new hire Flashcards
What kind of TV uses thousands of florescent lights grouped in sets of three that comprise each pixel?
Plasma
What type of device provide a customer with the most popular calling features, with enhanced 911 functionality and battery backup
eMTA
What are the four types of remotes?
Universal learning, universal, unified, dedicated
How much space should surround a digital converter for proper heat dissipation?
2-2.5”
What are the most common features on a remote control?
Changing the channels, Turning the TV on and off, Scanning through your favorite channels, Recalling the last channel you watched, Activating parental lockout control, Muting the sound Controlling volume
What is the purpose of the drop cable?
The drop cable delivers RF to the customers home via the wall outlet
What is used to compensate for signal loss over long drops?
Drop amplifier
Which device connects the drop system to the feeder system?
Tap
What is the installation method of choice to feed outlets in a home from the primary service distribution point?
Passive, un-amplified and balanced RF splitting distribution network
Shield of drop cable consists of ____ and _____
foil and braid
What signals are carried on composite video?
Brightness, color information and synchronization pulses
SPIDF supports which Dolby Digital surround sound formats?
5.1, 6.1 and 7.1
Which type of cable has become the standard for interfacing Home Theatre componenets?
HDMI
Which interconnect uses light to transmit audio signals?
Toslink, EIA/J
Firewire supports the movement of multimedia data and large files at what two speeds?
400 Mbps and 800 Mbps
What is a combination of spatial image compression and temporal motion compensation?
Digital Compression
What is the ideal BER of a 256QAM channel of 40Mbps?
1.0E-09
How much bandwidth has the FCC allocated to a single digital channel?
19.39 megabits per second (Mbps)
What type of signal is a continuous waveform?
Analog signal
Who mandates certain frequency levels for various types of communication?
The FCC
Helping the customer to help themselves by learning more about their equipment will often provide _______
A better customer experience
When providing an explanation to a customer, make sure to avoid the use of _____
Jargon or Slang
What should be done before performaing any work at an install?
Discuss details of the install with the customer
On an HSD install, after the customer completes the brief FTUE initiation, you (the technician) will take the customer to the Profile Page…what is the web address?
http://xfinity.com/profile
What is the Comcast Customer Gurantee?
We will give you a 30-day, money-back guarantee on all our services. We will be respectful and courteous of you and your home. We will answer your questions at your convenience. We will offer easy-to-understand packages and provide you with a clear bill. We will continually offer the best and most video choices. We will quickly address any problem you experience. We will schedule appointments at your convenience and be mindful of your time.
What are three ways to reduce stress?
Take 3 Deep Breaths Count to 10 Take a short break
What will will largely determine the quality of your work relationships.
Attitude
Name two Verbal behaviors to avoid at work:
1) Arguing 2) Swearing 3) Yelling 4) Mocking 5) Talking back 6) Blaming others 7) Talking “under your breath” 8) Not returning phone calls
Who is responsible for using the iPhone/laptop/Symbol device to process completed work orders
The technician
Where can the organizational structure map be viewed?
The People Finder through TeamComcast
A hard hat will absorb ___ of the force of a blow
75%
What are the four types of gloves?
work, climbing, electrical, acid-resistant
What is the ANSI standard for safety glasses?
z87.1
What ANSI standard describes hard hats?
z89.1
What is the purpose of a hard hat?
To prevent head injury
The Rule of Three for Xfinity TV:
Provide Welcome Kit Demonstrate navigation of the onscreen guide Explain Video On Demand and XfinityTV.com
The Rule of Three for Xfinity Internet
Provide Welcome Kit and assist in creation of Comcast.net email address and password Establish home page after consulting with the customer and communicating its value and convenience. Describe additional benefits such as Norton Security
Three steps to customer education:
Explain 2. Demonstrate 3. Practice
The Rule of Three for Xfinity Voice
Confirm customers new phone number Demonstrate Voice Mail and give Welcome Kit Introduce customer to SmartZone
Three materials to leave at a customer’s home:
- Welcome Kit 2. Signed copy of work order or printed receipt 3. Equipment manuals (remote, etc.)
