NCTI - Computers and Broadband
Modems Conventional Full Exam
Questions & Answers28
The diagnostic page for downstream performance data such as bit error rate (BER) and
modulation error ratio (MER) - ANSWERS-What can be checked on the digital set-top box (STB)
to verify the reliability of the customer's drop system?
Access to the coaxial cable so that it can be routed to the DOCSIS modem, an electrical outlet to
power the DOCSIS modem and router, and an unshielded twisted-pair (UTP) network cable that
is labeled and has connectors installed using standard wiring configurations. - ANSWERS-
Installing a DOCSIS modem and router in a smart panel or utility room is simplified by having
what items in the room?
DOCSIS 3.0. - ANSWERS-Which version of the Data Over Cable Service Interface Specification
(DOCSIS) included the option to increase the top frequency of the upstream to 85 megahertz
(MHz)?
A router with a built-in multi-jack Ethernet switch. - ANSWERS-What device can be installed
with a DOCSIS modem to enable Internet access to multiple devices in the customer premises?
To verify account information and to confirm the HSD service order. - ANSWERS-Why is it a good
practice to review the service work order with the customer before beginning a high-speed data
(HSD) service installation?
By streaming and downloading high-content data, such as movies and TV shows in high-
definition (HD) throughout the billing period. - ANSWERS-Some cable operators charge an
additional fee when the amount of downloaded data during a billing cycle exceeds a prescribed
limit. How might a customer unknowingly approach these limits?
,Direct the customer to the cable operator's web page to show them what information is
available and to help them set up their email account. - ANSWERS-If the customer demonstrates
that they are experienced with accessing the Internet savvy, what should be the next step in the
customer education portion of the high-speed data (HSD) service installation?
They might appreciate having easy access to a website that contains links to their email and
other useful or interesting links. - ANSWERS-If the customer is an Internet novice, what would
be the benefit of saving your company's website as their home page?
Being culturally sensitive and not patronizing. - ANSWERS-Being polite in professional
communications with a customer includes
Asking numerous clarifica
Electromagnetic interference (EMI). - ANSWERS-If stored data and hard drive formatting is lost
on a customer's computer, the likely cause is
Use anti-static equipment when handling or transporting electronic devices. - ANSWERS-The
best way to avoid electrostatic discharge (ESD) is to
Unplug the system. - ANSWERS-Before beginning work on a customer's computer system,
Phillips screwdriver. - ANSWERS-The most common tool for personal computer repair is the
A digital multimeter. - ANSWERS-The tool used to measure voltage, current, and resistance
when working with computers is
A technician's loose clothing or jewelry could get caught or tangled in fans or other moving
parts, causing damage to them or the computer, or causing personal harm. - ANSWERS-What is
, the risk in wearing loose clothing or jewelry (ties, scarves, necklaces, bracelets, etc.) when
working on a computer?
Type BC or C. - ANSWERS-What type of fire extinguisher should be kept on hand in case of
electrical fire in a computer?
A cable kluge makes it difficult to track a connection between devices, and it could cause
electromagnetic interference (EMI), - ANSWERS-What are the risks of cable kluge behind a
computer?
Reformat the hard drive. - ANSWERS-What can be done to repair a computer after its hard drive
has been exposed to electromagnetic interference (EMI), causing stored data to be lost?
Data in storage is moved to random access memory (RAM), input is provided, processing occurs,
output is provided for review, and the data is then returned to storage. - ANSWERS-The basic
steps of the computing process are
The system unit. - ANSWERS-The main box of a computer system that contains the motherboard
and central processing unit (CPU) can also be called
Peripheral devices. - ANSWERS-Devices connected externally to a computer's system unit are
known as
An Ethernet connector. - ANSWERS-A common connector used in a computer system to provide
a direct connection to a cable modem, router, or local area network (LAN) is
The motherboard. - ANSWERS-Inside a computer system's case, the component that provides
connections for all other computer components is/are
Modems Conventional Full Exam
Questions & Answers28
The diagnostic page for downstream performance data such as bit error rate (BER) and
modulation error ratio (MER) - ANSWERS-What can be checked on the digital set-top box (STB)
to verify the reliability of the customer's drop system?
