amount of time for the bits to be transferred per millisecond.

Question 8

A low bandwidth =

Answer 8

= less bits transferred per second.

Question 9

A low latency =

Answer 9

= a high amount of time for the bits to be transferred per millisecond.