1.3.3 Introduction to Networks

A computer network is ___ devices connected together.

• One computer

• Two or more

• Three or more

• Four or more

The Internet is the largest example of a ...

• Local Area Network (LAN)

• Wide Area Network (WAN)

• Metropolitan Area Network (MAN)

• Personal Area Network (PAN)

• Storage Area Network (SAN)

What is an advantage of a LAN?

• You can share resources

• It is more secure than a standalone computer

• Data and information cannot be easily shared

• Expensive to setup.

A network in a defined and limited location e.g. within the same building.

• WAN

• LAN

• PAN

• SAN

• MAN

Two or more computers connected together over a wide geographical area (e.g. county, country, globe).  What type of network is this?

• LAN
• School Network
• WAN
• The Internet

Complete this sentence:

A network that creates a safe and secure connection for an organisation over the Internet is a ………….?

(a)  

What are fibre optic cables made of?

• Copper

• Glass

• Aluminium

• Iron

Complete the sentence:

Fibre-optic cables transmit signals in the form of ………………….. .

(a)  

Complete the sentence:

In wireless connections, data is transmitted in the form of ………………….. waves.

(a)  

Which of the following is an advantage of wireless networks when compared to wired networks?

• Security

• Higher bandwidth

• Connection of multiple devices without any additional hardware