CT1-4 New Hire,Video,Internet,CDV,X1,WiFi,MoCA,Biz(IS 2018) Flashcards
code to enable call forwarding variable
*72
2.60:1
PanaVision
Acronym HFC
Hybrid Fiber Coax
to dial an extension in a group do this
dial 2+last three digits of TN to dial extension in group
RJ-31x what’s the in what’s the out
In 4 and 5, Out 1 and 8
What is the minimum aerial clearance required for a residential driveway where there may be truck traffic.
15.5 feet
What are the four types of ladder carries?
Horizontal carry at the shoulder, Horizontal carry at the hip, Half vertical half horizontal carry, side vertical carry
Also known as Touch-Tone, this form of audio signaling was introduced by Western Electric in 1963.
DTMF dual-tone multi-frequency signaling
Name the 6 MoCA channels between 850-1000MHz
A1, B1, C1, C2, C3, C4
aspect ratio used in ultra-widescreen format (such as How the West Was Won)
2.60:1 or Panavision
code for call screening
*60
MoCA signals will attenuate approximately how much per 100 feet on RG6 cable
6.5 dB
How long can the XG2 Pause, Rewind or Fast Forward Live TV?
Up to 25 Minutes (PRD1370)
off hook voltage
6-8 VDC
When plugging in the XR8 what does a continuous blinking light on the adapter means?
Incompatible STB
code to enable call forwarding selective
*63
SAP is part of what standard that was originally set by the National Television Systems Committee
multichannel television sound (MTS)
What are the four types of systems in our network?
Headend, Transportation, Distribution, Drop
Cloud based client relationship management tool customized for Comcast business use, for SMB sales representative
Salesforce.com or SFDC
How is Comcast business different from residential
The primary difference is how Comcast responds to problems
Old wiring scheme 3rd pair
White blue
RF technology that operates on about 40MHz?
Garage door openers
forwards requests for a particular IP port pair to another IP port pair
PAT
The most recent HDMI release is version what, as of 2011
1.4b
The three main components of a Home Theater system are
Audio, Video, Environment
Name the four types of remotes
Universal, Unified, Dedicated and Universal Learning
Like having a virtual PBX Comcast hosted voice solution that includes features to run a more productive and efficient business
BVE
What is the minimum aerial clearance required for a business or alley?
16 feet
MAC
Media Access Control
What versions of MoCa do our in-home devices currently use
1.1 and 2.0
A rigid or flexible metallic or non-metallic raceway of circular cross-section through which cables can be pulled
conduit
When was Comcast founded
1963 as American Cable Systems. Our first system was built in Tupelo, Mississippi. Largest cable operator in USA
Traces a packet from your computer to an Internet host
traceroute
10-inch pounds is approximately how much of a turn past hand tight
1/8th
IP address has two parts what are they?
network and host
service distribution encloser should be installed how high off ground
4 ft min, 5 ft max
Is the means by which packets travel to and from their destination
Media
They are assigned to network interfaces through a software interface and can be assigned, reassigned, and changed as network needs evolve
IP address
At 750 MHz, 100 feet of RG6 cable loses roughly
5.5 dB
Acronym ILEC
Incumbent Local Exchange Carrier
5 key facts of how adults learn
Variety Experience Relevance Brevity Self Discovery
Which layer includes hardware specifications include VoIP devices and Bluetooth devices
Application layer
5 components of CRAN
Hub sites, U ring, S ring, Regional core, Regional network
FCC began requiring service providers to make CableCARDs™ available as of
July 1st 2004
Comcast Business is committed to delivering on the promise of providing customers the most reliable data, voice, and TV services that consistently exceed expectations.If your service is interrupted, we promise to resolve it as quickly as possible.If you report a service interruption that was our issue, you will receive a bill credit. It’s that simple.
comcast business promise
A group of computers geographically far apart, but are connected.
WAN
Whats the cider notation of a class C?
