Data Communications: Introduction Chapter 1
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Questions and Answers

What is measured in terms of delay and throughput in network criteria?

  • Reliability
  • Performance (correct)
  • Security
  • Physical Structures

    • Which type of connection involves multiple recipients of a single transmission?

  • Multipoint (correct)
  • Unicast
  • Point-to-Point
  • Broadcast

    • What type of topology connects six stations in a circular manner?

  • Fully Connected Mesh
  • Bus
  • Ring (correct)
  • Star

    • In network categories, which type is designed to provide local interconnectivity over larger areas like a city or campus?

    <p>Metropolitan Area Networks (MANs)</p> Signup and view all the answers

    Which aspect of the network criteria focuses on data protection against corruption or loss?

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

    What has revolutionized many aspects of our daily lives, according to the text?

    <p><strong>The Internet</strong></p> Signup and view all the answers

    What is a protocol synonymous with?

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

    Which of the following is NOT one of the key elements of a protocol?

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

    What does the semantics element of a protocol refer to?

    <p>Interpreting the meaning of the bits</p> Signup and view all the answers

    Which aspect of a protocol indicates how to read the bits?

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

    What does the timing element of a protocol determine?

    <p>Speed at which data should be sent or received</p> Signup and view all the answers

    What role do Internet Service Providers (ISPs) play in the functioning of the Internet?

    <p>They provide access to the Internet for users</p> Signup and view all the answers

    What is the definition of data communications?

    <p>The exchange of data between two devices via a transmission medium</p> Signup and view all the answers

    What is a node in the context of networks?

    <p>A device capable of sending and/or receiving data generated by other nodes on the network</p> Signup and view all the answers

    What is the definition of a link in a network?

    <p>A medium that can transport a signal carrying information</p> Signup and view all the answers

    What does the term telecommunication mean?

    <p>Communication at a distance</p> Signup and view all the answers

    What is not a component of a data communication system?

    <p>A device for storage</p> Signup and view all the answers

    What type of data flow allows communication in both directions but only one direction at a time?

    <p>Half-duplex</p> Signup and view all the answers

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