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2016 Ivan > new hire > Flashcards

Flashcards in new hire Deck (383):
1

What kind of TV uses thousands of florescent lights grouped in sets of three that comprise each pixel?

Plasma

2

What type of device provide a customer with the most popular calling features, with enhanced 911 functionality and battery backup

eMTA

3

What are the four types of remotes?

Universal learning, universal, unified, dedicated

4

How much space should surround a digital converter for proper heat dissipation?

2-2.5"

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

6

What is the purpose of the drop cable?

The drop cable delivers RF to the customers home via the wall outlet

7

What is used to compensate for signal loss over long drops?

Drop amplifier

8

Which device connects the drop system to the feeder system?

Tap

9

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

10

Shield of drop cable consists of ____ and _____

foil and braid

11

What signals are carried on composite video?

Brightness, color information and synchronization pulses

12

SPIDF supports which Dolby Digital surround sound formats?

5.1, 6.1 and 7.1

13

Which type of cable has become the standard for interfacing Home Theatre componenets?

HDMI

14

Which interconnect uses light to transmit audio signals?

Toslink, EIA/J

15

Firewire supports the movement of multimedia data and large files at what two speeds?

400 Mbps and 800 Mbps

16

What is a combination of spatial image compression and temporal motion compensation?

Digital Compression

17

What is the ideal BER of a 256QAM channel of 40Mbps?

1.0E-09

18

How much bandwidth has the FCC allocated to a single digital channel?

19.39 megabits per second (Mbps)

19

What type of signal is a continuous waveform?

Analog signal

20

Who mandates certain frequency levels for various types of communication?

The FCC

21

Helping the customer to help themselves by learning more about their equipment will often provide _______

A better customer experience

22

When providing an explanation to a customer, make sure to avoid the use of _____

Jargon or Slang

23

What should be done before performaing any work at an install?

Discuss details of the install with the customer

24

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

25

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.

26

What are three ways to reduce stress?

Take 3 Deep Breaths Count to 10 Take a short break

27

What will will largely determine the quality of your work relationships.

Attitude

28

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

29

Who is responsible for using the iPhone/laptop/Symbol device to process completed work orders

The technician

30

Where can the organizational structure map be viewed?

The People Finder through TeamComcast

31

A hard hat will absorb ___ of the force of a blow

75%

32

What are the four types of gloves?

work, climbing, electrical, acid-resistant

33

What is the ANSI standard for safety glasses?

z87.1

34

What ANSI standard describes hard hats?

z89.1

35

What is the purpose of a hard hat?

To prevent head injury

36

The Rule of Three for Xfinity TV:

Provide Welcome Kit Demonstrate navigation of the onscreen guide Explain Video On Demand and XfinityTV.com

37

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

38

Three steps to customer education:

Explain 2. Demonstrate 3. Practice

39

The Rule of Three for Xfinity Voice

Confirm customers new phone number Demonstrate Voice Mail and give Welcome Kit Introduce customer to SmartZone

40

Three materials to leave at a customer's home:

1. Welcome Kit 2. Signed copy of work order or printed receipt 3. Equipment manuals (remote, etc.)

41

...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

42

...are insulated combination pliers and cutting tool used for cutting heavier gauge wire or cables, such as Series 11 drop cable.

Lineman's pliers

43

...is a stand designed to hold and transport a roll of drop cable.

Cable caddy

44

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

45

...are used like pliers, but are adjustable for different sized objects while maintaining nearly the same leverage.

Channel locks

46

This section of the National Electric Code requires that specific types of coaxial cable be used in certain environments.

Section 820-50

47

The purpose of Coax's outer jacket:

1. Provides protection 2. Prevents moisture, dirt, & elements from entering cable

48

Name four types of coax:

CATV CATV-X CATV-R CATVP Series 59 Series 6 Series 7 QR320 Series 11

49

The jacket of underground cable is made from ____

Polyethelyne

50

If dielectric material has a higher percentage of air, the attenuation will be ____

Reduced

51

1. Work gloves 2. Climbing gloves 3. Insulated electrical gloves

The three types of gloves you may use during the course of your work

52

Z89.1 1981 standard; class B

American National Standard Institute rating for hard hats

53

This is where the work takes place in a traffic control zone. It includes one or more buffer spaces.

Activity Area

54

Traffic Cones • Drums • Barricades • Lighting Devices • Warning Lights

Types of Channelizing devices

55

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.

56

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

57

A range of wavelengths of electromagnetic emission.

