Exam 8: Physical Transmission Media
Exam 1: Telecommunications Overview92 Questions
Exam 2: Principles of Telecommunications Technology83 Questions
Exam 3: The Evolution of Telecommunications Technology and Policy93 Questions
Exam 4: The Public Network94 Questions
Exam 5: Customer Premise Equipment and Applications94 Questions
Exam 6: Signaling and Switching93 Questions
Exam 7: Data Networking Fundamentals89 Questions
Exam 8: Physical Transmission Media94 Questions
Exam 9: Wireless Transmission and Services95 Questions
Exam 10: Network Access and Transmission Methods93 Questions
Exam 11: Data Network Connectivity92 Questions
Exam 12: Internet Standards and Services91 Questions
Exam 13: Information Security92 Questions
Exam 14: Convergence of Voice, Video, and Data93 Questions
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Which of the following is caused by sudden spikes in electromagnetic activity?
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(Multiple Choice)
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Correct Answer:
A
Does the term impedance refer to a type of noise that is caused by sudden spikes in electromagnetic activity?
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(True/False)
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Correct Answer:
False
The splicing of multiple fiber optic strands at once, whether by fusion or mechanical means, is referred to as mass splicing. _________________________
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(True/False)
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Correct Answer:
True
Match each statement below with the correct item
-A cable consisting of four insulated copper wires surrounded by a sheath.
(Multiple Choice)
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Which of the following is a device that filters a signal so as to remove frequencies higher and lower than the range of frequencies known to carry data?
(Multiple Choice)
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What term is used to describe the metallic substance that surrounds an insulated copper wire in shielded twisted-pair cabling?
(Short Answer)
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Does the term pinout refer to the individual wire termination within a connector?
(True/False)
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Match each statement below with the correct item
-The combined effect of a circuit's inductance and capacitance.
(Multiple Choice)
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Which of the following refers to the unintended modification of at least one signal component, that makes the received signal different than that originally transmitted?
(Multiple Choice)
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Which of the following is the standard connector used for modern twisted-pair cables such as CAT5?
(Multiple Choice)
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Which of the following is a record of how well a system or network operates under normal conditions?
(Multiple Choice)
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Level 1 is a cable that consists of four insulated copper wires surrounded by sheath. _________________________
(True/False)
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Which of the following refers to the ease with which a system or network can be extended?
(Multiple Choice)
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The term enterprise wide refers to the scope of a network that spans an entire organization.
(True/False)
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Which of the following is a type of fiber optic cable that contains a core, with a larger diameter, over which many pulses of light generated by a light emitting diode travel at different angles?
(Multiple Choice)
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A type of noise caused by sudden spikes in electromagnetic activity is called ____________________.
(Short Answer)
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What term is used to refer to the ease with which a system or network can be extended?
(Short Answer)
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Which of the following refers to the distortion of a signal that results from different signal components experiencing different levels of attenuation between the signal's sender and receiver.
(Multiple Choice)
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The extent to which a light signal weakens over distance on a fiber optic network is referred to as ____________________.
(Short Answer)
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A wall-mounted panel of data receptors into which cross-connect patch cables from the punch-down block are inserted, is referred to as a(n) patch cable. _________________________
(True/False)
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