NCTI Installer
Each time you install a component in a new or existing home security system you should
Verify each element of the security system is reporting back to the control panel
Which of the following is one way to maintain a professional appearance
Wear resin gear during inclement weather
Wood
When drilling an entry hole through an outside wall, drill from the outside to the inside in all materials except
Empathetic
When you can see a situation from another's point of view, you are
Optical splitters
components is used in a passive optical network (OPN)
Twisted-pair ethernet cables
kinds of cables are typically used to interconnect system components such as printers, workstations, and computers
W
symbol for power
Network interface controller
the computer hardware component inside the computer that connects the computer to a computer network
A universal remote control
type of remote can be programmed to operate more than one type of consumer electronic device
A digital signal analyzer
used to reliably assess the quality of a digital signal
how much time will it take the customer to build an image of your company?
15 seconds
the recommended viewing field for HDTV in the customer premises?
40 degrees or less*
What does a Data Over cable service interface specifications (DOCSIS) modem that is backward compatible to the previous version allow?
A DOCSIS3.0 modem will work in the network as a DOCSIS 1.1 if that is the version that is currently running
Ethernet
A network system that is used primarily within the same building or nearby buildings
A customer wanting to stream shows between networked DVRs will need
A wired connection using either Ethernet cable or coaxial cable
Motion detectors work best when
An intruder walks past it as opposed to walking toward it.
a characteristic of high definition television (HDTV)
Audio surround sound using Dolby Digital technology
When you are setting up customer devices use a cabling table so you can
Avoid signal conversions from the analog-to-digital or digital-to-analog
The red line*
Before digging in an underground installation, the utility lines will need to be located. Which of the following colors represents the eclectic line
the acceptable levels of the high-speed data (HSD) carrier when you take a reading at the wall plate
Between -15dBmv and +15 dBmV
An infrared motion detector works b
By sending out infrared light, after which the sensor waits for the light to be reflected back. If the light is disturbed, then an alarm is sounded*
IN the case of major damage to the customer premises during a home security installation,
Call your supervisor immediately and remain on the premises until a company representative arrives.
When connecting a STB to an HDTV device, what are the four inputs that must be used for HD quality programming
Component video, DVI, HDMI, or FireWire*
What is the function of the multiple quadrature amplitude modulation (QAM) tuners
Convert legacy DTV services being transported on QAM carriers to an IP format that can be received by IP devices
purpose of side cut or diagonal pliers
Cutting coaxial or other types of cable
the base 10 system
Digits 0 through 9 are used
What is the first step to complete when installing voice services at a customer premises
Disconnect the premises phone line from the incumbent carrier
To show respect and concern for your customers property during a security installation
Do not place tools on furniture where they might scratch the wood or soil the upholstery
One major difference between EMTA and cable modem is
EMTAs can be provisioned for only voice, data, or for voice and data
All employees within a cable company have customers, even if some of these employees never come into contact with these customers. Who are the people who buy a company's products or services?
External customers
fiber pigtail
Fiber optic cable with pre-connectorized ends*
If you know you are going to be late to a customer's home for a security installation
Have your dispatcher notify the customer and reschedule if necessary
scoring the center conductor
IT breaks the connection for high frequency RF signals*
When connecting coaxial cable to the embedded multimedia terminal adapter in a customer premises
Identify the EMTA coaxial cable at the house box and tag the line at the house box.
You should always check your work order before placing an outgoing call to a customer. Once you have connected with a customer, what is the first step you should take?
Identify yourself and company
What does NCTA-The internet & Television association recommend about the on-time guarantee?
If a preset appoint is not met, the installation charges should be waived*
Why should you avoid plugging an EMTA into a surge suppression outlet strip
If the EMTA loses power when the surge suppression is switched off, the customer loses their phone service.