Spectrum

58

Passage of an outside signal into the cable; can result in noise and disruption of the desired signal.

Ingress

59

The U.S. government agency established to regulate electronic communications.

Federal Communications Commission (FCC)

60

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

61

What type of cables are used in the HFC architecture?

Coaxial & Fiber

62

Where RF signals from many sources are combined together and fed into a fiber optic transmitter.

The Headend

63

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

64

Name the 3 active devices in the cable plant.

Amplifier, Node and Power Supply (New Hire: Cable 101: 2-32)

65

What are the four basic components of the distribution system?

-Amplifiers -Coaxial Hardline Cables -Power Supplies -Taps

66

This should be checked where the ladder will be set up, for stability.

The Ground

67

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

68

What are the 4 types of ladder carry.

1. Horizontal carry at the shoulder 2. Horizontal carry at the hip 3. Half-vertical, half-horizontal carry 4. Side vertical carry

69

In general, there are two types of vehicle ladder racks, what are they?

fixed rack and a “drop-down” or “side-winding” rack.

70

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

71

Providing a Welcome Kit, Demo the On Screen Guide and Explaining the On Demand. These are....

Xfinity Video Rule of Three

72

Provides Customers with reference information for quick and efficient resolution to inquiries and or problems.

Welcome Kit

73

Often the only face of Comcast that the customer ever sees.

Comcast Technicians

74

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.

75

These must be used on all outdoor F-connector interfaces to protect the threads from moisture contamination.

Thread protectors (sealing sleeves)

76

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

77

These types of staples must not be used on coaxial drop cables.

Metal

78

Only products approved by ____ _____ ____ shall be used in the drop system.

Comcast Corporate Engineering

79

Drop amplifiers shall meet the minimum requirements of what ANSI code?

ANSI/SCTE 161 2009

80

Used to protect customer floors from dirt and grime when entering a customer’s home.

Boot Cover

81

Has Steel or fiberglass shank.

Boots

82

Must meet ANSI standard Z87.1-2003 impact safety standard.

Safety Glasses

83

Helps keep hard hat stable on a Technician’s head.

Hard Hat Strap

84

Must meet CFR 1910.268 (g)(2)(i) - (ii) and 1926.959 standards.

Climbing Belt

85

The FCC was established in what year?

1934

86

1988 was Comcast 's ___ Anniversary

25th (est.1963)

87

In 1997, what Tech giant invested 1 Billion Dollars in Comcast?

Microsoft

88

What company was the name of the parent company to NBCUniversal, prior to Comcast's purchase in 2013?

GE (General Electric)

89

What year did Brian Roberts receive his first training as a Cable Installer?

1975 (in the Company's Westmoreland Cable System) ( corporate.comcast.com)

90

Name 3 of the 5 benefits of Fiber Optic over Coaxial Cable.

Low signal loss, Greater Bandwidth, Noise Immunity, Increased Security and Better Durability.

91

Fiber Optic Cable is part of what portion of the overall HFC Architecture?

Transportation System

92

This device converts light energy back to RF energy.

Node

93

Transports modulated light between the fiber node and the headend.

Fiber Optic Link

94

This has replaced the older Tree and Branch architecture in Cable Systems.

Hybrid Fiber-Coaxial Architecture (HFC)

95

Where are the 4 places you should check signal when troubleshooting shooting?

Tap, ground block, splitters, CPE

96

What are 4 things we still do the same as the old (1950s) cable system?

1. 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.

97

What is a DCRF?

It is a type of headend.

98

A Mechanical device that is fitted onto the coax to allow connection?

F-connector

99

A tool used to extinguish a flame?

Fire Extinguisher

100

What class safety vest is required?

Class 3

101

Used to help make sure commtechs stay hydrated?

water cooler

102

a tool used for cutting metal?

Hacksaw

103

used to dig and bury cables.

Shovel.

104

Used to confirm a level wall plate and house box?

Torpedo Level

105

An aggressive self-feed bit that cuts fast and clean holes in wood.

Auger bit

106

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

107

Two commonly used digital SLMs are:

JDSU DSAMTrilithic 860

108

Key piece of equipment used by the commtech is the?

SLM

109

what iOS app is used to connect to Wifi?

Settings

110

what iOS app is used to store phone numbers?

Contacts

111

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

112

The volt-ohm meter measures:

VoltageResistanceContinuity

113

A test instrument used to measure AC and DC voltage, current, and resistance in ohms:

VOM

114

A VOM is used to test:

CablesAC powerBatteries

115

Types of volt-ohm meters:

DigitalAnalog

116

A polarity tester is used to check these 6 things in an electrical outlet?

