Networks

What is a network?

• Computers which are connected to each other and share information and resources

• Stand alone computer

What does a computer network allow computers to share?

• Electricity

• Resources

• Mice

To log onto a network, what do you usually need?

• A user ID and password

• A fast connection

• Specialist software

Passwords should be changed regularly to make it difficult for hackers to gain access to the computer system

• True

• False

which of the following is an example of weak password

• Ahmad

• S%7c&x

• D23&!ul

To protect the data stored on networks user -ID and ............... should be used to prevent unauthorized access

• spyware

• password

• anti-virus

What is a server in a computer network?

• The name for a large number of computer cables
• Someone who manages the network
• A powerful computer that provides a service, such as centralised file storage

A computer network is where two or more devices are connected together so they can share...

• people

• resources

• cables

This protocol ensures the delivery of information packets across network.

• Internet Protocol (IP)
• Transmission Control Protocol (TCP)
• Hypertext Transfer Protocol (HTTP)
• Simple Mail Transfer Protocol (SMTP)

What is the minimum number of computers needed to create a network?

• 1

• 2

• 3

• 4