What is the proper order of the major steps when provisioning a modem
Initial upstream contact is made from the powered-up modem, data is synchronized between the CMTS and modem IP connectivity is established
One of the first things you do to begin a video service installation at the customer's premise is
Inventory of the customers equipment and what needs to be connected for the installation
one reason that it is important to work hard to retain customers
It costs six times more to attract a new customer than to retain an existing customer
feature of multimode fiber
It is easier to handle and terminate than single-mode fiber
cable caddy
It keeps the cable safe from kinking
Fiberglass with aluminum rungs.
Ladders used in the cable industry are durable and do not conduct electricity through the length of the ladder.
It is important for the technician to exercise good judgment in the field. Which of the following is an example of practicing good judgment
Leave the premises if a customer is incapacitated by alcohol or drugs
What is one thing you want to ensure as you use a punch-down tool to connectorize an RJ-45 jack
Make sure that the punch-down tool blade matches the connector
Smoke detectors should be used to sound the alarm before heat detectors activate because
Many firebgin billowing smoke before intense heat builds up*
When mounting a wall plate to a wall, position the wall plate against the wall ove the entry hole, and align it with an adjacent electrical outlet. What is the next step when mounting a wall plate?
Mark anchor positions and make two anchor pilot holes with an awl.*
scratch awl
Marking the location on wood or drywall for drilling holes and installing cover plate screws
To maintain polarity in wires during a voice installation,
Match solid-colored wires to each other and striped wires to each other
A STB changes every signal to one output frequency or channel, so equipment downstream from the STB
Needs to be tuned to the STB's output channel
The Emergency Alert system (EAS) provides a way for cable companies to
Notify viewers regarding disaster warnings issued by local, state, or federal authorities
What percentage does a cables attenuation increase or decrease for every 10 degree change in temperature?
1%
a correct step when lifting the ladder using the D-ring carry
Place one hand on each side of center of ladder before lifting
the following is an example of professional behavior
Putting on shoes with oil-resistant and non-marking soles
After provisioning the modem for high speed services, what should you do to make sure the modem is provisioned correctly
Reboot the computer, open a browser and go to a website to click through.
If a customer indicates indecision about installing a home security system
Review the system the customer selected to ensure that it is capable of meeting all their needs*
Coaxial jumper
SLM accessory should be changed out every few days
structure of fiber-optic cable
Self-supporting aerial fiber cable requires grounding or bonding if it contains metal
Which of the following is true when using the six-step troubleshooting process?
Some steps may be performed simultaneously
What step must you complete in a voice services installation where there is a line amplifier in use
Split the drop before the amplifier so one leg goes to the embedded multimedia terminal adapter (EMTA) and the other to the amplifier.
the proper steps when descending the pole
Step down with both feet before adjusting the primary lanyard*
the F-connector slides over the dielectric and under the braid?
THe internal post
What is one essential difference between wiring for a regular voice installation and an installation with an alarm
The alarm system has to be the first device connected to the EMTA before all other devices in the home.
requests to discontinue service are made as a result of
The customer is dissatisfied with the service*
The cumulative Leakage Index (CLI) report is a numerical representation for the total amount of signal leakage in a network. Each cable system must submit a CLI report to what organization?
The federal communications commission (FCC)*
When placing a silver satin cable into the modular plug to connectorize a phone line, and connect the EMTA to a wall jack make sure the black wire is on
The left, as you look at the pins*
Prior to installation, review the home security installation work order with your customer to ensure that
The level of service ordered and all costs related to installation are clearly explained and acknowledged*
when attaching the lock box to the house?
The lock box should be located at least one foot from the utility meter and breaker box*
A split pair test result from a twisted-pair cable tester means
The positive or negative wire of one pair is connected to the negative or positive wire of an adjacent pair
The type of blade used in a punch-down tool is determined by
The punch-down block*
modulation
The reshaping of a carrier wave to include information contained by an input signal
What does the STB Diagnostic report?
The return carrier frequency and the signal level of the return carrier leaving the STB*
the appearance of the red ply on a safety strap indicate
The strap needs to be replaced right away*
To maintain solid contact in a two-line to two jack mount for voice services,
Tighten the screw terminal down, making sure the insulation of the wire going in goes just up to the edge of the conductive plate
Before beginning high-speed data service installation, ask the customer
To log on to the computer to ensure it is functioning properly*
Heat shrinking tubing is installed over the fusion-splice to strengthen and protect it. When should the heat shrink be installed on the fiber?
