[Answered] Analog signals can use copper wire or use transmission media such as fiber-optics or _______

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future617RT

Hero Member
Posts: 543

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

Sr. Member
Posts: 305

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

Hero Member
Posts: 543

Reply #2 on: Jul 7, 2018

nhea

Sr. Member
Posts: 305

Reply #3 on: Jul 7, 2018

Happy to Help

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