Broadband Digital Installer 2025/2026
Exam Questions and Answers | 100%
Solved
What functionality is integrated in all modern signal level meters (SLM) to
measure specific parameters of a digital modulation carrier containing
digital television (DTV) and Data Over Cable Service Interface Specification
(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 (DTV) signal? - 🧠 ANSWER
✔✔Carrier average power level, modulation error ratio (MER), and bit error
ratio (BER).
,How do cable operators ensure that only paying customers are receiving
digital television (DTV) service? - 🧠 ANSWER ✔✔Cable operators prevent
unauthorized reception of DTV services by scrambling or encrypting the
services.
Why were digital terminal adapters (DTA) originally installed in the
customer premises? - 🧠 ANSWER ✔✔Because the customer wanted
service to their analog TV and subscribed to basic-only service.
What determines the amount of content that can be stored on a digital
video recorder (DVR)? - 🧠 ANSWER ✔✔The hard drive capacity and the
format of the stored content.
A cable gateway can replace which broadband cable operator supplied
devices? - 🧠 ANSWER ✔✔The cable gateway could replace a cable
modem.
What forced customers to choose between the integrated entertainment
system furniture cabinet and upgraded system components? - 🧠 ANSWER
✔✔Advances in technology, such as color television, upgraded turntables,
etc.
, What functionality do many Blu-ray players have, besides playing back
discs? - 🧠 ANSWER ✔✔Many Blu-ray players have built-in media
streaming capabilities through a wired or wireless network connection.
Entertainment cabinets with doors made of green glass block which of the
following from electronic components? - 🧠 ANSWER ✔✔Infrared (IR)
remote sensors.
The first version of the Data Over Cable Service Interface Specification
(DOCSIS) was approved as an international standard by what
organization? - 🧠 ANSWER ✔✔The International Telecommunication Union
(ITU).
What criteria does the Data Over Cable Service Interface Specification
(DOCSIS) certification process ensure? - 🧠 ANSWER ✔✔Compliance with
the DOCSIS standard and interoperability between suppliers.
Which layers of the Open Systems Interconnection (OSI) reference model
are specific to cable networks and are present only between Data Over
Cable Service Interface Specification (DOCSIS) modems and the cable
modem termination system (CMTS)? - 🧠 ANSWER ✔✔Layers 1 through 4
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
Exam Questions and Answers | 100%
Solved
What functionality is integrated in all modern signal level meters (SLM) to
measure specific parameters of a digital modulation carrier containing
digital television (DTV) and Data Over Cable Service Interface Specification
(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 (DTV) signal? - 🧠 ANSWER
✔✔Carrier average power level, modulation error ratio (MER), and bit error
ratio (BER).
,How do cable operators ensure that only paying customers are receiving
digital television (DTV) service? - 🧠 ANSWER ✔✔Cable operators prevent
unauthorized reception of DTV services by scrambling or encrypting the
services.
Why were digital terminal adapters (DTA) originally installed in the
customer premises? - 🧠 ANSWER ✔✔Because the customer wanted
service to their analog TV and subscribed to basic-only service.
What determines the amount of content that can be stored on a digital
video recorder (DVR)? - 🧠 ANSWER ✔✔The hard drive capacity and the
format of the stored content.
A cable gateway can replace which broadband cable operator supplied
devices? - 🧠 ANSWER ✔✔The cable gateway could replace a cable
modem.
What forced customers to choose between the integrated entertainment
system furniture cabinet and upgraded system components? - 🧠 ANSWER
✔✔Advances in technology, such as color television, upgraded turntables,
etc.
, What functionality do many Blu-ray players have, besides playing back
discs? - 🧠 ANSWER ✔✔Many Blu-ray players have built-in media
streaming capabilities through a wired or wireless network connection.
Entertainment cabinets with doors made of green glass block which of the
following from electronic components? - 🧠 ANSWER ✔✔Infrared (IR)
remote sensors.
The first version of the Data Over Cable Service Interface Specification
(DOCSIS) was approved as an international standard by what
organization? - 🧠 ANSWER ✔✔The International Telecommunication Union
(ITU).
What criteria does the Data Over Cable Service Interface Specification
(DOCSIS) certification process ensure? - 🧠 ANSWER ✔✔Compliance with
the DOCSIS standard and interoperability between suppliers.
Which layers of the Open Systems Interconnection (OSI) reference model
are specific to cable networks and are present only between Data Over
Cable Service Interface Specification (DOCSIS) modems and the cable
modem termination system (CMTS)? - 🧠 ANSWER ✔✔Layers 1 through 4
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