Open GroundOpen NeutralOpen HotHot & Ground ReversedHot & Neutral ReversedCorrect Polarity

117

The leakage detector is used to measure?

Egress

118

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

119

A polarity tester is used to check 6 things in an electrical outlet?

Open GroundOpen NeutralOpen HotHot & Ground ReversedHot & Neutral ReversedCorrect Polarity

120

A cable line (overhead or underground) which branches off a main line or feeder.

Tap

121

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

122

The process of converting data into a coded form to prevent it from being read and understood by an unauthorized party.

Encryption

123

Two types of traps:

NegativePositive

124

Filters that block a channel or channels from being received by a cable TV customer:

Negative traps

125

Remove an interfering carrier from a channel that a customer wants to receive:

Positive trap

126

Any technology used to protect the interests of owners of content and services.

Digital Rights Management

127

A specification developed for protecting digital entertainment content that uses the DVI-D interface.

High-bandwidth Digital Content Protection

128

Date the FCC began requiring service providers to make CableCARDs available.

July 1, 2004

129

U.S. government agency established to regulate electronic communications.

FCC

130

Year the FCC was established:

1934

131

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

132

What is the app that allows you to access the VPN via you iOS device?

Junos Pulse

133

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.

134

Two ways to carry out a disconnect:

Soft disconnect for addressable servicesHard or physical disconnect

135

A system of computers, peripherals, terminals, and databases connected by communications lines.

Network

136

A network where devices communicate with each other unaided (one-on-one basis) and various connection styles are available.

P2P Network

137

Similar to P2P Networks, these networks have dependencies on other equipment and services.

LANs

138

Similar to P2P Networks, these networks have servers, routers, and switches with which they communicate or authenticate themselves to operate.

LANs

139

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)

140

A computer that handles requests for data, email, file transfers and other network services from other computers.

Server

141

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

142

Found in both residential and commercial environments and are used to communicate internally or to access the internet.

LANs

143

A group of computers geographically far apart, but connected.

WAN

144

The Internet is an example of what type of network.

WAN

145

This type of network spans and connects multiple LANs together.

WAN

146

These types of networks are used by businesses to connect multiple sites together for information sharing.

WANs

147

The largest version of a WAN is known as:

The Internet

148

Comcast cable systems: .NET customers are associated across the Comcast network before connecting to the World Wide Web via what type of network.

WAN

149

The width of a band of frequencies.

Bandwidth

150

Often used to refer to the range of frequencies able to distribute telecommunications services.

Bandwidth

151

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

152

A term that is often used synonymously with speed.

Bandwidth

153

Name four factors that influence Network speed:

-Interface Cards-Transport Medium-Switches-Routers-Interference-Congestion

154

Network Speed is calculated in bits per:

Second

155

This term is short for "binary digit" and refers to an electrical impulse representing a zero or one

bit

156

___ has 1000 bytes and is used primarily to measure data storage and sometimes used to describe bandwidth.

Kilobyte (KB)

157

A ___ is measured as "bits per second" and used to express the rate at which data is transmitted or processed.

bit rate

158

How many bits are usually in a byte?

8 bits

159

___ is a single character of data.

bit

160

___ is 8 bits.

Byte (B)

161

___ has 1000 bits and is used to measure speed by many Internet applications.

Kilobit (kb)

162

___ has 1000 bytes and is used primarily to measure data storage and sometimes used to describe bandwidth.

Kilobyte (KB)

163

The term for one character stored or processed by a computer. It is composed of bits, usually eight.

Byte

164

Short for Kilobytes:

KB

165

Equivalent to 1000 bytes

Kilobyte (KB)

166

A capitalized "b" indicates bytes where a lowercase "b" indicates:

bits

167

A lowercase "b" indicates bits where a capitalized "b" indicates:

bytes

168

Disconnected drops must be tightened to a minimum of ___________ onto the locking terminator.

20 inch-pounds

169

Any active service tags must be removed and replaced with?

Inactive service tags following a service disconnect.

170

The ____ _______ ___ must not be removed following a service disconnect.

Drop address tag

171

Follow these safety precautions in different parts of the house:

Wear hard hats because of limited spaceBe aware of the sharp ends of exposed nailsBe aware of standing waterLook for animals

172

What is the purpose of wall fishing and when would it be necessary?

reduce the amount of visible cable, and installed on interior walls.

