Chapter 6 - Network Technologies

Question 1

What is a network?

Answer 1

A network is of a number of computers linked together either by cable or by using wireless technology

Question 2

What does LAN stand for?

Answer 2

Local Area Network

Question 3

What is a LAN?

Answer 3

A network spread over a SMALL geographical area.

Question 4

Give an example of a LAN

Answer 4

A school network

Question 5

What does WAN stand for?

Answer 5

Wide Area Network

Question 6

What is a WAN?

Answer 6

A network spread over a LARGE geographical area

Question 7

Give an example of a WAN

Answer 7

The internet

Question 8

What is a file server?

Answer 8

A computer on a network that is responsible for the storage and management of data files so that other computers on the same network can access the files.

Question 9

What is a back-up?

Answer 9

A copy of a file made and stored on a different storage device in case the original file gets lost, or becomes corrupted or physically damaged.

Question 10

What is a virus?

Answer 10

Software designed to damage a computer system

Question 11

What is the internet?

Answer 11

An international network

Question 12

What does WWW stand for?

Answer 12

World Wide Web

Question 13

What is the World Wide Web?

Answer 13

The WWW is a means of accessing information over the internet. It is made up of web pages linked by hyperlinks.

Question 14

What does URL stand for?

Answer 14

Uniform Resource Locator

Question 15

What is a URL?

Answer 15

A URL is the address of a web page on the WWW

Question 16

What does HTML Stand for?

Answer 16

HyperText Markup Language

Question 17

What is HTML?

Answer 17

An authoring language used to write web pages

Question 18

What is a hyperlink?

Answer 18

A hyperlink allows users to move from one HTML page to another

Question 19

What is a communications protocol?

Answer 19

A SET OF RULES that allow communication between two different computer systems

Question 20

What does HTTP stand for?

Answer 20

HyperText Transfer Protocol

Question 21

What is HTTP?

Answer 21

A protocol used by the World Wide Web that allows web pages to be transferred on the internet

Question 22

What does IoT stand for?

Answer 22

Internet of Things

Question 22

What is an intranet?

Answer 22

A private network set up as a secure website, owned and managed by a organisation

Question 22

What is broadband?

Answer 22

A telecommunications link that provides a wide bandwidth communication for a HIGH SPEED INTERNET CONNECTION

Question 23

What is the IoT?

Answer 23

Smart devices connected to the internet

Question 24

What is a sensor?

Answer 24

An input device used to measure a physical quantity such as temperature, pressure or loudness and convert it into a digital format for input to a computer

Question 25

What does Wi-Fi stand for?

Answer 25

Wireless Fidelity

Question 26

What is Wi-Fi?

Answer 26

A radio technology that allows devices to connect together

Question 27

What is Bluetooth?

Answer 27

A radio technology that allows devices to connect together over short distances

Question 28

What is optical fibre?

Answer 28

A communications medium that uses very thin glass strands to send data at very fast transmission speeds

Question 29

What is bandwidth?

Answer 29

The amount of data that can be transmitted over a network in a fixed amount of time. Measured in bits per second

Question 30

What does bps stand for?

Answer 30

bits per second

Question 31

What is a repeater?

Answer 31

A network device used in a fibre optic communications system  to boost a signal

Question 32

What is 4G?

Answer 32

A mobile phone technology that allows high speed data access

Question 33

What does NIC stand for?

Answer 33

Network Interface Card

Question 34

What is a NIC?

Answer 34

A Network Interface Card is an electronic board fitted to a computer so it can be connected to a network

Question 35

What does WNIC stand for?

Answer 35

Wireless Network Interface Card

Question 36

What is a WNIC used for?

Answer 36

A WNIC is usually used to WIRELESSLY connect portable devices (like laptops) to a network

Question 37

What is ethernet?

Answer 37

A network cable that allows access to a network when plugged into a NIC. Provides a more stable connection that Wi-Fi

Question 38

What is a switch?

Answer 38

A switch is a hardware device that allows a computer to connect to it using a cable to access a network.

Question 39

What is a router?

Answer 39

A hardware device which connects a number of networks together either by cable or wireless, to allow data transmission

Question 40

What is a topology?

Answer 40

The shape of a network. E.g. a bus or ring

Question 41

What is a Bus network

Answer 41

A network topology where all computers are placed along a backbone and data can travel both ways. There are terminators at each end to stop the data from bouncing back. If the backbone breaks the entire network will fail.

Question 42

What is a Star network?

Answer 42

A network topology in which all computers are connected to the main computer by their own cable.

Question 43

What is a backbone?

Answer 43

The main cable on a bus network

Question 44

What is a Ring network?

Answer 44

A network topology in which there is no central controlling computer each computer is directly connected to its neighbouring computers to form a ring.