Networks

is a device used to connect computers together to form a LAN

• Router

• Hub

• Modem

is a network with restricted access

• Internet

• Intranet

• WLAN

is a wireless local area network

• WLAN

• LAN

• WAN

is a wide area network

• WAN

• WLAN

• LAN

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

• True

• False

You should always write your password down in case you forget it

• 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

Which of these computers is the largest?

• PDA

• Desktop

• Mainframe

Which computer component executes commands?

• CPU

• RAM

• ROM