broadband digital installer questions with accurate
answers
A cable gateway can replace which broadband cable operator supplied
devices? Ans✓✓✓ The cable gateway could replace a cable modem and
digital set-top box
A consideration to make when choosing the location to install an EMTA
is whether it is Ans✓✓✓ Near an unswitched electrical outlet to prevent
inadvertent service interruptions
A constant bit rate (CBR) telephone system is considered to be circuit-
switching technology because the analog audio signal is Ans✓✓✓
Converted into a digital DSO circuit and switched to other cable
telephony customers or to the telephone company's network
A key step in avoiding VoIP installation problems with common devices
is to Ans✓✓✓ Have customers verify that all their devices work
properly before beginning
A modular phone jack can contain either six positions or eight positions.
Pinning assighnmets for each position vary, depending on number of
wires attached and the wiring standards used. How do these pinning
assignments affect the placement of pair 1 of a twisted-pair cable?
Ans✓✓✓ Pair 1 is always connected to the center two pins
A modular plug contains four, six, or eight pin positions. Each position
is number and is used to terminate a specific tip or ring wire from a quad
,or twisted-pair cable. How are the pins on a modular jack numbered?
Ans✓✓✓ left to right, with the locking tab down
A network attached storage element should be connected to what
element in the home media network? Ans✓✓✓ The router
After mounting and wiring a new modular telephone jack in a star
installation where should the UTP cable from the new modular jack be
connected? Ans✓✓✓ To the tip and ring screw terminals or IDC on the
telephone distribution device
All telephone calbes are labled with either a level or category number
that designates the cable's performance criteria. How do CAT-1,2,3
cables compare to Cat-5e and higher cables? Ans✓✓✓ Cat 1,2,3 are
used only for voice applications, Cat 5e and higher are used for voice
and data.
An EMTA must have an internal battery installed to Ans✓✓✓ qalify as
a carrier class telephone service and enable uninterrupted operation
during short power outages
As part of the initialization process, an EMTA identity is established
with the CMTS by Ans✓✓✓ Entering its MAC address, and other
information that identifies the customer, into the cable operator billing
system
,Broadband cable operators view TV Everywhere as the answer to what
competitive service? Ans✓✓✓ The streaming of media (television
programs, movies, music, etc.)into data packets that can be received
over the internet or over-the-top (OTT)
Common devices that can be affected by a switch to VoIP telphony
include Ans✓✓✓ Fax machines, medical alert consoles, POS terminals,
hearing impaired service equipment
Commonly located in or close to the alarm panel, the RJ31X jack serves
as a passive device Ans✓✓✓ Between an alarm panel and the premises
wiring to enable line seizures and outbound dialing in alarm conditions.
During a cable telephone installation where there is a monitored alarm
system, the EMTA must be connected to Ans✓✓✓ The alarm system
before connecting to the customer's telephones to eliminate the
possibility of disabling the alarm by taking a phone off-hook
During DOCSIS modem registration, when does the modem become
sanctioned for high-speed data (HSD) service at the authorized service
levels? Ans✓✓✓ The modem becomes sanctioned for HSD service at
authorized service levels after a registration response message is sent to
the modem and the modem is assigned a service identifier (SID).
Entertainment cabinets with doors made of green glass, block what?
Ans✓✓✓ Infrared (IR) remote sensors
, For an EMTA to receive an authorization key for telephone service, the
MAC address Ans✓✓✓ Must be assigned to a customer account in the
billing system database which updates the CMTS
From where do DOCSIS modems receive their configuration files,
billing system messages, and access control messages? Ans✓✓✓ From
the CMTS acting as a "proxy" or messenger that transfers messages and
files between the modems and the respective servers
Generally speaking, a wide area network(WAN) can be described as
Ans✓✓✓ A network comprised of several local area networks(LAN)
and metropolitan area networks(MAN) interconnected into a single
network covering a large geographic area
Generating a dial tone in either a traditional telephone call or a
packetcable voice over internet protocol is similar, except Ans✓✓✓
Equipment in the central office for POTS senses the change in voltage
and generates a dial tone where the EMTA senses the change and
generates a dial tone in packetcable
How are Internet protocol (IP) and modem configuration information
sent to a DOCSIS modem? Ans✓✓✓ IP and modem configuration
information originates with a provisioning server and are sent to the
DOCSIS modem through the cable modem termination system (CMTS)
in a proxy arrangement.
