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Author Question: Which of the following methods uses high-frequency light waves to transmit signals on an ... (Read 147 times)

colton

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  • Posts: 627
on: Jul 7, 2018
Which of the following methods uses high-frequency light waves to transmit signals on an unobstructed path between nodes?
 
  A) Bluetooth
  B) wireless LAN
  C) high-frequency radios
  D) infrared line of sight
  E) microwave systems

Question 2

________ is the set of rules that governs how a given node or workstation gains access to the network to send or receive data.
 
  A) Packet switching
  B) Authentication service
  C) Source code
  D) Object-oriented language
  E) Media access control


billybob123

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  • Posts: 336
Reply #1 on: Jul 7, 2018
Answer to Question 1

D

Answer to Question 2

E


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