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Data Communications Introduction and Network Components Quiz
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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?

    <p>Circuit Switching</p> Signup and view all the answers

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

    <p>Jitter</p> Signup and view all the answers

    What is the definition of data communications?

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

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

    <p>Sender</p> Signup and view all the answers

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

    <p>Governing data communications</p> 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?

    <p>Unicode</p> 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?

    <p>Transmission medium</p> Signup and view all the answers

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