/24
code for deactivate group make busy
*233
Where can a customer go to find Comcast-approved retail modems and eMTA devices?
mydeviceinfo.xfinity.com
Business Service delivery care metrics:MTTR
4hrs (weekends and holidays too)
aspect ratio used in ultra-widescreen format (such as Ben Hur)
2.76:1 or Ultra Panavision
Which MPEG version is used for streaming or mobile
MPEG4
Clearance over roads, streets, alleys, nonresidential driveways, parking lots, and other areas subject to truck traffic.
18 ft
Code to deactivate call screening
*80
D1-D8 channel bands in MoCA 1.0 and 1.1 are used for what
CATV and consumer electronic retail MoCA services
Acronym PBX
Private Branch Exchange
RF technology that operates on 150-155MHz?
Law Enforcement and Fire
Transforms light energy from optical cable to RF or electrical energy on the coaxial output
The node
___, also known as electromagnetic interference
RFI
This type of virus, once on a computer, will capture information such as usernames and passwords or allows a hacker to gain control of the computer.
Trojan Horse
How many Backbones does Comcast have and their names?
2Cbone (private), Ibone (Internet)
Acronym POTS
Plain Old Telephone Service
Sampling has to be twice the highest frequency
Nyquist theory
When attaching the drop cable to the span clamp, a minimum __ diameter drip loop half circle must be left from the grip of the drop cable to the strand
5 inch
RF technology that operates on 5.9 to 26.1 MHz?
Short wave radio
What is the minimum clearance of our cable from phone drop at the home?
6 inches
Call return tells the customer the number of their last incoming call and allows them to call the person back. If the line is busy , for how long will call return attempt to reach the party?
30 minutes
is an electronic message sent from one device to another in its simplest form
How long can you pause live TV on an Xi3(d)?
Up to 25 minutes
Keenness and depth of perception, discernment, or discrimination especially in practical matters.
Acumen
acronym S-Video
Separated video
A device that allows the telephone company to route and connect customers to one another.
Telephone switch
This version of MoCA introduced MPS, Management proxy, enhanced privacy, network wide beacon power, and bridge detection.
MoCA 2.1
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
It allows you to open inbound ports based on outbound traffic
Port triggering
the vertical and horizontal route of the telecommunications cable
pathway
which layer specifications include entities such as physical (MAC) addressing, voltages, QoS, switches, and multiple access protocols.
Data link layer
MoCA 1.0 and 1.1 uses ___Mhz wide channels
50
ringing load capacity of 8 line emta
15 REN
substance that allows heat or electricity to pass along or through it
conductor
code for speed dial 8 and for speed dial 30
speed dial 8: *74, speed dial 30: *75
The satin jumper from EMTA to phone jack should be
Electrically straight
It will tighten security to restrict access for certain users or applications
Port blocking
What are the two main versions of IP addresses used today? How many bits are contained in each type of address?
IPv4 is 32 bits and IPv6 is 128 bits
Our current MoCA signaling is transmitted within which channel
D-1
Transforms the way consumers watch television by allowing consumers to watch their home tv on any internet connected PC, Mac, tablet, or smartphone from virtually anywhere
Slingbox
aspect ratio used mainly in animated movies and European movies
1.66:1 orVistaVision
Name the 4 troubleshooting steps
Identify, Isolate, Repair, Verify
At 400 MHz, 100 feet of RG6 cable loses roughly
4 dB
Cable should be pulled from __ the reel
Under
According to our standards and practices, the maximum distance between two MoCA enabled devices should be what
300ft
When a coax cable heats up its attenuation does what
increases
A loop intentionally formed in the cable to compensate for expansion and contraction caused by temperature changes
expansion loop
This hardware break up the network to what are know as collision domains
Switch
MoCA 2.0 extensions operates in what frequency range
500-1650MHz
First component of the Comcast cable network. Responsible for receiving and processing signals and then sending those signals over the Comcast network to customers
Headend
MoCA 1.0 Operating frequency
850-1500 MHz
Protocols associated with email applications
Pop
IMAP
Smtp
This type of thread protector must be used on ports that are 0.500 inches or longer
Long sleeve (short thread protector if less than)
The Six Key Techniques of selling
Build rapport, Ask questions, Listen, Position the product, Communicate the benefits, Ask for the sale
A technique by which several hosts or computers share a single IP address for access to the Internet.
