Data Communications Basics
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Questions and Answers

What are the three modes of transmission in data communications?

  • Simplex, full-duplex, and multiplex
  • Simplex, half-duplex, and duplex (correct)
  • Parallel, serial, and duplex
  • Analog, digital, and duplex

    • What are the types of media used in data communications?

  • Electrical conductors, light pipes, and electromagnetic transmission (correct)
  • Fiber optics, wireless, and copper wires
  • Satellite, microwave, and coaxial cables
  • Ethernet cables, DSL, and radio waves

    • What are the organized topologies in data communications?

  • Star, mesh, and bus
  • One-to-one, one-to-many, or many-to-many (correct)
  • Ring, hybrid, and tree
  • Point-to-point, point-to-multipoint, and multipoint-to-multipoint

    • What defines the relationships among members of a network?

    <p>They may have no ranking or they may be ranked</p> Signup and view all the answers

    What is an example of half-duplex mode of transmission?

    <p>A duplex channel operated in half-duplex mode where communication occurs only in one direction</p> Signup and view all the answers

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