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Data Communications Introduction and Network Components Quiz

10 Questions

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Data Communications Introduction and Network Components Quiz

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Questions and Answers

What is the primary purpose of a computer network?

To share resources and data between computing devices (correct)

To create a secure firewall for individual computers

To enhance the processing speed of individual computers

To provide entertainment services to users

What are the fundamental characteristics that the effectiveness of a data communications system depends on?

Bandwidth, throughput, and latency

Scalability, redundancy, and latency

Security, reliability, and speed

Delivery, accuracy, and timeliness (correct)

Which transmission medium is an example of unguided media?

Twisted pairs

Wireless transmission (correct)

Fiber optics

Coaxial cable

Which switching technique involves the establishment of a dedicated communication path before the actual data transfer takes place?

Circuit Switching Signup and view all the answers

What is the term used to describe the uneven delay in the delivery of audio or video packets?

Jitter Signup and view all the answers

What is the definition of data communications?

Translating information into a form efficient for movement or processing Signup and view all the answers

Which component of a data communications system is responsible for sending the data message?

Sender Signup and view all the answers

What is the primary function of a protocol in data communications?

Governing data communications Signup and view all the answers

Which coding system uses 32 bits to represent a symbol or character used in any language in the world?

Unicode Signup and view all the answers

What is the term for the physical path by which a message travels from sender to receiver in data communications?

Transmission medium Signup and view all the answers