…is a small weight that can be attached to the end of a handline and tossed over an obstruction. The drop cable is then attached to the rope and pulled.
Throwing weight
…are insulated combination pliers and cutting tool used for cutting heavier gauge wire or cables, such as Series 11 drop cable.
Lineman’s pliers
…is a stand designed to hold and transport a roll of drop cable.
Cable caddy
This is a multipurpose tool with a pointed shaft used for starting holes where drilling is required, or making holes in drywall for inserting plastic wall anchors.
Awl
…are used like pliers, but are adjustable for different sized objects while maintaining nearly the same leverage.
Channel locks
This section of the National Electric Code requires that specific types of coaxial cable be used in certain environments.
Section 820-50
The purpose of Coax’s outer jacket:
- Provides protection 2. Prevents moisture, dirt, & elements from entering cable
Name four types of coax:
CATV CATV-X CATV-R CATVP Series 59 Series 6 Series 7 QR320 Series 11
The jacket of underground cable is made from ____
Polyethelyne
If dielectric material has a higher percentage of air, the attenuation will be ____
Reduced
- Work gloves 2. Climbing gloves 3. Insulated electrical gloves
The three types of gloves you may use during the course of your work
Z89.1 1981 standard; class B
American National Standard Institute rating for hard hats
This is where the work takes place in a traffic control zone. It includes one or more buffer spaces.
Activity Area
Traffic Cones • Drums • Barricades • Lighting Devices • Warning Lights
Types of Channelizing devices
There are six things to do inorder to care for someone with Hypothermia. Name 4 out of the 6 treatment options
• Send someone to call 911 or a local emergency number • Gently move person to a warm place • Check breathing and pulse • Give rescue breathing as necessary • Remove any wet clothing and dry the person • Warm person slowly by wrapping in blankets or by putting dry clothing on person.
A technology that allows the fast transfer of Bi-Directional Analog and Digital signal over Coax, phone lines, wireless signals and satellite connections.
Broadband Technology
A range of wavelengths of electromagnetic emission.
Spectrum
Passage of an outside signal into the cable; can result in noise and disruption of the desired signal.
Ingress
The U.S. government agency established to regulate electronic communications.
Federal Communications Commission (FCC)
Label for consumer electronic devices, such as television sets and VCRs, that are designed to allow direct connection to a CATV network.
Cable Compatible/ Cable Ready
What type of cables are used in the HFC architecture?
Coaxial & Fiber
Where RF signals from many sources are combined together and fed into a fiber optic transmitter.
The Headend
The small flexible wire that connects the feeder portion of the distribution system at the tap to the terminal device(s) at the customer’s premises.
Drop Cable
Name the 3 active devices in the cable plant.
Amplifier, Node and Power Supply (New Hire: Cable 101: 2-32)
What are the four basic components of the distribution system?
-Amplifiers -Coaxial Hardline Cables -Power Supplies -Taps
This should be checked where the ladder will be set up, for stability.
The Ground
When you are moving the ladder just a short distance down the same leaning surface, such as the side of a house, you may use…….
Side Vertical Carry
What are the 4 types of ladder carry.
- Horizontal carry at the shoulder 2. Horizontal carry at the hip 3. Half-vertical, half-horizontal carry 4. Side vertical carry
In general, there are two types of vehicle ladder racks, what are they?
fixed rack and a “drop-down” or “side-winding” rack.
Name 4 things that should be inspected on a ladder
Rung locks - operate freely, Feet are on tight and have the proper protective grips/ pads, Rungs are solidly in place - not loose, worn, broken or missing, Fiberglass rails are solidly in place - no cracks, splinters, dents or worn spots, Rope - not frayed, worn or rotten, Rung lock flippers - working and not worn or bent, Pulley and mount bracket - not worn or cracked and wheel moves freely,Strand hooks are solidly in place - not bent or cracked
Providing a Welcome Kit, Demo the On Screen Guide and Explaining the On Demand. These are….