173

when getting ready to wall, what is the first thing?

Safety

174

what are 3 of the 5 PPE that should be used for wall fishing.

Leather gloves, hard hat, safety glasses, dust mask, coveralls.

175

Balloon Frame Construction:

A sill is attached to the top.No band is attached to the sill.The outside wall studs are nailed directly to the sill.

176

Three units of measurement used in computer file size.

Kilobyte (KB), Megabyte (MB), Gigabyte (GB)

177

When attaching cable to vinyl siding always consider using _______ _____ as the first choice.

siding clips

178

When attaching cable to siding or shingles:

Attach the cable underneath the bottom row or in a "shadow line" to hide the cable.

179

This unit of measurement is one million bits, smaller than a megabyte and a common measure of network bandwidth.

Megabit (Mb)

180

This unit of measurement is one million bytes and is the most common measure of data storage.

Megabyte (MB)

181

This unit of measurement is used to measure RAM, hard-drive, web storage, and email storage capacities.

Megabyte (MB)

182

This unit of storage is equal to 1000 megabits and is used to describe the bandwidth of high capacity circuits such as those used in the Comcast CRAN.

Gigabit (Gb)

183

This unit of storage is 1000 bytes and is used to describe hard drive or RAM capacity.

Gigabyte (GB)

184

Three units of measurement used in computer file size.

Kilobyte (KB), Megabyte (MB), Gigabyte (GB)

185

what type of saw is used for wall fishing?

Key hole saw(jab saw)

186

LCD TV

Flat panel transistorized LCD display similar to a PC computerBest resolution and long lifeLimited viewing angleThinner and lighter than plasma unitsUse less power than plasma displaysMost expensive display per unit of size

187

A means of transporting signals from one point to another, using 22 or 24WG, 100 ohm copper wiring, typically Cat5 or Cat6 rated cabled.

Twisted Pair Cabling

188

Cable wiring which has been done while the house is being built is called?

prewiring

189

Where is usually the best place to begin planning a new install?

Basement

190

As defined by the Institute of Electrical and Electronics Engineers (IEEE) in the 802.3 and 802.11, this is the most common network type.

Ethernet Network

191

Two basic cable types used in copper-based Ethernet networks.

Straight cables and Crossover cables

192

A very common method of networking computers in a LAN (Local Area Network)

Ethernet

193

Popular technology that allows an electronic device to exchange data wirelessly.

Wi-Fi

194

The on board or add-on controllers that connect computers or devices to networks.

Network Interface Card (NIC)

195

Three different type of NIC (Network Interface Card)s:

Electrical based, fiber optic based, wireless

196

The most common type of NIC (Network Interface Card)

Electrical Based

197

Abbreviation for Megabits per second

Mbps

198

Standard 8-pin connector used to network computers, routers, printers and/or game consoles over an Ethernet connection.

RJ-45

199

In these cables, the individual pairs are twisted around each other, providing a noise cancelling effect.

Twisted Pair Cabling

200

A means of transporting signals from one point to another, using 22 or 24WG, 100 ohm copper wiring, typically Cat5 or Cat6 rated cabled.

Twisted Pair Cabling

201

Steps of the troubleshooting process:

IdentifyIsolate RepairVerify

202

What does Divide and Conquer mean?

Divide the problem in half and test each half.

203

Two types of Twisted Pair Cabling.

Shielded Twisted Pair (STP) and Unshielded Twisted Pair (UTP).

204

A unique physical address, also called a hardware address, that all devices that rely on computer network connections have (computers, cable modems, printers, game consoles, etc.)

MAC Address (Media Access Control)

205

List four "Cat" Twisted Pair Cabling standards as defined by the Electronic Industries Alliance and Telecommunications Industry Association (EIA/TIA) and their corresponding data rates.

Category 3: 10 MbpsCategory 5: 100 & 1000 MbpsCategory 5e: 100 & 1000 MbpsCategory 6: 10 Gbps

206

A cable that looks like an ordinary twisted-pair cable, but with two pairs of wires crosses.

Crossover cable

207

A cable that provides the capability of directly connecting two computers without using additional equipment.