Before stripping the plastic coating from the fiber
PacketCable
CabelLabs-led project built to define the architecture for the delivery of real time internet protocol (IP) applications
What is one reason why broadband cable operators install fiber-optic cable in stages instead of changing the infrastructure all at once?
Changing the infrastructure all at once would cause too many service disruptions*
digital multimeter (DMM)
Check for hot Chassis condition
minimum safe length of a pole climbing gaff
1.25 inches measured on the flat underside next to the stirrup
the proper placement for an extension ladder
3 feet above roofline surface if moving from the ladder onto the roof
post bit-error-rate (BER)
A measurement of all bit error after forward error correction has been applied.*
attenuation
A reduction in signal strength through a cable system
carrier wave
A wave with a much higher frequency than the input signal
correct adjustment of pole climbers
Adjust leg irons so that the top of the pole climber is the one inch below the inner part of the knee joint
the difference between the fiber-to-the-node (FTTN) and fiber-to-the-curb (FTTC) topologies
An FTTC is allowed a smaller number of RF amplifiers between the optical fiber and the customer premises
How often must a cable operator monitor for signal leakage according to the FCC?
Annually
following guidelines should be followed when attaching exterior drop cable to the premises?
Attach one clip to a vertical cable run
safety practices must be followed when working with fiber-optic cable
Avoid looking directly into the end of a piece of fiber that may be connected to a light source
You are at the customers premises and you are using a signal leakage detector to check for leaks. You are detecting multiple leaks in the system. What should you do to isolate the leaks
Decrease the sensitivity on the signal leakage detector*
when testing for stray voltage using a foreign voltage detector (FVD)
Do not continue if an alarm sounds and more than 50 volts AC is indicated
the best drilling technique when routing cable through a brick wall?
Drill through the mortar in between or parallel with the brick
How are optical splitters used in the forward path?
In the forward path, optical splitters are used as passive branching devices that divide an optical signal across multiple output fibers*
You are using a signal level meter (SLM) to troubleshoot a problem, and you begin by measuring the signal at the wall plate. What should you do next if the signal is normal?
Inspect and test each customer premises equipment (CPE) device, cables and connectors*
the function of the central processing unit (CPU) in a computer, laptop, or tablet
It controls input, processing, storage, and output functions
minimum bending radius
It is the tightest bend that can be safely applied to coaxial drop cable
true about CAT-1 cabling
It is typically used in voice applications
the time domain reflectometer (TDR)
Locate cable cuts, unknown splices, splitters, directional couplers, and cabel impedance mismatches.
When an outside wall entry hole will not gain direct access to the back of the TV set, or when routing cable around the outside of the house is not practical, what is the next best option?
Locate the entry hole next to existing utility boxes and route the cable through a crawl space or basement.
A center conductor that is too short may cause
Low frequency signals being affected more than high frequency signals
Before drilling in the customer premises interior, what is one thing to keep in mind
Make the interior cable routing as inconspicuous as possible
Signal leakage
One of the first steps when you reach the site is to inspect the drop cable at the tap. Damaged cable can cause
situations can cause a hot chassis condition
Plugging an adapter incorrectly into a nonpolarized receptacle
when mounting splitters to an exterior wall
Position and attach drop cables with a minimum five-inch diameter drop loop for each port
the purpose of the shielding
Prevent ingress and egress
tools is used for twisted-pair work
Punch-down tool
What should be done first when fishing a cable
Push the fish tape to the desired location
best thing to do if you are wearing a hard hat in windy conditions
Put the chin strap on
EDTV
TV digital format was originally designed for progressive scan DVDs
cable modem emulator
Test and quantify the drop ability to provide high-speed data (HSD) or internet protocol (IP) Voice service
Cable modem
The cable modem termination system (CMTS) is one of the two main components of DOCSIS architecture. What is the other
A difference between installing a single dwelling unit (SDU) and a multiple dwelling unit (MDU) is
The cable should be inaccessible to unauthorized individuals
Which of the following is true about Wi-Fi Technology
The connection between the router and modem is always wired
when selecting the proper wire when bonding the drop
The wire should be solid copper or other corrosive resistant material*
the proper placement of an extension ladder when placing it against the strand
Turn the strand hooks so they face the strand
about extending the boom
Up and down movements of the boom are easier after the boom is extended
What else should you do during the troubleshooting process?