How can delays caused by low upstream data throughput delay the
delivery of data in the downstream? Ans✓✓✓ If reception of the
answers
A cable gateway can replace which broadband cable operator supplied
devices? Ans✓✓✓ The cable gateway could replace a cable modem and
digital set-top box
A consideration to make when choosing the location to install an EMTA
is whether it is Ans✓✓✓ Near an unswitched electrical outlet to prevent
inadvertent service interruptions
A constant bit rate (CBR) telephone system is considered to be circuit-
switching technology because the analog audio signal is Ans✓✓✓
Converted into a digital DSO circuit and switched to other cable
telephony customers or to the telephone company's network
A key step in avoiding VoIP installation problems with common devices
is to Ans✓✓✓ Have customers verify that all their devices work
properly before beginning
A modular phone jack can contain either six positions or eight positions.
Pinning assighnmets for each position vary, depending on number of
wires attached and the wiring standards used. How do these pinning
assignments affect the placement of pair 1 of a twisted-pair cable?
Ans✓✓✓ Pair 1 is always connected to the center two pins
A modular plug contains four, six, or eight pin positions. Each position
is number and is used to terminate a specific tip or ring wire from a quad
,or twisted-pair cable. How are the pins on a modular jack numbered?
Ans✓✓✓ left to right, with the locking tab down
A network attached storage element should be connected to what
element in the home media network? Ans✓✓✓ The router
After mounting and wiring a new modular telephone jack in a star
installation where should the UTP cable from the new modular jack be
connected? Ans✓✓✓ To the tip and ring screw terminals or IDC on the
telephone distribution device
All telephone calbes are labled with either a level or category number
that designates the cable's performance criteria. How do CAT-1,2,3
cables compare to Cat-5e and higher cables? Ans✓✓✓ Cat 1,2,3 are
used only for voice applications, Cat 5e and higher are used for voice
and data.
An EMTA must have an internal battery installed to Ans✓✓✓ qalify as
a carrier class telephone service and enable uninterrupted operation
during short power outages
As part of the initialization process, an EMTA identity is established
with the CMTS by Ans✓✓✓ Entering its MAC address, and other
information that identifies the customer, into the cable operator billing
system
,Broadband cable operators view TV Everywhere as the answer to what
competitive service? Ans✓✓✓ The streaming of media (television
programs, movies, music, etc.)into data packets that can be received
over the internet or over-the-top (OTT)
Common devices that can be affected by a switch to VoIP telphony
include Ans✓✓✓ Fax machines, medical alert consoles, POS terminals,
hearing impaired service equipment
Commonly located in or close to the alarm panel, the RJ31X jack serves
as a passive device Ans✓✓✓ Between an alarm panel and the premises
wiring to enable line seizures and outbound dialing in alarm conditions.
During a cable telephone installation where there is a monitored alarm
system, the EMTA must be connected to Ans✓✓✓ The alarm system
before connecting to the customer's telephones to eliminate the
possibility of disabling the alarm by taking a phone off-hook
During DOCSIS modem registration, when does the modem become
sanctioned for high-speed data (HSD) service at the authorized service
levels? Ans✓✓✓ The modem becomes sanctioned for HSD service at
authorized service levels after a registration response message is sent to
the modem and the modem is assigned a service identifier (SID).
Entertainment cabinets with doors made of green glass, block what?
Ans✓✓✓ Infrared (IR) remote sensors
, For an EMTA to receive an authorization key for telephone service, the
MAC address Ans✓✓✓ Must be assigned to a customer account in the
billing system database which updates the CMTS
From where do DOCSIS modems receive their configuration files,
billing system messages, and access control messages? Ans✓✓✓ From
the CMTS acting as a "proxy" or messenger that transfers messages and
files between the modems and the respective servers
Generally speaking, a wide area network(WAN) can be described as
Ans✓✓✓ A network comprised of several local area networks(LAN)
and metropolitan area networks(MAN) interconnected into a single
network covering a large geographic area
Generating a dial tone in either a traditional telephone call or a
packetcable voice over internet protocol is similar, except Ans✓✓✓
Equipment in the central office for POTS senses the change in voltage
and generates a dial tone where the EMTA senses the change and
generates a dial tone in packetcable
How are Internet protocol (IP) and modem configuration information
sent to a DOCSIS modem? Ans✓✓✓ IP and modem configuration
information originates with a provisioning server and are sent to the
DOCSIS modem through the cable modem termination system (CMTS)
in a proxy arrangement.
How can delays caused by low upstream data throughput delay the
delivery of data in the downstream? Ans✓✓✓ If reception of the