Crossover cable

208

dB

Used to express a ratio between two signal levelsUsed to express passive loss and amp gainIt's a ratio between power levels

209

dBmV

Used to express and absolute signal levelExpression of RF absolute signal strength

210

CRT Television

Large screen sets weighing up to several hundred poundsGood resolution and color, and a wide viewing angleFlat screen that reduces reflection

211

Rear Projection TV

Less depth and weight than a CRT TV set of the same size screenProjection tube an d lens alignment problems can degrade the picture

212

Front Projection TV

Projector located behind viewerProjector needs unobstructed path to screenLarge viewing areaLight source behind three LCD matrix panelsDigital Light Processing (DLP) improves picture quality

213

Plasma TV

Thin, flat screen displayDiagonal viewing areas in excess of 50 inchesUses thousands of fluorescent lights grouped in sets of 3Display is bright and can be viewed from a wide angle

214

This Ethernet cable type is typically used to connect the distributing equipment (switch, hub, router) to the computer

Straight Cable

215

This Ethernet cable type is named as such because one end corresponds directly with the other and the ends are identical.

Straight Cable

216

This Ethernet cable type is also known as a Patch Cable

Straight Cable

217

This Ethernet cable type is used to connect distributing devices or two computers for unaided point-to-point communication.

Crossover Cable

218

This Ethernet cable type uses the T-568A pinout on one end of the cable and the T-568B pinout on the other.

Crossover Cable

219

Five factors that affect Wireless Connectivity.

-Electromagnetic Interference-Building construction-Electronic devices in the same frequency range-Distance-Number of devices connected to the network

220

SSID

Service Set Identifier

221

A name that has been assigned to the local wireless network.

Service Set Identifier (SSID)

222

This type of network allows access to any client or user with a valid MAC address.

Open Network

223

This type of network's level of security is extremely weak since MAC addresses can be spoofed (changed) on Network Interface Cards (NIC) to enable access.

Open Network

224

A unique physical address, also called a hardware address, that all devices that rely on computer network connections have (computers, cable modems, printers, game consoles, etc.)

MAC Address (Media Access Control)

225

LED TV

Uses an array of light emitting diodes to reproduce a pictureThin widescreen displayLarge viewing angleExtremely lightweight

226

This encryption method encrypts the network by using a pre-shared key. The key is 10-26 hexadecimal characters long.

Wired Equivalent Privacy (WEP)

227

This form of encryption was proved to be flawed in 2001 due to an inherent mathematical issue and the key can be broken in less than five minutes.

Wired Equivalent Privacy (WEP)

228

The process of converting data into a coded form (ciphertext) to prevent it from being read and understood by an unauthorized party.

Encryption

229

This encryption type was developed to replaced WEP and uses a Temporary Key Integrity Protocol (TKIP).

WPA

230

Users wishing to connect to a WPA or WPA2 protected network are required to supply a plain text password that is how many characters long?

8-63 characters

231

The network encryption type that uses Advanced Encryption Standard (AES) to secure the network.

WPA2

232

This wireless network security type is not a form of encryption; it really is an IEEE standard, which is a means of authenticating a user. This authentication system is typically found in commercial environments, and verifies the user's username and password against a server's database.

802.1x

233

Network interfaces are identified by using this unique number.

MAC Address

234

Numbers assigned to a device's NIC to identify them on a given network and are written as 12 hexadecimal digits separated by colons and dashes.

MAC Address

235

Data moving on the network requires that the sending and receiving devices have different addresses that segment a network into smaller groups. These addresses are:

Internet Protocol (IP) Addresses

236

A set of rules governing the format of messages exchanged between computers and people.

Protocol

237

A set of rules and conventions that specifically governs how computers exchange information over a network medium.

Protocol

238

The most commonly deployed network communications protocol in the world today.

IPv4

239

The newest version of the IP protocol that uses expanded features and addressing to overcome the limitations of version 4.

IPv6

240

Four types of IP Addresses:

-Private-Loopback-Automatic Private-Public

241

These types of IP addresses are select ranges of IP addresses reserved for internal network usage and cannot be used on the public Internet

Private IP Addresses

242

Which numbers define whether or not an IP address is private?

The first numbers

243

You might see these IP addresses in various applications within the customer's home.

Private IP Addresses

244

This is the IP address assigned to the device's NIC and is used to verify that the IP function is operating correctly on the device.

Loopback IP Address

245

The customer's computer does not have an IP address and cannot connect to the Internet. Which IP address could you use to confirm the network interface card is

Loopback IP Address

246

What is the exact Loopback address for IPv4?

127.0.0.1

247

What is the exact Loopback address for IPv6?

0:0:0:0:0:0:0:1

248

APIPA

Automatic Private IP Address

249

169.254.X.X andFE80:0:0:0:0:0:0:0 are examples of what type of IP addresses?

