BROADBAND DIGITAL
INSTALLER EXAM
what is the role of the router in the home media network? -
ANSWERS-Operating between the modem and the rest of the
network, the router assigns IP address to all of the network elements,
then uses the IP addresses to direct traffic among network elements
What is the trend that desktop computers are moving toward in many
homes? - ANSWERS-Desktop computers are moving toward being
used as a home network server.
What does a home network printer have that enables it to operate
through a network connection? - ANSWERS-A network interface
card
A network attached storage element should be connected to what
element in the home media network? - ANSWERS-The router
What entertainment multimedia elements are capable of receiving and
converting streamed over the top media into a television format? -
ANSWERS-Streaming media players, many blu ray disc players,
gaming consoles, and smart tvs
What could result if a customer's network has a data throughput of 6
megabit per second and three different high definition TV data
,streams of 12 Mbps each are being received simultaneously? -
ANSWERS-All three HDTVS will likely experience glitches,
annoying visual artifacts, or buffering in the programs being watched.
Which release of the IEEE 802.11 specification, was the first widely
accepted wireless standard to be branded with the wi-fi name? -
ANSWERS-IEEE 802.11b
Which protocol only utilizes the powerline system within the
customer premises to send and receive commands to connected
devices? - ANSWERS-X10
Which of the following is an open source protocol that utilizes mesh
networking to relay commands to connected devices within the
customer premise? - ANSWERS-Zigbee
Which protocol is best for exchanging data over short distances? -
ANSWERS-Bluetooth
Which protocol is backward compatible with X10 while expanding
home automation to include wireless communication? - ANSWERS-
Insteon
Power line carrier technology is communicated over which of the
following mediums? - ANSWERS-Power lines
,Which of the following ZigBee devices do not have the ability to
route commands and can only send and receive commands? -
ANSWERS-ZigBee End device
What is the maximum data rate of 802.11b network? - ANSWERS-
11Mbps
Out of the 40 channels that bluetooth Low Energy works within the
2.4 GHz spectrum, how many of those channels are advertising
channels? - ANSWERS-three
Which of the following home automation platforms does not support
Wi-Fi devices? - ANSWERS-Iris, Nexia
Which of the following platforms utilize iControl services? -
ANSWERS-Comcast Xfinity Home
What information is typically stored in a signal level meter's (SLM)
channel plan? - ANSWERS-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? - ANSWERS-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? - ANSWERS-
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? - ANSWERS-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)? - ANSWERS-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? -
ANSWERS-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? - ANSWERS-The cable gateway is being deployed as the next
evolutionary step for the STB.
INSTALLER EXAM
what is the role of the router in the home media network? -
ANSWERS-Operating between the modem and the rest of the
network, the router assigns IP address to all of the network elements,
then uses the IP addresses to direct traffic among network elements
What is the trend that desktop computers are moving toward in many
homes? - ANSWERS-Desktop computers are moving toward being
used as a home network server.
What does a home network printer have that enables it to operate
through a network connection? - ANSWERS-A network interface
card
A network attached storage element should be connected to what
element in the home media network? - ANSWERS-The router
What entertainment multimedia elements are capable of receiving and
converting streamed over the top media into a television format? -
ANSWERS-Streaming media players, many blu ray disc players,
gaming consoles, and smart tvs
What could result if a customer's network has a data throughput of 6
megabit per second and three different high definition TV data
,streams of 12 Mbps each are being received simultaneously? -
ANSWERS-All three HDTVS will likely experience glitches,
annoying visual artifacts, or buffering in the programs being watched.
Which release of the IEEE 802.11 specification, was the first widely
accepted wireless standard to be branded with the wi-fi name? -
ANSWERS-IEEE 802.11b
Which protocol only utilizes the powerline system within the
customer premises to send and receive commands to connected
devices? - ANSWERS-X10
Which of the following is an open source protocol that utilizes mesh
networking to relay commands to connected devices within the
customer premise? - ANSWERS-Zigbee
Which protocol is best for exchanging data over short distances? -
ANSWERS-Bluetooth
Which protocol is backward compatible with X10 while expanding
home automation to include wireless communication? - ANSWERS-
Insteon
Power line carrier technology is communicated over which of the
following mediums? - ANSWERS-Power lines
,Which of the following ZigBee devices do not have the ability to
route commands and can only send and receive commands? -
ANSWERS-ZigBee End device
What is the maximum data rate of 802.11b network? - ANSWERS-
11Mbps
Out of the 40 channels that bluetooth Low Energy works within the
2.4 GHz spectrum, how many of those channels are advertising
channels? - ANSWERS-three
Which of the following home automation platforms does not support
Wi-Fi devices? - ANSWERS-Iris, Nexia
Which of the following platforms utilize iControl services? -
ANSWERS-Comcast Xfinity Home
What information is typically stored in a signal level meter's (SLM)
channel plan? - ANSWERS-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? - ANSWERS-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? - ANSWERS-
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? - ANSWERS-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)? - ANSWERS-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? -
ANSWERS-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? - ANSWERS-The cable gateway is being deployed as the next
evolutionary step for the STB.
