Data Communication Quiz

Which of the following is not an element of data communication?

• Sender

• Receiver

• Electricity

• Transmission Medium

In half-duplex communication, data can:

• Be sent in one direction only

• Be sent and received simultaneously

• Be sent and received, but one at a time

• None of the above

The maximum bit rate for a noiseless channel is given by:

• Shannon Capacity

• Baud Rate

• Nyquist Bit Rate

• Hertz Formula

Which signal type has discrete levels?

• Analog

• Digital

• Frequency

• Noise

Which of the following is a guided transmission medium?

• Infrared

• Coaxial Cable

• Radio Waves

• Microwave

In parallel transmission, data is:

• Sent bit by bit

• Sent byte by byte

• Sent multiple bits simultaneously

• Not transmitted

Which of the following is an unguided medium?

• Fiber Optic Cable

• Twisted Pair

• Coaxial Cable

• Satellite

A simplex communication system:

• Allows two-way communication

• Allows communication in one direction only

• Is always wireless

• Requires two transmission lines

A collection of connected devices is called:

• Gateway

• Network

• Server

• Internet

The primary goal of internetworking is to:

• Encrypt data

• Connect multiple heterogeneous networks

• Block malware

• Provide video calling