WIRELESS NETWORKS AND MOBILE IP
INTRODUCTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following is short-range wireless networks?
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Bluetooth
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Ultra-wideband
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Near-field communications
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Wi-Fi
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3G and 4G
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Explanation:
Detailed explanation-1: -Short-range wireless communication is of the following types: Bluetooth. Wi-Fi.
Detailed explanation-2: -Short-range wireless technologies include Bluetooth, Wi-Fi, near-field communication (NFC), LPWAN, ultra-wideband (UWB) and IEEE 802.15. 4. They are implemented by chips fabricated as RF CMOS integrated circuit (RF circuit).
Detailed explanation-3: -A personal area network (PAN) is the smallest and simplest type of network. PANs connect devices within the range of an individual and are no larger than about 10 meters (m). Because PANs operate in such limited areas of space, most are wireless and provide short-range connectivity with infrared technology.
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