KS3 Networks - Intro

I am a computer by myself, not connected to a network - what am I?

• Standalone computer
• Workstation

I am a computer connected to other computers on a network - what am I?

• Standalone computer
• Workstation

Define what is meant by a 'Local Area Network' LAN

• A computer by itself, not connected to any other computers
• Two or more computers connected together over a wide geographical area
• Two or more computers connected together within a building or adjacent building
• A computer connected to another computer on a network

Define what is meant by a 'Wide Area Network' WAN

• A computer by itself, not connected to any other computers
• Two or more computers connected together over a wide geographical area
• Two or more computers connected together within a building or adjacent building
• A computer connected to another computer on a network

Which of the following is an advantage of computer networks?

• They are portable and easy to carry around with you
• Viruses can spread quickly across a network
• Specialist IT staff are needed to maintain them which is expensive
• Sharing devices such as printers saves money

Which of the following is an advantage of computer networks?

• Central backups are quicker
• Viruses can spread quickly across a network
• File servers and cabling can be expensive
• If the file server stops working, the whole network goes down

Which of the following is a disadvantage of computer networks?

• File servers and cabling are expensive
• Central backups are quicker
• Users can access their files on any computer on the network
• Data can be lost as storage can be easily scratched

Who might want to penetrate a computer network?  Remember this is morally wrong and illegal!

• Web designer
• Stock controller
• Hacker
• Computer technician

What law makes hacking illegal so that people can be prosecuted?

• Computer Misuse Act
• Data Protection Act
• Copyright, Designs and Patents Act
• Distance Selling Regulations

Which of the following is a disadvantage of computer networks?

• Networks have a limited storage capacity
• Viruses can spread quickly across a network
• Sharing devices such as printers saves money
• Increased security