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Test Exam Questions and Answers for Data Communications And Computer Networks Already Passed

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Test Exam Questions and Answers for Data Communications And Computer Networks Already Passed twisted pair is the least quality twisted pair wire that should be used in a data/voice application - Answers Category 1 The first PCS technology uses a form of time division multiplexing called - Answer...

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  • October 12, 2024
  • 3
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • Computer Networking
  • Computer Networking

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Test Exam Questions and Answers for Data Communications And Computer Networks Already Passed

twisted pair is the least quality twisted pair wire that should be used in a data/voice application -
Answers Category 1

The first PCS technology uses a form of time division multiplexing called - Answers Time Division
Multiple Access (TDMA)

Which type of satellite remains located over the same point of earth at all times - Answers GEO

cable is virtually impossible to wiretap - Answers Fiber-optic

twisted pair is designed to support data transmission with signals as high as 200 MHz for 100 meters. -
Answers Category 6

cable is a thin glass cable, a little thicker than a human hair, surrounded by a plastic coating - Answers
Fiber-optic

The ____ system is an example of a single-user Earth station satellite system with its own ground station
and a small antenna (two to six feet across) - Answers VSAT

satellites are closest to the Earth - Answers Low-Earth-orbit (LEO)

The popular GPS devices that people use to find directions while driving use which type of satellite
system - Answers MEO

satellites can be found roughly 1000 to 3000 miles from the Earth - Answers Middle-Earth-orbit (MEO)

transmission means that to receive and transmit a signal, each antenna must be in sight of the next
antenna - Answers Line-of-sight

twisted pair was designed to transmit 20 Mbps of data for distances up to 100 meters - Answers
Category 4

systems transmit data over a wide range of frequencies rather than limiting transmissions to a narrow,
fixed band of frequencies - Answers Ultra-wideband

technology uses digital signaling in which the cable carries only one channel of digital data - Answers
Baseband coaxial

When a light signal inside the cable bounces off the cable wall and back into the cable, this is called -
Answers reflection

cable is approximately 4 mm (less than 1/4 inch) in diameter - Answers Thin coaxial

A recently publicized satellite system that has unique properties is the ____ satellite, which is used by
governments for spying and by scientific agencies for observing celestial bodies - Answers Highly-
elliptical-Earth-orbit (HEO)

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