Network basics

Question 1

What is a personal area network?

Answer 1

A network organised around an individual or a couple of individuals with a range of a few metres

Question 2

What is a small network called?

Answer 2

PAN and a HAN

Question 3

What is the advantage of personal area network?

Answer 3

To automate connections between mobile devices

Question 4

What are the disadvantages of a personal area network?

Answer 4

Limited range
Data transmission can be slow
Peripheral devices - pair with one computing device t a time

Question 5

What is a home area network?

Answer 5

A small network within a home environment that connects devices such as computers, printers, tablets, smartphones, smart TVs and gaming devices

Question 6

What are the home area network advantages?

Answer 6

Users can access + share their data from any computing device in the home
Users can save money - sharing devices
An internet connection can be shared by all the computing devices in the home

Question 7

What is an issue with home area network?

Answer 7

Security

Question 8

What is needed to connect small networks?

Answer 8

Hardware, switch, router

Question 9

Define switch

Answer 9

Connects computers with cables

Question 10

Define router

Answer 10

Allows devices to connect to the internet

Question 11

How is PAN connected?

Answer 11

Bluetooth most common means of connecting devices

Question 12

How is HAN connected?

Answer 12

Both wireless and wired connection methods are used

Question 13

What must every computer have when it comes connecting?

Answer 13

wireless-enabled
NIC (Network Interface Controller)

Question 14

What is part of the wired connection?

Answer 14

UTP (Unshielded Twisted Pair) cable
One end plugs into port (NIC) of computer, other into switch / router

Question 15

What is part of the wireless connection?

Answer 15

WiFi access point is needed
Devices – wireless-enabled, use radio waves for connectivity

Question 16

What is WIFI?

Answer 16

wireless network technology - uses radio waves to provide network access, small area

Question 17

What is the internet?

Answer 17

Large worldwide computer network, consisting of computers and networks linked using communication media

Question 18

What must every devices connected to the internet have?

Answer 18

Every device that connects to the internet must have its own IP address

Question 19

What must a device have to connect to the internet?

Answer 19

Internet Service Provider
Internet connection

Question 20

What is an internet service provider?

Answer 20

A company that has a permanent, fast connection to the internet

Question 21

What are the two types of internet connection?

Answer 21

Wired connection: ADSL/fibre
Wireless connection: Cellular technology

Question 22

Define ADSL

Answer 22

Permanent digital connection using a telephone line

Question 23

Define fibre

Answer 23

Data transmitted using thin glass fibre tubes

Question 24

Between ADSL and fibre, which one is faster?

Answer 24

Fibre

Question 25

What does cellular technology allow for?

Answer 25

Mobile access

Question 26

What connects for cellular technology?

Answer 26

Dongle plugs into USB port

Question 27

What indicates cellular technology?

Answer 27

3G / 4G (LTE)