A) Electro-magnetic
B) Electrical
C) Radio
D) Magnetic
E) Mechanical
Correct Answer: C
Solution :
[c] A wireless network uses radio waves, just like cell phones, televisions and radios do. In fact, communication across a wireless network is a lot like two-way radio communication. A computer's wireless adapter translates data into a radio signal and transmits it using an antenna. A wireless router receives the signal and decodes it.
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