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Questions and Answers
What does jitter refer to in data communications?
What does jitter refer to in data communications?
- The amount of data transmitted
- The type of transmission medium used
- The speed of data delivery
- Variation in packet arrival time (correct)
What is the fundamental requirement for timely delivery of data in a data communications system?
What is the fundamental requirement for timely delivery of data in a data communications system?
- Delivering data as they are produced, without significant delay (correct)
- Ensuring 100% accuracy in data delivery
- Using high-speed transmission medium
- Transmitting large amounts of data at once
Which characteristic of a data communications system ensures that data are received by the intended device or user only?
Which characteristic of a data communications system ensures that data are received by the intended device or user only?
- Accuracy
- Delivery (correct)
- Timeliness
- Jitter
What is the primary function of protocols in data communications?
What is the primary function of protocols in data communications?
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What does accuracy refer to in a data communications system?
What does accuracy refer to in a data communications system?
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Study Notes
Data Communications Fundamentals
- Jitter in data communications refers to the variation in the time delay between when data packets are sent and when they are received.
Timely Delivery of Data
- The fundamental requirement for timely delivery of data in a data communications system is that data packets arrive at the receiving device in the correct order and within a reasonable time frame.
Data Confidentiality
- The characteristic of a data communications system that ensures data are received by the intended device or user only is called secrecy or confidentiality.
Protocols in Data Communications
- The primary function of protocols in data communications is to manage the transfer of data between devices, ensuring that data are delivered efficiently and accurately.
Data Accuracy
- Accuracy in a data communications system refers to the correctness of the data received, ensuring that the data transmitted is identical to the data received, without any errors or alterations.
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