Data Communication and Networking Quiz

What is the primary purpose of data communication?

• To analyze data

• To encrypt data

• To transmit and receive information

• To store data

Which of the following is NOT a characteristic of data communication?

• Timeliness

• Speed

• Accuracy

• Delivery

What does the term 'protocol' refer to in data communication?

• A transmission medium

• A set of rules for communication

• A type of hardware

• A method of data storage

Which of the following is an example of a transmission medium?

• Protocol

• Message

• Sender

• Twisted-pair wire

What does ASCII stand for?

• Advanced Standard Code for Internet Interaction

• American Standard Code for Information Interchange

• American Standard Code for Internet Interaction

• Advanced Standard Code for Information Interchange

Which data representation format covers a wide range of characters, including emojis?

• Hexadecimal

• Unicode

• Binary

• ASCII

In which mode does data flow in one direction only?

• Simplex

• Bidirectional

• Full Duplex

• Half Duplex

What is the main function of a Digital-to-Analog Converter (DAC)?

• To transmit data

• To convert analog signals to digital

• To convert digital signals to analog

• To store digital data

Which of the following is an example of half-duplex communication?

• Telephone conversation

• Walkie-talkies

• Radio broadcast

• Ethernet connection

What is the purpose of line coding?

• To convert digital data to digital signals

• To encrypt data

• To compress data

• To convert analog data to digital signals