16 Questions
Which of the following is an example of data communications?
Sending emails and instant messages
What is data communications?
Exchange of data between two devices using a form of transmission medium
What are the fundamental characteristics that determine the effectiveness of a data communication system?
Delivery, accuracy, timeliness, and jitter
What does the term 'jitter' refer to in the context of data communication?
Variation in the arrival times of data packets
What is a network in the context of data communications?
A set of devices connected by communication links
What are the different forms in which information data can be represented in data communications?
Text, numbers, images, audio, and video
What is the term for delivering data as they are produced, in the same order that they are produced, and without significant delay?
Timely delivery
Which factor can negatively impact the video and audio quality due to time delay in the sending of data packets over a network connection?
Jitter
What is the term for a physical path by which a message travels from sender to receiver?
Communication channel
In which mode of data flow communication can both stations transmit and receive simultaneously?
Full Duplex mode
What type of broadcasting involves commercial stations broadcasting music, news, weather reports, and other programs?
AM & FM radio broadcasting
What type of communication is unidirectional, where only one of the devices on a link can transmit?
Simplex mode
What represents an agreement between the communicating devices and governs data communications?
Data protocol
What is the term for a set of rules that governs the data communications?
Data protocol
Which device sends the data messages in a communication process?
Sender
What is the term for when there is a time delay in the sending of data packets over a network connection?
Jitter
Test your knowledge of data communications, which involves the exchange of data between devices through various transmission mediums. This quiz covers the basics of communication systems, hardware, software, and electronic communication methods.
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