NAT
code to disable call forwarding variable
*73
The final step in the selling process is
Ask for the sell!
this cable must be used in all aerial installations
messenger cable
Acronym IP
Internet Protocol
Trunk phone services 23 B channels and One D channel for management after using conjunction with the PBX
PRI
Name this part of the system, it carries signals to and from the node through the hardline coaxial cable to communities for connection to the customer drop
Distribution system
Acronym GOP
group of pictures
CableCARDs were made available for self-installation at the Comcast front counters
8/1/11
is the most common dielectric material
Polyethylene foam
Name 5 Things we never attach a drop to at the home
Chimney, TV antenna, lightning rod, rain gutter, power riser, telephone or power company house hook
How many frames in a GOP
12
This version of MoCA can bond 3-5 channels
MoCA 2.5
maximum loop length of 8 line emta
1000 ft
Get up to _ email address – each with _ GB of storage
7, 10
Any hardware or software that compresses or decompressed
video codec
Acronym DSL
Digital Subscriber Line
How do you Factory reset an XR15 remote
Triangle+diamond 3 seconds than 9-8-1
Acronym EMTA
Embedded Multimedia Terminal Adapter
A utility to determine if a specific IP address is accessible
ping
Is connected to the coax cable. The RF energy is used to modulate the laser emission.it uses special lenses to focus light into the fiber optic cable.
Laser transmitter
What fastener are preferred over fasteners held in place with nails or staples?
Screw type
The network architecture is based on a single common infrastructure in which all services are delivered via IP over a consistent transport and routing architecture.
Converged Regional Area Network
MoCA technology uses resonant frequency signaling that can easily transfer energy between two or more MoCA devices. In our network, we refer to these as what
Nodes
MoCA 1.1 extensions operates in what frequency range
500-1500MHz
Can 911 Emergency Calls be placed through Voice2Go?
no
code for Caller ID blocking(per call)
*67
Used for wire management on telecommunications equipment boards to avoid kinks and sharp bends.
mushroom spool
Acronym LAN
Local Area Network
What is the minimum clearance of our cable over residential driveways not subject to truck traffic?
11.5 ft
How far in advance will the on screen guide show programming for?
Up to 2 weeks
A measure of the received carrier strength relative to the strength of the received noise
carrier to noise ratio
copper-clad steel is used for
drop cable center conductor
Certification program for home theater equipment. Uses some proprietary features, but mostly assures a base quality level for a given room size
THX
This the safest carry to use on windy days or if the ground is slippery or unstable.
Horizontal carry at the hip
used for drops greater than 150ft
series 11 or qr320
All F connectors must be __ type with 360-degree retention.
Compression
messenger is made of
galvanized steel
What is used to put music on hold through key system
Dct Stand alone
is the strength of a MoCA signal being transmitted and received
Signal power
High definition versions of B1/B2 channels via the HDMI output (Max 1080i) HD DTA on-screen set-up menu XR2 remote (an RF or IR remote, which eliminates the need for an IR extender)
Key additional features of HD uDTA
All F-connectors must be tightened to a minimum of
20 inch-pounds with the exception of CPE.
How many tuners does the XG2 have?
4
1.85:1
VistaVision or Academy Flat
Acronym MCS
Microsoft Communication Services
What are the top five connector problems
Moisture damage
Center conductor too long or too short
Connector was not tightened properly to the port
Braid was removed, left too long or short
Wrong connector for cable type
Collects signals from a variety of sources, such as satellite feeds, and directs them to headend
DCRF
Whats the subnet of a class B?