Xfinity Video Rule of Three
Provides Customers with reference information for quick and efficient resolution to inquiries and or problems.
Welcome Kit
Often the only face of Comcast that the customer ever sees.
Comcast Technicians
What is The Rule of 3 for Xfinity Internet?
Have the Customer Create a Xfinity.Net Email Address, Take Customer through online welcome site and provide a Welcome Kit.
These must be used on all outdoor F-connector interfaces to protect the threads from moisture contamination.
Thread protectors (sealing sleeves)
Wall plates must have a ____ inch hex recess molded into the wall plate to hold the F-81 and prevent it from turning.
7/16 inch
These types of staples must not be used on coaxial drop cables.
Metal
Only products approved by ____ _____ ____ shall be used in the drop system.
Comcast Corporate Engineering
Drop amplifiers shall meet the minimum requirements of what ANSI code?
ANSI/SCTE 161 2009
Used to protect customer floors from dirt and grime when entering a customer’s home.
Boot Cover
Has Steel or fiberglass shank.
Boots
Must meet ANSI standard Z87.1-2003 impact safety standard.
Safety Glasses
Helps keep hard hat stable on a Technician’s head.
Hard Hat Strap
Must meet CFR 1910.268 (g)(2)(i) - (ii) and 1926.959 standards.
Climbing Belt
The FCC was established in what year?
1934
1988 was Comcast ‘s ___ Anniversary
25th (est.1963)
In 1997, what Tech giant invested 1 Billion Dollars in Comcast?
Microsoft
What company was the name of the parent company to NBCUniversal, prior to Comcast’s purchase in 2013?
GE (General Electric)
What year did Brian Roberts receive his first training as a Cable Installer?
1975 (in the Company’s Westmoreland Cable System) ( corporate.comcast.com)
Name 3 of the 5 benefits of Fiber Optic over Coaxial Cable.
Low signal loss, Greater Bandwidth, Noise Immunity, Increased Security and Better Durability.
Fiber Optic Cable is part of what portion of the overall HFC Architecture?
Transportation System
This device converts light energy back to RF energy.
Node
Transports modulated light between the fiber node and the headend.
Fiber Optic Link
This has replaced the older Tree and Branch architecture in Cable Systems.
Hybrid Fiber-Coaxial Architecture (HFC)
Where are the 4 places you should check signal when troubleshooting shooting?
Tap, ground block, splitters, CPE
What are 4 things we still do the same as the old (1950s) cable system?
- We still capture and generate signals2. We still convert the signals so we can assign them to frequencies on the cable.3. we still amplify the signals as the move away from the source.4. we still convert the signals in the home so they can be used with the customer’s electronics.
What is a DCRF?
It is a type of headend.
A Mechanical device that is fitted onto the coax to allow connection?
F-connector
A tool used to extinguish a flame?
Fire Extinguisher
What class safety vest is required?
Class 3
Used to help make sure commtechs stay hydrated?
water cooler
a tool used for cutting metal?
Hacksaw
used to dig and bury cables.
Shovel.
Used to confirm a level wall plate and house box?
Torpedo Level
An aggressive self-feed bit that cuts fast and clean holes in wood.
Auger bit
Technology that encodes, compresses, and decodes video and audio so we can pack multiple programs in the same space as we used to carry one TV station.
MPEG2
Two commonly used digital SLMs are:
JDSU DSAMTrilithic 860
Key piece of equipment used by the commtech is the?
SLM
what iOS app is used to connect to Wifi?
Settings
what iOS app is used to store phone numbers?
