NCTI: Troubleshooting Advanced
Services (New)
Which of the following characterizes the successful troubleshooter?
Correct Ans - Someone with an inquisitive and relentless desire to solve
and fix problems.
What must a technician be aware of when analyzing a digital TV (DTV)
problem? Correct Ans - There is frequently more than one contributor
to a specific DTV service problem.
After a digital TV (DTV) service problem has been analyzed and possible
causes considered, what is accomplished by isolating the various network
elements? Correct Ans - It narrows the scope of likely problem
sources.
During which step of the six-step troubleshooting process for a digital TV
(DTV) service problem are quadrature amplitude modulation (QAM) channel
measurements typically taken? Correct Ans - Diagnose
When replacing a splitter to resolve a digital TV (DTV) service problem, what
does confirming the splitter output levels before attaching the output
connectors do? Correct Ans - Confirmation reinforces the technician's
confidence that the problem will be resolved by replacing the splitter.
Which of the following digital TV (DTV) trouble calls could have been avoided
with customer education about the product? Correct Ans - STB
Overheating; IR Sensor; VOD recording; Occasional freezing
When troubleshooting a digital TV (DTV) authorization issue, what can be
verified using the set-top box (STB) diagnostic page? Correct Ans -
STB reception of authorization message data
Which type of set-top box (STB) operates more like Data Over Cable Service
Interface Specification (DOCSIS) cable modems with return channels on the
same frequencies used for cable modems? Correct Ans - STB with
Services (New)
Which of the following characterizes the successful troubleshooter?
Correct Ans - Someone with an inquisitive and relentless desire to solve
and fix problems.
What must a technician be aware of when analyzing a digital TV (DTV)
problem? Correct Ans - There is frequently more than one contributor
to a specific DTV service problem.
After a digital TV (DTV) service problem has been analyzed and possible
causes considered, what is accomplished by isolating the various network
elements? Correct Ans - It narrows the scope of likely problem
sources.
During which step of the six-step troubleshooting process for a digital TV
(DTV) service problem are quadrature amplitude modulation (QAM) channel
measurements typically taken? Correct Ans - Diagnose
When replacing a splitter to resolve a digital TV (DTV) service problem, what
does confirming the splitter output levels before attaching the output
connectors do? Correct Ans - Confirmation reinforces the technician's
confidence that the problem will be resolved by replacing the splitter.
Which of the following digital TV (DTV) trouble calls could have been avoided
with customer education about the product? Correct Ans - STB
Overheating; IR Sensor; VOD recording; Occasional freezing
When troubleshooting a digital TV (DTV) authorization issue, what can be
verified using the set-top box (STB) diagnostic page? Correct Ans -
STB reception of authorization message data
Which type of set-top box (STB) operates more like Data Over Cable Service
Interface Specification (DOCSIS) cable modems with return channels on the
same frequencies used for cable modems? Correct Ans - STB with