255.255.0.0
What is our maximum allowed hole size?
3/4”
88 to 108 MHz
fm radio
cable guard must protect cable how much below ground level at the service distribution
8 inches
which layerspecifications include NetBIOS, which establishes connections in Windows networks, and PPTP, which creates a secure communication channel through a public network
Session layer
how far should the drop attachment be from the tap at the strand
6 inches
A condition that results when two components of a system are operating at a different impedance.
Impedance mismatch
Which type of IP Address does not change because the IP address is installed on the device?
Static IP
a loose connector at XB3 causes what
20MHz hump
The three constituents that define a Home Theater system are
Video quality, Video formats, Video equipment
is an industry-led consortium of over 200 broadcasters, manufacturers, network operators, software developers, & regulators from around the world committed to designing open technical standards for the delivery of digital television
DVB Project
Acronym CLEC
Competitive Local Exchange Carrier
Which MPEG version is used for video on cd
MPEG1
Rule of three: xfinity tv
Provide a welcome kit, Demonstrate navigation of the onscreen guide, Explain how xfinity on demand and xfinitytv.com work
Five factors determining attenuation
center conductor size, dielectric material, cable length temperature, frequency
is an operating system layer designed for consumer electronics that connect to a cable television system.
OCAP
2.76:1
Ultra Panavision
most common dielectric material
polyethylene foam
What is this technique of data flowing to and from the Internet and the computers on the local network, passing across the IP Gateway called?
NAT
Acronym POS
Point of Sale
code for call hold
*52
Allows and inbound connection to be forwarded to a specific machine
Port Forwarding
what transport protocol does Telnet, SMTP, HTTP, DNS, HTTPS, and POP3 use
TCP
Plan your route, work at the tap, work at the home, Bond, verify signal
Name the 5 steps of drop installation
Three simple steps that works for all learners.
Educate, Demonstrate, Practice
T1 speed
1.544Mbps
code for terminal make busy
*230
What is the throughput of MoCa 1.1
175Mbps
this connection is typically used to connect computer monitors to PCS and to connect high-end DVD players and high definition cable boxes and satellite receivers.
DVI
Code for call trace
*57
Different Types of ILEC Connections:
66 block
screw terminal
NID
Takes a cable input and processes it so that the customers television set can display all authorized services?
STB or DCT
Enhanced signal quality, Increased network reliability, Increased flexibility to quickly launch new and complex services
Benefits of the hfc network
Acronym: CBS
Comcast Business Services
If a customer wants to use the Pandora app with X1, what must they do first?
Link their Pandora account on www.xfinity.com/profile
What is the minimum clearance of our cable from phone drop at the pole?
12 inches
U.S government agency established in 1934 to regulate electronic communications
FCC(federal communications commission)
Types of headends
DCRF(dry creek road facility)The headend
Business Service delivery care metrics: Technical support
15min
Rule of three: xfinity voice
Confirm customers new phone number, Demonstrate voicemail and deliver Comcast welcome kit, Discuss benefits of xfinity voice center
density of ____ determines the impedence of the cable
dielectric
A frequency selective receiver capable of tuning in a desired frequency with a meter showing the strength of the input voltage and, with newer meters, its frequency.
SLM (signal level meter)
Allows a selected computer to bypass the firewall features of a gateways and provide unrestricted access to the Internet
DMZ
Acronym SMB
Small and Midsized Business
has a table that lists all the networks with which it is familiar, and the network ID associated with each of them.
default gateway
Teflon outer jacket is used for
air plenum or duct applications
Who is allowed to have Public View TV
Any business that derives the bulk of its revenue from food/beverage sales
What should the baud rate be in POS devices
9600
code for deactivate terminal make busy
*231
characteristic of RF propagation in a cable in which higher frequencies tend to travel along the surface of the conductor rather than throughout its mass
skin effect
Business Service delivery care metrics: First Call resolution
90% within 15 min
You can use this carry for short distances (under 15ft)
Half vertical half horizontal
A network architecture developed by the cable industry, which typically uses fiber optic cables to bring signals to selected areas of the system called nodes, which are usually based on the number of subscribers to be served
HFC
A passive signal splitting device, with minimum signal loss between the input port and the output port, a specified coupling loss between the input port and the tap port, and very high loss between the output port and tap port.
