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12 Questions

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IT351 Computer Networks Chapter 1 Quiz

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Questions and Answers

Which component of a data communications system is responsible for defining the rules and conventions for communication between devices?

Sender

Protocol (correct)

Message

Receiver

Which of the following is NOT an example of a transmission medium used in data communications?

Television (correct)

Satellite signals

Twisted-pair wire

Fiber-optic cable

What is the main function of the receiver in a data communications system?

Define the transmission medium

Receive the message (correct)

Generate the data message

Develop the protocol

In data communications, what specifically does the term 'message' refer to?

Information (data) to be communicated Signup and view all the answers

Which type of network always maintains a dedicated connection between two end systems?

Circuit-switched network Signup and view all the answers

How does data transfer occur in a packet-switched network?

In the form of packets using different paths to the end system Signup and view all the answers

What is the main distinguishing feature of the Internet (uppercase I) among other networks?

It is composed of thousands of interconnected networks Signup and view all the answers

What is a notable characteristic of a peering point in networking?

It is where data is packet-switched with different paths used Signup and view all the answers

In full-duplex mode, how do the two stations communicate?

Both stations can transmit and receive simultaneously Signup and view all the answers

Which term is used to describe communication that is unidirectional like a one-way street?

Simplex Signup and view all the answers

What happens in half-duplex mode when one device is sending data?

The other device can only receive data at that moment Signup and view all the answers

Which of the following best defines a network?

The interconnection of devices capable of communication Signup and view all the answers