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Author Question: Analog signals can use copper wire or use transmission media such as fiber-optics or ________ ... (Read 102 times)

future617RT

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on: Jul 7, 2018
Analog signals can use copper wire or use transmission media such as fiber-optics or ________ (radio, microwave, infrared).
 
  A) wired
  B) wireless
  C) parallels
  D) unicode

Question 2

Do all emails have headers?
 
  What will be an ideal response?


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nhea

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

B

Answer to Question 2

Yes, emails have headers even though you cannot see them. Most email clients or hosting services allow you to look at the header if you are interested.


future617RT

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Reply #2 on: Jul 7, 2018
TY


nhea

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Reply #3 on: Jul 7, 2018
Happy to Help


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