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Free Exam: IT08-Q04 - Data Communications & Networks

Number of Questions in Test: 23
Number of Questions in Preview: 5
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Question 1

When they become faint, analog signals are regenerated while digital signals are amplified.

Type: True/False
Points: 1

Question 2

What is the origin of the word "modem?"

Type: Multiple choice
Points: 1
Randomize answers: No

Question 3

How does noise affect a digital signal?

Type: Multiple choice
Points: 1
Randomize answers: No

Question 4

Which of the following would not be a source of EMI?

Type: Multiple choice
Points: 1
Randomize answers: No

Question 5

What is the term that refers to the outermost covering of a cable?

Type: Multiple choice
Points: 1
Randomize answers: No

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