Question

Identify the five components of data communication system? What is the difference between half-duplex and full-duplex transmission modes? Name the four basic network topologies, and cite an advantage of each type.

Answer 1

sender. message . meduim. reciever
.. halfduplex one way communication at time. e.g sending or receiving.. full duplex.. double way communication at a time sending and receiving at once.
i.star less expensive than mesh and finding error or maintenance easy. bus less expensive than every other topology easy to plan . circle . easy to plan . mesh fast