How many basic elements of data communication?
a) three
b) five
c) seven
d) four
Explanation: message, sender, receiver, transmission medium, protocol
The device that sends messages is called
a) sender
b) source
c) transmitter
d) all of these
The device that receives the messages is called
a) receiver
b) sink
c) both a & b
d) none of these
The path through which messages are transferred is called…….
a) protocol
b) transmission medium
c) receiver
d) source
The set of rules and regulations that governs data communications is called…
a) protocol
b) transmission medium
c) receiver
d) source
How many modes of data transmission?
a) one
b) two
c) three
d) four
Explanation: simplex transmission, half-duplex transmission, full-duplex transmission
