Data Communication MCQs Worksheet Extraction

Data communication is effective if and only if the delivery is:

• Accurate

• Timely

• Jitter-free

• All of these

Which of the following is not a component of data communication?

• Sender

• Receiver

• Path

• Modem

The physical path through which data travels is called:

• Protocol

• Transmission medium

• Router

• Message

In full-duplex communication:

• Data flows in both directions simultaneously

• Data flows in one direction only

• Data flows alternately

• Data never flows

Which of the following is not a guided media?

• Twisted pair cable

• Coaxial cable

• Optical fiber

• Microwave

The unit of data rate is:

• Bits

• Bytes

• Bits per second (bps)

• Hertz

The Nyquist theorem deals with:

• Noise

• Bandwidth

• Channel capacity

• Error rate

Serial transmission transmits:

• One bit at a time

• Many bits simultaneously

• Bytes

• Frames

Which of the following is an example of unguided media?

• Fiber optics

• Radio waves

• Coaxial cable

• Twisted pair

The speed of data communication depends on:

• Bandwidth

• Noise level

• Distance

• All of these