Wireless Communications and Mobile Computing Overview
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Questions and Answers

What is the main difference between a cordless telephone and a cellphone?

  • A cordless telephone has higher data transfer rates compared to a cellphone.
  • A cordless telephone allows handover between different base stations, while a cellphone does not.
  • A cordless telephone communicates with only a single base station directly connected to the PSTN, while a cellphone can communicate with multiple base stations via an MSC. (correct)
  • A cordless telephone uses WiFi technology, while a cellphone uses radio waves for communication.

    • What is the main advantage of WLANs for users?

  • WLANs have better coverage than cellular networks.
  • WLANs do not require any connections to the public landline system.
  • WLANs provide high data transfer rates up to 55Mbit/s.
  • WLANs allow mobility and convenience for users. (correct)

    • Which IEEE standard is commonly associated with WiFi technology?

  • IEEE 802.11b (correct)
  • IEEE 802.15
  • IEEE 802.11n
  • IEEE 802.11a

    • What type of devices can WLANs be used to connect?

    <p>Both mobile and fixed-location devices (D)</p> Signup and view all the answers

    What is the intended purpose of a Personal Area Network (PAN)?

    <p>To replace traditional cables with wireless connections. (D)</p> Signup and view all the answers

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