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Data Communication Principles

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Questions and Answers

Which device directs traffic to and from many different circuits with different parameters?

Data Terminal Equipment (DTE)

Line Control Unit (LCU)

Front End Processor (FEP) (correct)

Data Communications Equipment (DCE)

What is the function of the Line Control Unit (LCU)?

Interfacing DTE to a communications medium

Resolving incompatibility issues between DTE and the network

Generating, transmitting, receiving, or interpreting data messages

Directing traffic between different circuits with different parameters (correct)

What is the role of Data Communications Equipment (DCE)?

Interfacing DTE to a communications medium (correct)

Directing traffic between different circuits with different parameters

Generating, transmitting, receiving, or interpreting data messages

Resolving incompatibility issues between DTE and the network

What is the significance of timeliness in a communication system?

Timeliness ensures that the data is delivered in the same order as they are produced, and without significant delay. Signup and view all the answers

What is the main impact of jitter in a communication system?

Jitter causes variation in packet arrival time, leading to uneven quality in the delivery of audio or video packets. Signup and view all the answers

What does the accuracy component of a communication system emphasize?

Ensuring that the data is delivered without introducing any errors. Signup and view all the answers

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

To convert signals from a DTE into a suitable format for transmission Signup and view all the answers

Which device is an example of a DCE in a data communications system?

Modem Signup and view all the answers

What does 'transmission system utilization' refer to in a data communications system?

Efficient use of shared transmission facilities among communicating devices Signup and view all the answers

What are some techniques used for allocating the total capacity of a transmission medium among a number of users?

Multiplexing Signup and view all the answers