Wireless Communications and Mobile Computing Overview
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Questions and Answers

What is the main difference between cordless telephony and cellphones?

  • Cordless telephones communicate with only one base station, while cellphones can communicate with multiple base stations. (correct)
  • Cordless telephones use radio waves to communicate, while cellphones use satellite signals.
  • Cordless telephones are directly connected to the public telephone system, while cellphones rely on mobile switching centers (MSC).
  • Cordless telephones require no location tracking of the mobile handset, while cellphones need continuous handover between different base stations.

    • What kind of wireless link does a cordless telephone have with the base station?

  • Satellite link
  • Radio wave link (correct)
  • Infrared link
  • Micro-wave link

    • Which IEEE standard is associated with Wireless Local Area Networks (WLANs)?

  • IEEE 802.11 (correct)
  • IEEE 802.15
  • IEEE 802.18
  • IEEE 802.16

    • What is the main advantage of WLANs for users?

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

    How does the 802.11b standard differ from the original IEEE 802.11 standard?

    <p>802.11b has a faster data transfer rate than IEEE 802.11 (C)</p> Signup and view all the answers

    What is the coverage area like for a Personal Area Network (PAN) in comparison to WLANs?

    <p>Smaller coverage area (C)</p> Signup and view all the answers

    What is the purpose of developing standards for Personal Area Networks (PANs)?

    <p>For cable replacement tasks in simple applications (A)</p> Signup and view all the answers

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