Wireless LANs vs Wired LANs MAC Protocols
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Questions and Answers

Why do wireless LANs and wired LANs use different protocols for medium access control?

  • The radio spectrum for wireless communication is highly regulated, limiting protocol options.
  • Wired LANs do not require any security measures like encryption.
  • In a wireless LAN, frames may not reach all devices connected to the LAN. (correct)
  • Collisions are not possible in wireless networks.

    • Why is CSMA/CD not preferred for wireless networks?

  • It is not a secure protocol that encrypts communication. (correct)
  • It does not work well with WiFi technology.
  • It is highly regulated by authorities.
  • Collision prevention is not a concern in wireless networks.

    • What makes the usage of a 'random access' protocol challenging in wireless communication?

  • CSMA/CA causes more collisions than CSMA/CD.
  • Wired LANs have different requirements than wireless LANs.
  • The radio spectrum is a limited resource regulated by authorities. (correct)
  • Random access protocols don't work well with WiFi technology.

    • Why can't collisions be allowed to happen on a wireless network?

    <p>Collisions may result in data loss and network congestion.</p> Signup and view all the answers

    What factor determines the choice of MAC protocol for wired LANs and wireless LANs?

    <p>The properties and characteristics of the medium used for communication.</p> Signup and view all the answers

    How does the limited radio spectrum impact the choice of MAC protocols in wireless networks?

    <p>It restricts the use of protocols based on 'random access'.</p> Signup and view all the answers

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