Automatic Private IP Addresses (APIPA)

250

Any numbers outside the range of private IP addresses are:

Public IP Addresses

251

These types of IP addresses are uses across the public Internet and are visible to other networks and devices.

Public IP Addresses

252

The IP address of: 205.23.124.66 is an example of what type of IP addresses?

Public IP Addresses

253

Inputs found on an A/V receiver:

CD PlayerUSBDVD PlayerSatellite ReceiverComposite VideoS-VideoComponent VideoHDMIDVIWi-FiBluetoothOptical Audio PortESATA PortEthernet Port

254

Functions of a Remote Control:

TV on and offChange channelsActivate parental lock controlMute soundScan favorite channelsRecall last channel watchedControl volume

255

Types of Remote Controls:

DedicatedUnifiedUniversalUniversal Learning

256

Coaxial RF Cable (analog video/audio transmission)

Carries the video and audio components togetherTransmits standard stereo, but not Dolby 5.1

257

Composite Video Signal

Uses a single signal, which is composed of brightness, color information, and synchronization pulses

258

S-video Signal

Splits the analog video signal into two separate signals:Brightness, or luminance (Y)Color, or chrominance (C)

259

Component Video Signal

Highest quality analog video signal, and acceptable for HDTV.Transmitted or stored as two or more seperate signals.Y: Contains luminance informationPb: Contains color informationPr: Contains color information

260

Component Video Cable Colors forY:Pb:Pr:

Y: GreenPb: BluePr: Red

261

Sony/Philips Digital Interconnect Format (SPDIF)

Carries digital audio signalsSupports Dolby Digital 5.1, 6.1, and 7.1 output (Surround Sound)

262

SPDIF coax cables can be affected by?

Signal Noise

263

SPDIF Optical Cable

Fiber optic cableUses light to transmit the audio informationAlso supports Dolby Digital 5.1, 6.1, 7.1, 7.2, THX, and DTS

264

Digital Visual Interface (DVI)

Has a bandwidth of 3.96 single link and 7.92 dual linkUses a single plug and connector that supports both the new digital and older VGA interfacesSupports HDTV resolutions

265

High-Definition Multimedia Interface (HDMI)

19-pin compact audio/video interface for transmitting uncompressed digital dataA digital alternative to consumer analog standards such as RF coaxial cable, composite video, S-Video, component video, and VGAStandard for interfacing home theater componentsUses a single plug and connector that supports both digital video and audioSupports HDTV with a single set of links

266

IEEE 1394 (fire wire)

Used to connect digital equipment such as digital set-top boxes, music systems, or camcorders directly to a personal computer

267

Features of a Set-Top-Box

Select channelsDescramble premium channlesAccess PPV and ON DEMANDUse remote controlsSet sleep timer

268

Downstream signal levels at the input to the set-top-box

Digital signal levels: -8 to +10 dBmV per BRISAnalog signal levels: 0 to +15 dBmV per BRIS

269

Where is a CableCARD Used?

Digital Cable-Ready (DCR) TVInteractive Digital Cable-Ready (IDCR) TVMultimedia Receivers (TiVo)Personal Computers

270

A DVR allows the customer to:

Easily record their favorite shows without tapes, without a VCR, of without troublesome timersPause live TV, view an instant replay, rewind favorite scenes, or play the show in slow motionRecord one show while recording another

271

In what three different ways can an IP address be assigned?

-Dynamic-Static-Reserved

272

Dynamic assignment of IP addresses is done through this.

Dynamic Host Configuration Protocol (DHCP) Server

273

This assigns a dynamic IP address when a device requests one.

Dynamic Host Configuration Protocol (DHCP) Server

274

A protocol for assigning IP addresses to devices on a network.

Dynamic Host Configuration Protocol (DHCP) Server

275

With this type of IP addressing, a device can have a different IP address every time it connects to the network.

Dynamic Addressing

276

This type of IP addressing simplifies network administration because the software keeps track of IP addresses rather than requiring an administrator to manage the task.

Dynamic Addressing

277

Through which type of IP addressing can a computer be added to a network without the hassle of manually assigning it a unique IP address.

Dynamic Addressing

278

Many ISPs use this type of IP addressing for dial-up users and broadband connections.

Dynamic Addressing

279

The type of IP addresses that are entered by an administrator or user and do not use the DHCP Server.

Static IP Addresses

280

The type of IP addresses that are used for devices in which the network or users depend on having the same address all of the time.

Static IP Addresses

281

Data transferred through a switch is ___-Duplex, meaning it can send and receive simultaneously.

