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[Show more]What term describes the number of wave crests that pass a fixed point during a particular period of time? Answer Frequency 
 
In data networking, this term is defined as "Signals may flow in either direction, but not simultaneously". Answer Half-Duplex 
 
Two CPU's have the same size data bus. Wh...
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Add to cartWhat term describes the number of wave crests that pass a fixed point during a particular period of time? Answer Frequency 
 
In data networking, this term is defined as "Signals may flow in either direction, but not simultaneously". Answer Half-Duplex 
 
Two CPU's have the same size data bus. Wh...
20 milliamperes is the same as ________. (Remember, 1 milliampere = 0.001 ampere.) Answer 0.02 amperes 
 
The orbital shell that has a maximum electron capacity of 18 electrons is the ___________ shell. Answer Third 
 
A semiconductor material Answer Has four valence electrons. 
 
The major factor f...
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Add to cart20 milliamperes is the same as ________. (Remember, 1 milliampere = 0.001 ampere.) Answer 0.02 amperes 
 
The orbital shell that has a maximum electron capacity of 18 electrons is the ___________ shell. Answer Third 
 
A semiconductor material Answer Has four valence electrons. 
 
The major factor f...
Which of the following will strengthen signals as they move farther away from the headend through the trunk express system? Answer B) Distribution amplifiers. 
 
Which of the following describes a carrier wave? Answer B) A wave with a much higher frequency than the input signal. 
 
Which of the foll...
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Add to cartWhich of the following will strengthen signals as they move farther away from the headend through the trunk express system? Answer B) Distribution amplifiers. 
 
Which of the following describes a carrier wave? Answer B) A wave with a much higher frequency than the input signal. 
 
Which of the foll...
What is the difference between the FTTN and FTTC topologies? Answer An FTTC is allowed a smaller number of RF amplifiers between the optical fiber and the customer premises. 
 
What are the three categories of the fiber-optic cable used to identify the location of the fiber in the network? Answer Tr...
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Add to cartWhat is the difference between the FTTN and FTTC topologies? Answer An FTTC is allowed a smaller number of RF amplifiers between the optical fiber and the customer premises. 
 
What are the three categories of the fiber-optic cable used to identify the location of the fiber in the network? Answer Tr...
According to SCTE- and NCTA- recommended trunk system map symbols, fiber-optic cable is represented by Answer Double arrows within a small circle on a solid line. 
 
The forward path signal in a traditional tree-and-branch architecture Answer originates at the headend and is transmitted downstream t...
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Add to cartAccording to SCTE- and NCTA- recommended trunk system map symbols, fiber-optic cable is represented by Answer Double arrows within a small circle on a solid line. 
 
The forward path signal in a traditional tree-and-branch architecture Answer originates at the headend and is transmitted downstream t...
When pressure testing a drop system to check for leakage, What must be done before applying the test signal? Answer The technician must isolate the drop system from the hybrid fiber/coax (HFC) network by disconnecting the drop at the distribution tap. 
 
Why do some leakage detection systems utilize...
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Add to cartWhen pressure testing a drop system to check for leakage, What must be done before applying the test signal? Answer The technician must isolate the drop system from the hybrid fiber/coax (HFC) network by disconnecting the drop at the distribution tap. 
 
Why do some leakage detection systems utilize...
What are three principle characteristics that define an AC waveform? Answer The three principle characteristics that define an AC waveform are: (1) frequency; (2) wavelength; and (3) amplitude. 
 
What is one of the basic principles of resistance reflected in the familiar practices of grounding and ...
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Add to cartWhat are three principle characteristics that define an AC waveform? Answer The three principle characteristics that define an AC waveform are: (1) frequency; (2) wavelength; and (3) amplitude. 
 
What is one of the basic principles of resistance reflected in the familiar practices of grounding and ...
20 milliamperes is the same as _________ amperes. 
A 2 
B 0.2 
C 0.02 
D 0.002 Answer C 
 
The orbital shell that has a maximum capacity of 18 valence electrons is the ________ shell. 
A First 
B Second 
C Third 
D Fourth Answer C 
 
A semiconductor material has ___ valence electron(s) 
A 1 
B 2 
C ...
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Add to cart20 milliamperes is the same as _________ amperes. 
A 2 
B 0.2 
C 0.02 
D 0.002 Answer C 
 
The orbital shell that has a maximum capacity of 18 valence electrons is the ________ shell. 
A First 
B Second 
C Third 
D Fourth Answer C 
 
A semiconductor material has ___ valence electron(s) 
A 1 
B 2 
C ...
Why do only the outer electrons leave their orbit shells? Answer Only outer electrons leave their orbit shells because electrons farthest from the nucleus are more easily freed from their orbits due to a weaker electrostatic force. 
 
What is required to have a balanced (or stable) atom? Answer The ...
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Add to cartWhy do only the outer electrons leave their orbit shells? Answer Only outer electrons leave their orbit shells because electrons farthest from the nucleus are more easily freed from their orbits due to a weaker electrostatic force. 
 
What is required to have a balanced (or stable) atom? Answer The ...
What is the name of the group that established the initial technical standards for the television industry, ensuring a single system would deliver consistent service across the nation? Answer The National Television System Committee (NTSC). 
 
What signal modulation technique do cable operators use ...
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Add to cartWhat is the name of the group that established the initial technical standards for the television industry, ensuring a single system would deliver consistent service across the nation? Answer The National Television System Committee (NTSC). 
 
What signal modulation technique do cable operators use ...
Joseph is listening to Brenda, his direct report, talk about her interactions with a difficult client, yesterday. Brenda says, "I know my customer wasn't happy with our product but he really took out his frustration on me. He assumed I was the reason for his discomfort and spent ten minutes berati...
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Add to cartJoseph is listening to Brenda, his direct report, talk about her interactions with a difficult client, yesterday. Brenda says, "I know my customer wasn't happy with our product but he really took out his frustration on me. He assumed I was the reason for his discomfort and spent ten minutes berati...
if a customer already has television service and is adding high speed data service, what should be checked on the digital television channels? Answer intermittent operation, which is a symptom of noise interference in the downstream 
 
Installing a cable modem and router in a closet or utility room ...
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Add to cartif a customer already has television service and is adding high speed data service, what should be checked on the digital television channels? Answer intermittent operation, which is a symptom of noise interference in the downstream 
 
Installing a cable modem and router in a closet or utility room ...
In what applications is a splice closure used? Answer Splice closures are used to protect optical fibers and splices against a full range of environmental changes in aerial installations or below ground in vaults. 
 
When preparing a fiber-optic cable for splicing, what is the purpose of removing ap...
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Add to cartIn what applications is a splice closure used? Answer Splice closures are used to protect optical fibers and splices against a full range of environmental changes in aerial installations or below ground in vaults. 
 
When preparing a fiber-optic cable for splicing, what is the purpose of removing ap...
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