Data Communication

What is data communication?

• Transfer of data from one point to the next.

• Transfer of electronic data from one point to the next over a communication medium.

• sending information

• none of the above

Types of communication media

• Twisted and coaxial cables

• duplex

• Bluetooth

• wired and wireless

This is the process of using communication facilities such as the telephone and microwave relays to send data over a far distance without changing it.

• wireless communication

• Telecommunication

• Data communication

• wired communication

The two basic types of computer networks are;

• MAN AND LAN

• STAR TOPOLOGY

• LAN and WAN

• BUS TOPOLOGY

collection of two or more computers joined together through communication media, to share information is?

• Computer network

• Wired network

• half duplex

• full duplex

Which network connects computers within a large geographical area?

• Wide Area Network

• Local Area Network

• Metropolitan Area Network

• None of the above

radio-waves, microwave, infrared, satellite and bluetooth are examples of which media?

• wired

• television

• wireless

• computer

Which of the following is NOT a type of transmission channel?

• Coaxial cable

• Twisted pair

• Modem

• Microwave

Persons at a KFC restaurant realise that they were able to access the internet on their phones. This would be considered a

• MAN

• Hot Spot

• LAN

• Satellite

A LAN is big enough to cover what area?

• A university campus

• A single house

• A single department

• All of the above