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Author Question: ________ transmission uses high-frequency radio signals that are sent through the air using either ... (Read 70 times)

saraeharris

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on: Jul 7, 2018
________ transmission uses high-frequency radio signals that are sent through the air using either terrestrial (earth-based) systems or satellite systems.
 
  A) Rayleigh surface wave
  B) Heat wave
  C) Ultraviolet
  D) Microwave
  E) Infrared

Question 2

Wireless local area networks (WLANs) based on a family of standards called 802.11 are also referred to as ________.
 
  A) Bluetooth
  B) wireless fidelity (Wi-Fi)
  C) ethernet
  D) personal area networks
  E) infrared line of sight


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daiying98

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Reply #1 on: Jul 7, 2018
Answer to Question 1

D

Answer to Question 2

B


saraeharris

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Reply #2 on: Jul 7, 2018
Thank you


daiying98

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Reply #3 on: Jul 7, 2018
No problemo


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