Access to the coaxial cable so that it can be routed to the DOCSIS modem, an electrical outlet to
power the DOCSIS modem and router, and an unshielded twisted-pair (UTP) network cable that
is labeled and has connectors installed using standard wiring configurations. - ANSWERS-
Installing a DOCSIS modem and router in a smart panel or utility room is simplified by having
what items in the room?
DOCSIS 3.0. - ANSWERS-Which version of the Data Over Cable Service Interface Specification
(DOCSIS) included the option to increase the top frequency of the upstream to 85 megahertz
(MHz)?
A router with a built-in multi-jack Ethernet switch. - ANSWERS-What device can be installed
with a DOCSIS modem to enable Internet access to multiple devices in the customer premises?
To verify account information and to confirm the HSD service order. - ANSWERS-Why is it a good
practice to review the service work order with the customer before beginning a high-speed data
(HSD) service installation?
By streaming and downloading high-content data, such as movies and TV shows in high-
definition (HD) throughout the billing period. - ANSWERS-Some cable operators charge an
additional fee when the amount of downloaded data during a billing cycle exceeds a prescribed
limit. How might a customer unknowingly approach these limits?
,Direct the customer to the cable operator's web page to show them what information is
available and to help them set up their email account. - ANSWERS-If the customer demonstrates
that they are experienced with accessing the Internet savvy, what should be the next step in the
customer education portion of the high-speed data (HSD) service installation?
They might appreciate having easy access to a website that contains links to their email and
other useful or interesting links. - ANSWERS-If the customer is an Internet novice, what would
be the benefit of saving your company's website as their home page?
Being culturally sensitive and not patronizing. - ANSWERS-Being polite in professional
communications with a customer includes
Asking numerous clarifica
Electromagnetic interference (EMI). - ANSWERS-If stored data and hard drive formatting is lost
on a customer's computer, the likely cause is
Use anti-static equipment when handling or transporting electronic devices. - ANSWERS-The
best way to avoid electrostatic discharge (ESD) is to
Unplug the system. - ANSWERS-Before beginning work on a customer's computer system,
Phillips screwdriver. - ANSWERS-The most common tool for personal computer repair is the
A digital multimeter. - ANSWERS-The tool used to measure voltage, current, and resistance
when working with computers is
A technician's loose clothing or jewelry could get caught or tangled in fans or other moving
parts, causing damage to them or the computer, or causing personal harm. - ANSWERS-What is
, the risk in wearing loose clothing or jewelry (ties, scarves, necklaces, bracelets, etc.) when
working on a computer?
Type BC or C. - ANSWERS-What type of fire extinguisher should be kept on hand in case of
electrical fire in a computer?
A cable kluge makes it difficult to track a connection between devices, and it could cause
electromagnetic interference (EMI), - ANSWERS-What are the risks of cable kluge behind a
computer?
Reformat the hard drive. - ANSWERS-What can be done to repair a computer after its hard drive
has been exposed to electromagnetic interference (EMI), causing stored data to be lost?
Data in storage is moved to random access memory (RAM), input is provided, processing occurs,
output is provided for review, and the data is then returned to storage. - ANSWERS-The basic
steps of the computing process are
The system unit. - ANSWERS-The main box of a computer system that contains the motherboard
and central processing unit (CPU) can also be called
Peripheral devices. - ANSWERS-Devices connected externally to a computer's system unit are
known as
An Ethernet connector. - ANSWERS-A common connector used in a computer system to provide
a direct connection to a cable modem, router, or local area network (LAN) is
The motherboard. - ANSWERS-Inside a computer system's case, the component that provides
connections for all other computer components is/are
