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) (A)</p> Signup and view all the answers

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

<p>Security (D)</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> (C)</p> Signup and view all the answers

What is a protocol synonymous with?

<p>Rule (B)</p> Signup and view all the answers

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

<p>Encoding (D)</p> Signup and view all the answers

What does the semantics element of a protocol refer to?

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

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

<p>Syntax (B)</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 (D)</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 (A)</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 (A)</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 (B)</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 (B)</p> Signup and view all the answers

What does the term telecommunication mean?

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

What is not a component of a data communication system?

<p>A device for storage (C)</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 (D)</p> Signup and view all the answers

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