Data Communications and Computer Networks

What are the basic components of communications?

What is the difference between wired and wireless communications media?

What are the different types of data transmission channels?

• Narrow bands

• Voice bands

• Broad bands

What is a computer network?

What does network topology define?

What is Bus Topology?

What is Ring Topology?

What is Star Topology?

What is Mesh Topology?

What are the different types of networks?

• Voice network

• Personal area network

• Metropolitan area network

• Wide area network

• Local area network