DC (directional coupler)
1.66:1
VistaVision
how far should the drop attachment be from the pole at the strand
30 inches
When multiple carriers oscillating at different frequencies are transported simultaneously in the same medium
FDM
- Plan the drop route
- Work at the pole
- Crossing/hanging the drop
- Work at the house
Aerial Drop Installation: Process Steps
What is the throughput of MoCa 1.0
135Mbps
What is the throughput of MoCa 2.0
400/800Mbps Depending on what options are use such as channnel bonding
A 75 ohm cable connected to a device with a 50 ohm impedance will cause
an impedance mismatch
This type of virus, once on a computer, will replicate itself and spread to other computers, often through a computer network.
Worm
Respect your time. Simplify your experience. Make things right if we fall short.
Comcast customer commitment
What are the 2 service tiers for Comcast business class teleworker?
Standard and enhanced
Where can a customer go to create a username once they’ve ordered service?
www.xfinity.com/getstarted
Used for routing or splitting signals. Does not require power to operate
Passive devices
The difference between a signal’s maximum or minimum value during one cycle and usually indicates signal strength or intensity.
Amplitude
A passive cable device (overhead or underground) which electrically siphons off a portion of signal from a main distribution line or feeder
tap
a device or software that enables the compression or decompression to take place
video codec
No dial tone, loss of communication, intermittency, or any situation causing illegible reception or transmission.
Service Inoperable
A vast computer network linking smaller computer networks worldwide
Internet
How long does X1 save resume points for rented content?
The entire rental window
Device that acts as a focal point in connecting multiple computers within one LAN
Switch
What is the minimum clearance of our cable above
all points on a flat roof?
10.5 ft
type of cable used in MDUs and long drops
QR320
Acronym RCF
Remote Call Forwarding
is typically an overload effect noted through digital signal processing equipment.
Spectral re-growth
Serves as a gateway to both the public internet and Comcasts own managed nationwide network
The headend
The use of CableCARDs is driven by an FCC mandate called
separable security
This document describes Comcast’s information practices, including how personal information is collected, disclosed and protected.
Comcast Customer Privacy Notice http://www.comcast.com/customerprivacy/
Allows signals to and from the customer in this part of the network. Provides the conversion from the fiber optical cable to coaxial cable
Fiber node
Determined by the distance from the center conductor to the inside of the sheath
Characteristic Impedance
Ultra-widescreen format (such as How the West was won) whats the aspect ratio?
2.60:1
Name this part of the system, it starts at the tap and terminates at the cpe
Drop system
This connection is a 75 ohm rf transport where the standard cable termination is an F-connector
coaxial cable
Regarding cable cards, FCC rule 76.1205 was modified again in
November of 2011
Cable loss formula
atennuation x footage
Can a customer connect to xfinitywifi hotspots before their service is installed?
Yes
What are the 4 door entry systems we may run into?
Switch based, cross-connect/dial tone required, cross-connect/dial tone not required, direct buzzer/dial pad
How many channel bands in MoCA 1.o and 1.1
4
D1, D2, D3, D4, D5, D6, D7, and D8 what are they?
the 8 MoCA channels between 1125-1525MHz
The four main types of display are
Flat-Panel, Front Projection,Direct-View (HD-CRT), Rear Projection
There are three significant considerations in a Home Theater application, what are they
Audio quality,Audio formats, Audio equipment
What service/channels are not allowed in commercial locations
DVR, PPV, VOD and Premium Channels
Polyethylene outer jacket is used for
underground drop cables
Name three configuration options for static IP, how to load
log into the MSO WebUI
IPAT
Call TSC
What are the 5 pole inspection steps?
