Ait235 Quizes Essay

5719 Words Nov 26th, 2012 23 Pages
WEEK 1 QUIZ
The _________ is a term for the device or unit that originates the information transfer.
Answer
* receiver * transmitter * repeater * amplifier
5 points
Question 2 A half-duplex circuit carries information ______________ .
Answer
* both ways but only one way at a time * only one way * both ways simultaneously * none of the above
5 points
Question 3
The _________ is a term for the device or unit that receives the information transfer.
Answer
* receiver * transmitter * repeater * amplifier
5 points
Question 4
A _________ area network usually has an extremely limited distance of a few feet or meters.
Answer
* local * metropolitan *
…show more content…
Answer * increases * remains the same * decreases * cannot be determined
5 points
Question 10
A frequency of 1 megahertz has a wavelength of ____________ .
Answer
* 3 meters * 30 meters * 300 meters * 3,000 meters
5 points
Question 11
A frequency of 3 megahertz has a wavelength of ____________ .
Answer
* 1 meters * 10 meters * 100 meters * 1,000 meters
5 points
Question 12
A wavelength of 30 meters has a frequency of ____________.
Answer
* 1 megahertz * 10 megahertz * 100 megahertz * 1,000 megahertz
5 points
Question 13 A wavelength of 20 meters has a frequency of ____________.
Answer
* 10 megahertz * 15 megahertz * 20 megahertz * 25 megahertz
5 points
Question 14
Twisted pair copper wire is twisted to reduce ___________.
Answer
* bandwidth * frequency * cross-talk * cost
5 points
Question 15 Twisted pair copper and coaxial cable have __________ bandwidth limits.
Answer
* lower * upper * no known * exactly the same
5 points
Question 16 Twisted pair copper wire is specified by ___________.
Answer
* AWG * CATegory * insulation * all of the above
5 points
Question 17
Fiber optic cables may be classified as ______________.
Answer
* step-index * graded-index * single mode * any of the above
5 points
Question 18
Waveguides have

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