Verify that the problem was resolved*
Before you start work after climbing an extension ladder, how should you check for electrical hazards?
Visually inspect the broadband strand and feeder cable
A metal underground water pipe can be used as a bonding point as long as it meets the requirements of the current National Electrical Code (NEC) rules. When is bonding to a metal ground water pipe acceptable?
When the bonding point can be made within five feet of the pipe entrance to the building
the best time to wear rubber insulated safety gloves
When there is a possibility of coming in contact with electrical voltages
Step attenuator*
Which of the following will reduce signal strength on all the frequencies in the return path from the customer premises when attached at the tap?
Clear hooks from the strand
a proper step when removing the ladder from teh strand
Time division multiple access (TDMA)
the name of the technique that allows the signals to be send without losing data integrity
Sampling
the process of measuring an analog signal at a specific interval
Glow rod
tool is also called "fish sticks"
Digital multimeter
tool is used to check for a hot chassis condition
Drill
tool should you have the air vents clear and always store in in a dry area
CAT-5e
twisted-pair cable types is the current standard for household data and voice wiring
Plasma
type of screen display has been known to use a great deal of energy, can have a short lifespan, but has high-contrast, vibrant accurate color images
Distributed star
type of star topology used in passive optical network (PON) places the PON splitters into fiber access terminals (FAT) located deep in the network and closer to the customer premises than the centralized split
Rear projection
type of television display has a deeper cabinet, which affects the size of the screen
32dB or greater*
what modulation error ration (MER) should a 256-quadrature amplitude Modulation (QAM) signal operate?
A signal leakage detector or meter*
what test equipment is used to locate the source of signals egressing out of the feeder cable?
Set the parking brake*
when ascending in a bucket truck
Install a sealing sleeve
will effectively weatherproof the tap drop port connection
High-pass filter*
will prevent a device from communicating back to the headend, and should be removed on any cable leading to a two-way device
What is it about radio frequency over glass (RFoG) that made broadband cable operators envision using it to make a seamless transition from the legacy hybrid fiber/coax (HFC) architecture over to a gigabit- capable passive optical network (GPON) or Ethernet passive optical network (EPON)?
RFoG can operate in parallel with GPON or EPON, which eliminates the need for any downtime during the transition*
Wireless networks use low-power RF signals;therefore, which of the following is true about signal strength?
The greater the distance between wireless devices the lower the signal strength and data rate.
No more than 5-6 inches
descending a pole, and transitioning under an obstruction, the secondary lanyard should be no more than which height above the obstruction when transitioning the primary lanyard under the obstruction
Digital video recorder (DVR)
device enables customers to schedule recordings of television programs
Optical line terminal (OLT)
element of a passive optical network (PON) uses a Bragg grating filter
Optical distribution network (ODN
element of a passive optical network (PON) uses patch panels?
D-ring carry
one of the three correct ways of carrying a ladder
OS X
operating system is used exclusively on a Mac computer
Number of the twists
responsible for reducing crosstalk in twisted-pair cable
Distribution amplifiers
strengthen signals as they move further away from the headend through the trunk express system?
Banjo modular test adapter*
testing tool plugs into a modular phone jack to give you access to the individual wires at the outlet
Egress*
the following can cause interference with aircraft navigation and voice communications?
6:1
the following compression rates will enable six digital programs to be transmitted rather than one analog channel in a 6 MHz bandwidth