FVD test, Sound test, Prod test, Visual inspection, Rocking test
hubs, repeaters, cabling hardware is associated with which layer
Physical layer
serves as return conductor for ground current on drop system
coax shielding (aluminum braid/foil)
What is the business gateway admin URL
10.1.10.1
Transports modulated light between the fiber node and the headend
Fiber optic link
aspect ratio used by most American movies today
1.85:1 or Academy Flat
list the 7 Comcast touchstones?
employee focus, ethics, enthusiasm, diversity, flexibility, quality, respect
supervisory voltage of 8 line emta
48VDC (50 watts)
The difference between transmitted and received power
attenuation
RF technology that operates on 700,800,1700,1900 MHz?
LTE FDD
Order entry and management tool used in conjunction with Salesforce
Work bench
Allows an alarm panel to control access to active phone pairs, and seize those pairs even if the customer is using the telephone.
line seizure
is an electromagnetic signal above the audio and below the infrared frequencies.
RF
Latent or out-of-sync audio is often called
lip sync
Who is allowed to have Private View TV
Any business other than bars/ restaurants, health clubs, retailers
What are the ABCD tips for talking about competitors
Accept that you have competitors, Be careful with criticism, Consider alternatives and substitutes, Demonstrate diligence
Acronym VOIP
Voce over Internet Protocol
Telco standard connecting block Lines in from the left and out to the right
66 block
Translates a FQDN into an IP
DNS
is the raw bit rate of a connection in regards to MoCA
PHY rate
A type of cable which contains two conductors, one inside and the other outside around it, separated by an insulating layer
Coax cable
aspect ratio used in epic movies and musicals (such as Star Wars)
2.35:1 or cinmescope
the “u” in the model name of a dta indicates this
box will work on the Cisco or Motorola plant (e is for ethernet)
what do the last 4 digits in a 10 digit phone number represent
line number
Which remotes support auto rf pairing
XR15, XR11
What is the minimum clearance of our cable from phone drop at the midspan?
6 inches
- Plan the route
- Work at the tap
- Work at the house
- Bond to the electrode
- Verify the signal
Drop Installation Process: Key Stages
code for group make busy
*232
What is the minimum clearance of our cable from power at a midspan?
24 inches
What are the tools available to technicians to help both validate and troubleshoot MoCA
Tech360(pH moca), PHT (stand alone), X-ray platform, STB diagnostic menu
RF technology that operates on 470-806 MKz?
UHF
Formerly referred to as OCAP, it is a technical standard, which is used in the cable networks of North America
Tru2way
code to cancel call waiting
*70
RF technology that operates on 960-1215Mhz?
Air traffic control radar
cable guard must protect cable how much above ground level at the service distribution
4 feet
name the learning styles
Visual, Auditory, Tactile (Kinesthetic)
Whats another name for a MoCA(POE) filter
POE resonator
A site where the telecommunications companies (such as cellular and long distance providers) physically interconnect their systems with other networks (such as local telephone companies or cable companies)
point of presence
What is the minimum clearance of our drop from power at the pole?
40 inches
is a device about the size of a credit card, that can be used with digital television and specific set-top boxes to receive certain digital cable services
cablecard
What is the optimum viewing angle of dlp projectors and lcd projectors?
130 degrees
Multiple homes generating ingress accumulates into what is known as
funnel effect
name the active devices on distribution system
Amplifiers, Power supplies, Nodes
- Prepare for the job, 2. Greet the customer and confirm work, 3. Setup for the job, 4. Perform the work, 5. Pre-close, 6. Close.
What are the six steps of the home customer experience?
Business Service delivery care metrics:Email response time
12hrs
Usually used for data applications. Commonly used for phone distribution in residential and light commercial installations.
