Comcast Tech Training UPDATED ACTUAL Exam Questions and CORRECT Answers
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Course
Comcast Tech Training
Institution
Comcast Tech Training
Comcast Tech Training UPDATED
ACTUAL Exam Questions and CORRECT
Answers
What is a radio wave? - CORRECT ANSWER- A radio wave is an electromagnetic wave
that has been produced
by a transmitter.
Which analog TV channels are adjacent to each other by
channel name but not in frequency? - CORRE...
Comcast Tech Training UPDATED
ACTUAL Exam Questions and CORRECT
Answers
What is a radio wave? - CORRECT ANSWER✔✔- A radio wave is an electromagnetic wave
that has been produced
by a transmitter.
Which analog TV channels are adjacent to each other by
channel name but not in frequency? - CORRECT ANSWER✔✔- Channels 4 and 5, and
channels 6 and 7
What is attenuation and insertion loss? - CORRECT ANSWER✔✔- Attenuation is the
difference in RF energy between two points. It is
measured in decibels. Insertion loss is a drop in signal level that
occurs when a passive device is inserted into the coax.
Name some factors that cause cable attenuation. - CORRECT ANSWER✔✔- Factors that
affect coax attenuation:
i. Devices spliced into the drop
ii. Frequency of the carrier
iii. Temperature
iv. Length and gauge of the coax
Identify the devices that significantly increase passive loss, if
they are faulty, or have been inserted incorrectly. - CORRECT ANSWER✔✔- Devices that
significantly increase passive loss, if they are faulty,
or have been inserted incorrectly, are:
i. Splitters
ii. Directional couplers
iii. Drop taps
,iv. POE filter
v. Barrel splice
What is the difference between dB and dBmV? - CORRECT ANSWER✔✔- dB is a relative
logarithmic unit. It often refers to a change, such as
"the level increased by 3 dB." dBmV however is an absolute
measurement of signal level. An absolute signal is something that
can be measured with your meter.
List some of the uses of coaxial cable. - CORRECT ANSWER✔✔- Uses of coaxial cable:
i. Used in transporting radio signals
ii. Used in data, voice, and television communication, where RF
energy is used as the transport medium
What is the preferred method of coax cable routing? Why? - CORRECT ANSWER✔✔- The
best method of coax cable routing is the home run. It is
dedicated to each outlet, allowing greater flexibility and
management of RF. It provides greater reliability as a fault in any
one run will not impact other outlets.
How can ingress affect Comcast? - CORRECT ANSWER✔✔- Ingress can:
i. Affect the quality of our services; it may even cause a major
disruption
ii. Cause an excessive number of customer complaints
The root cause of the ingress may also be a source of egress or
signal leakage.
What are the sources of signal leakage? - CORRECT ANSWER✔✔- The sources of signal
leakage are:
i. Poorly constructed or loose F-connectors in the drop
ii. Staples or sharp objects piercing the cable jacket
,iii. Abrasion from mortar, brick, or metal structures
iv. Poor quality or inferior coax installed into the drop by a third
party
v. Cable that has been chewed on by rodents or dogs
vi. Loose POE filter, or an improperly installed terminator
vii. Antenna cable accidentally connected at the Comcast splitter
The features offered by XFINITY On Demand are: - CORRECT ANSWER✔✔- i. Watch
favorite movies and TV shows anytime and anywhere on
TV and online, on the tablet or smartphone
ii. Select from a wide selection of movies and TV series
iii. Stop a TV show or movie and watch it later
iv. On-screen guide search capabilities
v. Parental controls
vi. AnyRoom DVR and On Demand
The benefits of the XFINITY TV HD service are: - CORRECT ANSWER✔✔- i. More HD
Choices than Satellite
ii. More than 8,000 HD choices available On Demand
iii. Access to STARZ® HD movies On Demand, before their
network premieres
iv. No additional HD programming fees
The benefits of XFINITY Internet are: - CORRECT ANSWER✔✔- i. Fast speeds even with
the whole family online
ii. Share music and upload photos in the blink of an eye
iii. Play games online with less latency
iv. Constant Guard and XFINITY Connect provided
Some of the features of XFINITY Voice are: - CORRECT ANSWER✔✔- i. 3-Way Calling
ii. Anonymous Call Rejection
, iii. Call Forwarding, Call Forwarding Selective
iv. Call Return
v. Call Screening
vi. Call Waiting
vii. Caller ID and Caller ID with Call Waiting
viii. Caller ID Blocking Per Call and Blocking Per Line
ix. Repeat Dialing
x. Speed Dial
The XFINITY Home App is used to: - CORRECT ANSWER✔✔- i. Receive text and email
alerts
ii. Access the system remotely to change settings
iii. View video clips of key events from any Internet-connected PC
or smartphone
Ensure that the six main steps in the installation process are - CORRECT ANSWER✔✔- »
Step One: Establish the customer's requirements and
expectations.
» Step Two: Inspect the current set-up.
» Step Three: Plan your next steps and review them with the
customer
» Step Four: Install the new equipment.
Step Five: Verify the completed installation.
» Step Six: Wrap up, and then educate the customer.
List the three types of calls. - CORRECT ANSWER✔✔- 1. Domestic calls
2. International calls
3. Operator-assisted calls
#2 List the numbers you need
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