Full-Duplex

282

IP addresses that can be reserved by the DHCP server for particular devices.

Reserved IP Addresses

283

The type of IP address that an administrator can use for a particular computer so that every time the computer request an IP address it will receive the same one.

Reserved IP Address

284

The type of IP addressing in which the DHCP server reserves the IP address for the MAC address that is associated with the device.

Reserved IP Address

285

The service that allows us to type "Comcast.com" instead of 69.241.45.20 in a web browser.

Domain Name Service (DNS)

286

The service that translates Domain Names into IP addresses.

Domain Name Service (DNS)

287

When a computer contacts a DNS server with a domain name and that DNS server does not have the IP address for the domain in its database, what happens next?

The DNS Server will submit a query to a higher level DNS Server

288

Which network equipment is used to send data between two or more networks?

Router

289

How many DNS Root Servers are there in the world?

13

290

The 13 servers that can identify and translate any existing domain name.

DNS Root Servers

291

Four types of networking equipment:

-Switch-Router-Access Point-Integrated Devices

292

A networking device that is used to connect multiple devices to a single LAN and has an internal memory.

Switch

293

A networking devices that maps a device's MAC address to the physical port.

Switch

294

A networking device that allows data to be sent only to the originating and destination ports thus providing collision detection.

Switch

295

Data transferred through a switch is ___-Duplex, meaning it can send and receive simultaneously.

Full-Duplex

296

A networking device that sends data between two or more networks and routes according to IP.

Router

297

Transmission of data in only one direction at a time.

Half-Duplex

298

This networking device is used in accordance with one or more 802.11 standards to extend a network over air through the use of radio waves.

Access Point (AP)

299

This networking device can have an internal or external antenna, is similar to a hub in that it acts like a repeater and is half-duplex.

Access Point (AP)

300

These networking devices are usually referred to as gateways or wireless routers and are mainly used in residential environments.

Integrated Devices

301

Many companies like Netgear and SMC sell devices that have a router, switch and access point merged into a single device. What are these networking devices called?

Integrated Devices

302

Which network equipment is used to send data between two or more networks?

Router

303

PACE

Provide an Awesome Customer Experience

304

Comcast Customer Guarantee

Offer a 30 day money back guaranteeAnswer customers questions at their convenienceOffer early understood billsBe mindful of customer's timeQuickly address problemsBe respectful and courteousOffer the best and most video choices

305

Welcome Kit

Provides customers with reference information for quick and efficient resolution of inquiries and/or problemsProvides customers with a record of requested and complete workGives customers confidence that they are receiving services from a reputable company

306

Federal Communications Commission (FCC)

U.S. government agency established in 1934 to regulate electronic communications.The FCC succeeded the Federal Radio Commission

307

A collection of software that manages computer hardware resources and provides common services for computer programs.

Operating System (OS)

308

A type of user interface that allows users to interact with electronic devices, using images rather than text commands.

Graphical User Interface (GUI)

309

A computer interface that permits users to directly manipulate objects which are displayed on the monitor.

Graphical User Interface (GUI)

310

Initially developed by Xerox PARC in the early 60's, this was first widely deployed on Macintosh.

Graphical User Interface (GUI)

311

The two most popular operating systems that Comcast high-speed Internet is supported on.

-Windows 7 and 8-Mac OS X

312

All drop cables used for RF signal distribution shall meet the minimum physical and electrical requirements of:

ANSI/SCTE 74 2003

313

RF, or Radio Frequency, is an electromagnetic signal above the _____ and below the ________ frequencies.

audioinfrared

314

Impedance Mismatch

The condition that results when two components of a system are operating at a different impedance

315

Causes of Impedance Mismatches

Crimping the cable by using the wrong size staples or cable clipsKinking the cableNot following the cable bending radiusImproperly installed F-connectors

316

Top five connector problems:

Moisture damage to connectors and cablesCenter conductor too long or shortConnector not tightened properlyBraid was removed. Left too long or shortWrong connector used for cable type

317

Key stages in the installation process

Plan the route of the dropWork at the tapWork at the houseBond to the electrodeVerify the signal

318

What are the five Installation Prerequisites Steps performed before installing XFINITY Internet?

1. Greet the customer2. Have the customer perform cold boot3. Check peripheral components4. Close security applications5. Check for minimum requirements

319

This refers to turning a computer/device on from a powered-down state. This also means that the power supply to the device is turned off and the device is booted up again.

Cold Boot

320

Who must always perform a Cold Boot?