Contacts
To maintain the SLM:
Keep battery chargedClean battery terminals and examine for corrosionCheck SLM against a known sourceWipe the SLM gently and dry the display screen to prevent spots
The volt-ohm meter measures:
VoltageResistanceContinuity
A test instrument used to measure AC and DC voltage, current, and resistance in ohms:
VOM
A VOM is used to test:
CablesAC powerBatteries
Types of volt-ohm meters:
DigitalAnalog
A polarity tester is used to check these 6 things in an electrical outlet?
Open GroundOpen NeutralOpen HotHot & Ground ReversedHot & Neutral ReversedCorrect Polarity
The leakage detector is used to measure?
Egress
Useful whenever there is a need to check for the presence of low voltage or insulated conductors without having to touch the live wire or cable:
Polarity tester
A polarity tester is used to check 6 things in an electrical outlet?
Open GroundOpen NeutralOpen HotHot & Ground ReversedHot & Neutral ReversedCorrect Polarity
A cable line (overhead or underground) which branches off a main line or feeder.
Tap
A cable television system’s master control operation where signals are received and delivered on various cable system channels. Also the point at which High-Speed internet, On Demand and local telephone signals are spliced into the cable signal.
Headend
The process of converting data into a coded form to prevent it from being read and understood by an unauthorized party.
Encryption
Two types of traps:
NegativePositive
Filters that block a channel or channels from being received by a cable TV customer:
Negative traps
Remove an interfering carrier from a channel that a customer wants to receive:
Positive trap
Any technology used to protect the interests of owners of content and services.
Digital Rights Management
A specification developed for protecting digital entertainment content that uses the DVI-D interface.
High-bandwidth Digital Content Protection
Date the FCC began requiring service providers to make CableCARDs available.
July 1, 2004
U.S. government agency established to regulate electronic communications.
FCC
Year the FCC was established:
1934
A mandate by the FCC which requires cable operators only deploy digital set-top boxes that have a PC card slot for a multichannel CableCARD, to decrypt channels.
Separable security
What is the app that allows you to access the VPN via you iOS device?
Junos Pulse
Procedure for installation, reconnects, and installation of additional outlets:
Verify the customers address and greet the customerVerify that all hardware and cable meet BRIS specicifationsReconnect the drop, if it is not connected already.
Two ways to carry out a disconnect:
Soft disconnect for addressable servicesHard or physical disconnect
A system of computers, peripherals, terminals, and databases connected by communications lines.
Network
A network where devices communicate with each other unaided (one-on-one basis) and various connection styles are available.
P2P Network
Similar to P2P Networks, these networks have dependencies on other equipment and services.
LANs
Similar to P2P Networks, these networks have servers, routers, and switches with which they communicate or authenticate themselves to operate.
LANs
A group of computers and associated devices such as printers and servers that share a common communication line and other resources within a small geographic area.
LAN (Local Area Network)
A computer that handles requests for data, email, file transfers and other network services from other computers.
Server
The recognition of a user as having a valid account on the system with legitimate access to its resources, usually determined during login by a username and password.
Authentication
Found in both residential and commercial environments and are used to communicate internally or to access the internet.
LANs
A group of computers geographically far apart, but connected.
WAN
The Internet is an example of what type of network.
WAN
This type of network spans and connects multiple LANs together.
WAN
These types of networks are used by businesses to connect multiple sites together for information sharing.
WANs
The largest version of a WAN is known as:
The Internet
Comcast cable systems: .NET customers are associated across the Comcast network before connecting to the World Wide Web via what type of network.
WAN
The width of a band of frequencies.
Bandwidth
Often used to refer to the range of frequencies able to distribute telecommunications services.
Bandwidth
This term in communications should be avoided with existing or potential customers: Its meaning has been diluted in recent years, as it has been used to refer to speed, time, file size, or the Internet in general.
Bandwidth
A term that is often used synonymously with speed.
Bandwidth
Name four factors that influence Network speed:
-Interface Cards-Transport Medium-Switches-Routers-Interference-Congestion