110 block
copper-clad aluminium is used for
hard line cable center conductor
A steel support wire to which the coaxial and fiber optic cables are lashed in aerial installations
strand
You will use this carry when you are traveling more than 15ft to the work site. The ground should be firm and dry and the wind should be minimal.
horizontal carry at the shoulder
Low signal loss,Greater bandwidth,Increased security, Flexibility and durability
Benefits of using fiber optic cable for transportation of signals
How many phone numbers will Call Screening allow the customer to create so that they can screen calls in this way?
12
The number of times per second that a signal fluctuates
frequency
PVC outer jacket is used for
drop cables
When you are moving the ladder just a short distance down the same leaning surface, such as the side of a house.
Side vertical carry
Attached at the tap or in the house to prevent reception of certain frequencies
Traps/filters
Name four things that affect wifi range
Distance, building construction, electromagnetic interference, Electronic devices in the same frequency range, number of devices connected to the network.
is a feature of DOCSIS 2.0, or newer, systems in which the Digital Signal Processor (DSP) corrects signal echoes and impairments
Adaptive equalization
RF technology that operates on 54- 216MHz?
VHF
OCAP
Open Cable Application Platform
code for anonymous call rejection
*77
what transport protocol does FTP Data use
TCP/UDP
total loss formula
cable loss + passive loss
4:3
academy ratio
How long can the X1 DVR pause live TV for?
Up to 60 minutes (PRD1270)
The amplitude of TV carrier’s voltage, measured across 75 ohms, usually expressed in dBmV
signal level
what are the 3 most common vegetation hazards that technicians will encounter are
poison ivy, poison oak, and poison sumac
A1 and B1 channel bands in MoCA 1.0 and 1.1 are used for what
DBS
RF technology that operates on 535kHz to 1.7MHz?
AM radio
What year did the very first field testing of the MoCa took place
2005
How long do you be a CT2 before becoming a CT3
6 months
A demonstrated knowledge, skill or ability performed to a specific standard.
Competency:
AcronymCATV
Community Antenna Television
This allows a group of phone stations to access a common set of telephone lines. The benefit is that fewer business lines can be purchased and there usually are additional built-in features such as music on hold and call transfer. *Sometimes mistakenly referred to as PBX.
Key System
Important numbers you’ll need when provisioning a cable card
ESTB – Embedded Set Top Box,
Serial Number,
Unit Address,
And the Host Mac Address from the device itself.
Business Service delivery care metrics:Issue Escalations
Service inoperable less than 30 min, Service affecting less than 4hrs
Provides customers with reference information for quick and efficient resolution of inquiries and/or problems
Welcome Kit
There are four main pieces of audio equipment, excluding speakers, which you may encounter in a Home Theater system. What are they?
- Preamplifers
- Power Amplifiers
- Surround sound processors
- Audio/Video receivers
ADC process includes the following
Sampling, Quantization, Encoding
This version of MoCA introduced Sleep and standby power modes
MoCA 2.0
Rule of three: xfinity Internet
Ask the customer to create an xfinity.net e-mail and password, Take the customer through the online welcome site xfinity.comcast.net, Demonstrate xfinity.comcast.net benefits
For residential customers we have the Xfinity customer commitment, what is the equivalent for business customers?
Comcast Business Promise
what are the 3 basic ways to back up
driver side backing, straight backing, blind side backing
What is the minimum clearance of our drop from power at the house?
12 inches
Attached to the drop at the tap to protect the trap and ensure that it will not be removed by an unauthorized person
Security sleeves/shields
ringing voltage
60-90VAC
enables a LAN to use one set of IP addresses for internal traffic and a second set of addresses for external traffic, and provides a type of firewall by hiding internal IP addresses
NAT
Whats the subnet of a class C?
255.255.255.0
Steps for minimizing anxiety
Remember that the audience is your friend, Memorize the most important parts of what youll say, Practice positive self-talk, Breathe, Check your appearance
RF technology that operates on about 72MHz?
