Ethernet and IEEE 802.x LANs
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Questions and Answers

What happens to stations when a collision is detected after transmission?

  • They stop transmitting data immediately and send a jamming signal (correct)
  • They switch to a different transmission frequency
  • They continue transmitting data at a slower rate
  • They abort the transmission process and shut down
  • What algorithm is used by stations to wait before re-transmitting after a collision?

  • Linear backoff algorithm
  • Random delay algorithm
  • Binary exponential backoff algorithm (correct)
  • Fixed delay algorithm
  • What is the maximum number of times a station will attempt to re-transmit after a collision?

  • 8 times
  • Until successful transmission
  • 32 times
  • 16 times (correct)
  • What factor does not affect the probability of a collision occurring in a LAN?

    <p>Type of network topology</p> Signup and view all the answers

    What is the purpose of a transmitting station monitoring the network for a period of time called a slot time?

    <p>To detect collisions</p> Signup and view all the answers

    What happens to a station's wait time after a subsequent collision?

    <p>It is doubled</p> Signup and view all the answers

    What is the maximum delay for a transmission to reach the far end of the network and for a collision to propagate back?

    <p>Slot time</p> Signup and view all the answers

    What is the result if a station's subsequent attempts to transmit result in another collision up to 16 times?

    <p>The station reports a transmission error to the higher layer protocols</p> Signup and view all the answers

    What is the purpose of the jamming signal sent by a transmitting station after detecting a collision?

    <p>To inform all active stations about the collision</p> Signup and view all the answers

    What is the relationship between the number of stations and the probability of a collision occurring?

    <p>The probability of a collision increases as the number of stations increases</p> Signup and view all the answers

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