Complete Solutions
Which of the following best describes stereotyped thinking? Correct Ans-Presuming that all
members of a group have certain characteristics.
The attribute of being "active" as a critical thinker means Correct Ans-You observe and take
notes relevant to the issue.
What kind of reasoning is described as applying a general statement that you know to be true to a
new situation? Correct Ans-Deductive.
It is essential to pay attention to warning signs of stress overload. Poor attitude is one of the
behaviors that may indicate that you are overstressed. What are the symptoms of poor attitude
behavior? Correct Ans-A significant change in attitude with a noticeable movement toward
negative, hostile, cynical, or paranoid thoughts
You are at a customer's home and you are asking the customer whether the problem is
intermittent or constant. Which step are you using from the six-step troubleshooting
process? Correct Ans-Identifying the problem.
,Why should you take the time to take notes and accurately record data at each job
location? Correct Ans-Notes and recorded data are tools that can help you accurately
remember events at a site that can help you determine a plan of action or evaluate the decisions
you made.
You are at a customer's home and you believe you have solved the problem. When you check to
be sure the resolution did not introduce any new problems, which step are you using from the
six-step troubleshooting process? Correct Ans-Verifying the solution.
To break the habit of a negative self-talk cycle Correct Ans-Tell yourself "not now" and move
onto a positive thought whenever negative thoughts occur.
By taking control of the expectations you have, you are Correct Ans-More likely to improve
your motivation and be a better problem solver.
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-Diagnosing symptoms.
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-The digital set-top box (STB) overheats.
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 DOCSIS Set-top Gateway (DSG) client software and
embedded DOCSIS modems.
Because the spectral density of a quadrature amplitude modulation (QAM) channel is much
higher than that of an analog TV channel, what is done to ensure equal power in all channels in a
network with analog and digital modulation channels? Correct Ans-Operate the analog TV
channels at higher amplitude level than the QAM channels.
What does a set-top box (STB) diagnostic page of a quadrature amplitude modulation (QAM)
channel showing signal-to-noise ratio (SNR) near or below 30 dB indicate? Correct Ans-The
QAM channel quality is on the edge for reliable reception, and the source of the problem is likely
in the distribution network or customer premises.
Which Data over Cable Service Interface Specification (DOCSIS) layer is used by the cable
modem termination system (CMTS) to differentiate between cable modems? Correct Ans-The
DOCSIS Media Access Control (MAC) Layer.