Broadband Digital Installer 2025/2026
Exam Questions and Verified Answers |
Already Graded A+
What information is typically stored in a signal level meter's (SLM) channel
plan? - 🧠 ANSWER ✔✔The SLM channel plan typically includes the
channel number, center frequency, channel bandwidth, modulation type,
and symbol rate.
What advantages are there to performing automated measurements with
an SLM? - 🧠 ANSWER ✔✔Automated measurements help ensure
consistent measurement practices among different technicians.
What parameters of the RF carrier should be measured when diagnosing
or qualifying a digital TV (DTV) service? - 🧠 ANSWER ✔✔To diagnose or
qualify a DTV service, measurements such as power levels, modulation
,error ratio (MER), bit error rate (BER), etc. should be taken using a digital
signal analyzer.
When connected directly to the broadband cable network, what must be
done to the digital television set for it determine each channel's modulation
and encoding scheme? - 🧠 ANSWER ✔✔When connected directly to the
broadband cable network, the DTV must be instructed to "scan" all of the
incoming channels and store each channel's modulation and encoding
scheme into memory.
Which customers were originally targeted to use digital terminal adapters
(DTA)? - 🧠 ANSWER ✔✔The DTA was originally targeted to those
customers with analog TVs that subscribed to basic-only service.
What technology enables individual digital set-top boxes (STB) to receive
authorization to access-encrypted program content via a subscriber
management system (SMS), aka billing system? - 🧠 ANSWER
✔✔Addressable technology enables individual digital STBs to receive
authorization to access-encrypted program content via an SMS.
,What device is being deployed as the next evolutionary step for the STB? -
🧠 ANSWER ✔✔The cable gateway is being deployed as the next
evolutionary step for the STB.
What was a practical limitation of the integrated entertainment system
cabinet? - 🧠 ANSWER ✔✔The size of the picture tube was limited to what
could be installed in the integrated entertainment system cabinet.
Why did the digital versatile disc (DVD) player/recorder replace the
videocassette recorder (VCR) in many entertainment systems? - 🧠
ANSWER ✔✔The VCR was replaced in many entertainment systems
because of the DVD's compact size, excellent video and audio quality, and
the player's ease of use.
What could happen if system components are stacked on top of processor-
intensive components such as a set-top box (STB)? - 🧠 ANSWER
✔✔Stacking components on top of processor-intensive components such
as an STB can restrict the air flow that dissipates heat, which can cause
the STB to malfunction or fail.
What functionality has been added to many signal level meters (SLM) to
measure specific parameters of a digital modulation carrier containing
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
, digital television and DOCSIS signals? - 🧠 ANSWER ✔✔Digital signal
analyzer functionality
What is a risk of performing automated measurements on a sample of
channels, instead of all channels? - 🧠 ANSWER ✔✔Problems in
unmeasured channels may go undetected
Using a digital signal analyzer, what measurements are typically taken to
troubleshoot and diagnose a digital television signal? - 🧠 ANSWER
✔✔Carrier average power level, modulations error ratio and bit error rate
How do cable operators ensure that only paying customers are receiving
digital television service? - 🧠 ANSWER ✔✔Cable operators prevent
unauthorized reception of DTV services by scrambling or encrypting the
services.
When would a DTA be installed in the customer premises? - 🧠 ANSWER
✔✔When the customer subscribes to basic-only services
What determines how many days TV program schedules can be stored on
a digital set-top box? - 🧠 ANSWER ✔✔The amount of available STB
memory, the number of program channels and how often the carousel
server delivers new information.
Exam Questions and Verified Answers |
Already Graded A+
What information is typically stored in a signal level meter's (SLM) channel
plan? - 🧠 ANSWER ✔✔The SLM channel plan typically includes the
channel number, center frequency, channel bandwidth, modulation type,
and symbol rate.
What advantages are there to performing automated measurements with
an SLM? - 🧠 ANSWER ✔✔Automated measurements help ensure
consistent measurement practices among different technicians.
What parameters of the RF carrier should be measured when diagnosing
or qualifying a digital TV (DTV) service? - 🧠 ANSWER ✔✔To diagnose or
qualify a DTV service, measurements such as power levels, modulation
,error ratio (MER), bit error rate (BER), etc. should be taken using a digital
signal analyzer.
When connected directly to the broadband cable network, what must be
done to the digital television set for it determine each channel's modulation
and encoding scheme? - 🧠 ANSWER ✔✔When connected directly to the
broadband cable network, the DTV must be instructed to "scan" all of the
incoming channels and store each channel's modulation and encoding
scheme into memory.
Which customers were originally targeted to use digital terminal adapters
(DTA)? - 🧠 ANSWER ✔✔The DTA was originally targeted to those
customers with analog TVs that subscribed to basic-only service.
What technology enables individual digital set-top boxes (STB) to receive
authorization to access-encrypted program content via a subscriber
management system (SMS), aka billing system? - 🧠 ANSWER
✔✔Addressable technology enables individual digital STBs to receive
authorization to access-encrypted program content via an SMS.
,What device is being deployed as the next evolutionary step for the STB? -
🧠 ANSWER ✔✔The cable gateway is being deployed as the next
evolutionary step for the STB.
What was a practical limitation of the integrated entertainment system
cabinet? - 🧠 ANSWER ✔✔The size of the picture tube was limited to what
could be installed in the integrated entertainment system cabinet.
Why did the digital versatile disc (DVD) player/recorder replace the
videocassette recorder (VCR) in many entertainment systems? - 🧠
ANSWER ✔✔The VCR was replaced in many entertainment systems
because of the DVD's compact size, excellent video and audio quality, and
the player's ease of use.
What could happen if system components are stacked on top of processor-
intensive components such as a set-top box (STB)? - 🧠 ANSWER
✔✔Stacking components on top of processor-intensive components such
as an STB can restrict the air flow that dissipates heat, which can cause
the STB to malfunction or fail.
What functionality has been added to many signal level meters (SLM) to
measure specific parameters of a digital modulation carrier containing
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
, digital television and DOCSIS signals? - 🧠 ANSWER ✔✔Digital signal
analyzer functionality
What is a risk of performing automated measurements on a sample of
channels, instead of all channels? - 🧠 ANSWER ✔✔Problems in
unmeasured channels may go undetected
Using a digital signal analyzer, what measurements are typically taken to
troubleshoot and diagnose a digital television signal? - 🧠 ANSWER
✔✔Carrier average power level, modulations error ratio and bit error rate
How do cable operators ensure that only paying customers are receiving
digital television service? - 🧠 ANSWER ✔✔Cable operators prevent
unauthorized reception of DTV services by scrambling or encrypting the
services.
When would a DTA be installed in the customer premises? - 🧠 ANSWER
✔✔When the customer subscribes to basic-only services
What determines how many days TV program schedules can be stored on
a digital set-top box? - 🧠 ANSWER ✔✔The amount of available STB
memory, the number of program channels and how often the carousel
server delivers new information.
