PHYSICAL LAYER AND TRANSMISSION MEDIA
INTRODUCTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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____ are used for cellular phone, satellite, and wireless LAN communications.A) B) Infrared waves
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Radio waves
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Infrared waves
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Microwaves
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none of the above
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Explanation:
Detailed explanation-1: -Microwaves are used for satellite communication, but it isn’t the only one. A microwave antenna is used for its high frequency, which allows it to carry lots of information, and its short wavelength, which makes it easier to point directly at a receiving antenna.
Detailed explanation-2: -Bluetooth is a type of wireless communication used to transmit voice and data at high speeds using radio waves. It is a standard protocol for short-range radio communications between many different types of devices, including mobile phones, computers, entertainment systems and other electronics.
There is 1 question to complete.