Radio-controlled airplanes
Two fundamental standards are used to assess an HDTV system
Aspect ratio, Scan rates
expected level formula
known level - total loss
Range of wavelengths of elecromagnetic emission
Spectrum
Name 3 Places signal security can be applied
Headend, tap, and Set top box
type of cable that should never be used inside a customers home
flooded cable
MER cliff
32dB, techs should confirm MER values of 35dB or higher at all locations of cpe
On a component video cable, which color carries the luminance?
Green
Whats the cider notation of a class B?
/16
a measure of signal quality of how well symbols can be differentiated from the random noise, distortion or interference accumulated within a 6MHz channel
MER
a system of computers, peripherals, terminals, and databases connected by communications lines
Network
Whats the cider notation of a class A?
/8
What is the minimum clearance of our cable above roofs not accessible to pedestrians?
3 ft
2.35:1
Cinemascope
Your voice consists of four components:
Volume, Force, Pitch, Rate
name the four categories of coax cable (NEC)
CATV(general use)
CATVX
CATVR
CATVP
C1-C4 channel bands in MoCA 1.0 and 1.1 are used for what
Phone MoCA services
Preamplifier
Power Amplifier
Surround Sound Processor
Audio/Video Receiver
Key elements of a surround sound system
A device that’s used to modify and change multi-program transport streams, combine single program transport streams, and insert local market-specific information
Splicer or groomer
For Comcast, the RF energy that gets into our plant, also known as ingress or
RFI
Two primary components of DOCSIS architecture are?
CM and CMTS
APIPA
Automatic Private IP Addressing
underground drop cable must extend a minimum of __ above the tap at the pedestal or vault
12 inches
Abbreviations for the Internet service that locates and translates domain names into IP addresses.
DNS
Device that connects the customers internal network to the internet. wireless capability may be denoted by antennae on the device
router
Certification program for home theater equipment. Uses some proprietary features, but mostly assures a base quality level for a given room size.
THX
Whats the subnet of a class A?
255.0.0.0
coax cable consists of
center conductor, layer of insulating material called dielectric, braid/foild shield, outer jacket
Any situation that does not cause illegible reception or transmission, including feature problems or intermittency. A failure of calling features is usually this
Service Affecting
What are three versions of MoCA standard
MoCA 1.0, MoCA 1.1, MoCA 2.0
Strand that connects the pole line hardware to the anchor
guy
which layer specifications include pin layouts, voltages, cable specifications, hubs, repeaters, and network interfaces
Physical layer
appropriate methods to install cable within a dropped ceiling
raceway ,tray
Use the flat hex sides to determine __ turn
1/6th
what transport protocol does NTP, IMAP, SNMP, TFTP,
and DHCP use
UDP
code to disable call forwarding selective
*83
At 50 MHz, 100 feet of RG6 cable loses roughly
1.5 dB
What is the minimum aerial clearance required for a pedestrian traffic area
10 Feet
How long does X1 store resume points for free or subscribed content?
Three Months
The ability to make good judgments and quick decisions, typically in a particular domain.
Business Acumen
What must an X1 box be capable of to use voice commands on the XR11?
RF Pairing
what transport protocol does SSH use
TECP
Acronym DOCSIS
Data Over Cable Service Interface
RF technology that operates on 110-137MHz?
Aircraft navigation frequencies
According to our standards and practices, the maximum attenuation between two communicating MoCA enabled devices should be
72dB
What’s the bending radius of series 6,7, and 11
2.5inch, 4 inch, 4.5 inch
Acronym DTA
Digital Terminal Adapter
There are three major music licensing organizations which provide the rights for businesses to play licensed recordings. What are they?
ASCAP,BMI,SESAC
NICs and switches hardware is associated with which layer
Data link layer
What are the 5 Restore/Reset Gateway options available in the gateway
reset, reset wifi-module, reset wifi-router, restore wifi settings, restore factory settings
Technicians no longer have to hand deliver welcome kit but have to give you these documents
legal book of terms and conditions and the privacy policy in printed form.
Cable operators must allow self-installation of CableCARDs effective when
11/1/2011
