Data Communication Quiz

Which of the following is an essential component of data communication?

• Encryption algorithms

• Transmission media

• Cloud storage systems

• Blockchain networks

What is the primary purpose of data communication?

• To encrypt messages for secure transmission

• To enable the sharing of information between devices

• To store data in remote servers

• To analyze large datasets

Which of the following is NOT a key element of data communication?

• Sender

• Receiver

• Channel

• Firewall

The physical path over which data travels is referred to as:

• Protocol

• Medium

• Topology

• Network interface

In data communication, which of the following ensures data is delivered accurately and in sequence?

• Transmission medium

• Protocols

• Modulation

• Encoding

Which of the following is an example of guided transmission media?

• Fiber optics

• Radio waves

• Microwaves

• Infrared signals

Unguided transmission media primarily relies on:

• Physical cables

• Electromagnetic waves

• Light signals

• Fiber channels

Which of these transmission media provides the highest data rate?

• Twisted pair cables

• Coaxial cables

• Fiber optics

• Radio waves

What is a key characteristic of synchronous data transmission?

• Data is sent without synchronization

• A clock signal is used for synchronization

• Data is sent in small packets with start and stop bits

• Error correction is not possible

Asynchronous data transmission uses which of the following for synchronization?

• Clock signal

• Start and stop bits

• Framing bits

• Parity check