Free Exam: IT08-Q04 - Data Communications & Networks
Number of Questions in Test: 23
Number of Questions in Preview: 5
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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 |