Exam 11: Network Communications
Exam 1: Introductory Topics32 Questions
Exam 2: Amplitude Modulation: Transmission23 Questions
Exam 3: Amplitude Modulation: Reception32 Questions
Exam 4: Single-Sideband Communications34 Questions
Exam 5: Frequency Modulation: Transmission52 Questions
Exam 6: Frequency Modulation: Reception27 Questions
Exam 7: Communications Techniques16 Questions
Exam 8: Digital Communications: Coding Techniques26 Questions
Exam 9: Wired Digital Communications19 Questions
Exam 10: Wireless Digital Communications25 Questions
Exam 11: Network Communications40 Questions
Exam 12: Transmission Lines40 Questions
Exam 13: Wave Propagation25 Questions
Exam 14: Antennas18 Questions
Exam 15: Waveguides and Radar21 Questions
Exam 16: Microwaves and Lasers18 Questions
Exam 17: Television40 Questions
Exam 18: Fiber Optics33 Questions
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Which OSI level is concerned with message integrity between the source and destination?
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Which OSI level accepts outgoing messages and combines messages into packets, adding a header?
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Setting the destination MAC address to all 1's is called a:
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A cable with added inductance every 6000, 4500 or 3000 feet is called a:
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The voltage difference between the tip and ring lines of the phone line when it is on-hook is
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A number that identifies the switch nearest to the caller is called
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A technique used by cable modems to determine the time it takes for data to travel to the cable head-end is called.
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What are the two systems that most mobile telephone service providers presently use? (select two)
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Repeaters are used in T1 lines to carry voice channels when the lines stretch more than
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Which OSI level is associated with handling error recovery, flow control, and sequencing?
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The protocol that has been developed to bridge the gap between mobile communications, the internet, and corporate intranets is the :
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The FM capture effect in cellular telephone systems is hindered from minimizing co-channel interface effects due to:
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The ringing signal voltage of the telephone service is set at:
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When making a total harmonic distortion measurement of a 1kHz sinewave, the fundamental frequency of the test instrument must be set to:
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