The customer

321

What are the two steps taken to close security applications on a computer with a Windows OS?

1. Right click on the security application icon in the system tray.2. Click Close or Exit

322

What are the two steps taken to close security applications on a computer with a MAC OS X?

1. Open the security application2. Click Turn Off or Exit

323

Aerial drop routing must:

Follow the power service drop wherever possibleMaintain safe vertical clearanceAvoid cable trespass Avoid crossing swimming pools and utility lines

324

What are the seven steps of the XFINITY Internet Installation Procedure?

1. Locate/Install cable outlet2. Install cable modem3. Perform a backup4. Check for Network Hardware5. Connect Modem to Computer6. Setup Network Connections7. Activate Service

325

Adapter that allows a customer to use their electrical system as a transmission path for the home network.

Home Plug

326

What are the four steps for installing a Cable Outlet?

1. Decide where to install the cable outlet2. Discuss the location and process with the customer; explaining the need for a cable outlet.3. Inspect the location, both indoors and outdoors, where you will install the cable outlet.4. Install the cable outlet.

327

A safety code written and administered by the National Fire Protection Association.

National Electrical Code (NEC)

328

The resistance of a circuit to alternating current such as cable passive devices.

Impedance

329

Although this is measured in ohms, it can't be measured with the ohm portion of a volt-ohm meter.

Impedance

330

On a customer's computer, which port is recommended to use for XFINITY Internet installation?

The Ethernet port

331

During a XFINITY Internet installation; after backing the system registry, you must visually examine the customer's computer for what built-in ports?

Ethernet and USB ports

332

If a customer's computer does not have a free Ethernet port, what other port can you use to connect to the modem during the Installation of XFINITY Internet?

USB port

333

After connecting the modem to the computer, what is the next step during the XFINITY Internet Installation process?

Set up Network Connections

334

The first implementation of this transmission protocol was amazingly successful and it is still THE protocol of the Internet.

TCP/IP (Transmission Control Protocol/Internet Protocol)

335

This transmission protocol first saw use on the original Department of Defense Internet in 1983.

TCP/IP (Transmission Control Protocol/Internet Protocol)

336

A suite of communications protocols that allows communications between groups of dissimilar computer systems from a variety of vendors.

TCP/IP (Transmission Control Protocol/Internet Protocol)

337

While in the Set Up Network Connections step of the XFINITY Internet Installation process, what two steps are performed to set up a network connection in Windows OS?

1. Verify TCP/IP Settings2. Turn off file and print sharing.

338

While in the Set Up Network Connections step of the XFINITY Internet Installation process, what three steps are performed to set up a network connection in Mac OS?

1. Configure the computer's Ethernet connection to the Comcast network.2 Enable DHCP.3. Turn off file and print sharing.

339

A protocol for assigning dynamic IP addresses to devices on a network.

DHCP (Dynamic Host Configuration Protocol)

340

You have finished setting up the network connections on the customer's computer. According to the XFINITY Internet Installation process, what is the next step to take?

Activate XFINITY Internet Service

341

Through which two ways can you activate XFINITY Internet service for your customer?

1. iPhone or laptop2. Activation flow on the customer's computer

342

What are the three different XFINITY Internet provisioning scenarios?

1. Top-down provisioning2. Bottom-up provisioning3. Self-provisioning

343

This is the recommended method of provisioning because it works in all scenarios and it does not leave any data records that need to be reconciled manually.

Top-down provisioning

344

This type of provisioning occurs when the customer account exists in the billing system and the modem to be installed is on the account prior to it being physically connected.

Top-down provisioning

345

This type of provisioning occurs when the customer account exists in the billing system and the modem to be installed is not on the account in the billing system.

Bottom-up provisioning

346

This type of provisioning occurs when the customer calls the call center and orders XFINITY Internet, a rate code is added to the account and the equipment is shipped to the customer for self-installation.

Self-provisioning

347

The service activation process for XFINITY Internet begins with the authentication of the customer on the ___.

Comcast Advanced Activation Platform (CAAP)

348

The activation process flow that configures the customer's account and equipment during Service Activation using the customer's computer.

Comcast Advanced Activation Platform (CAAP)

349

When referring to XFINITY Internet Customer Education Guidelines, what is the "Rule of Three"

1. Ask the customer to create a Comcast.net e-mail address and password.2. Take the customer through the Online Welcome site.3. Demonstrate Comcast.net benefits

350

This is the ability to share resources such as files, printers, drivers and high-speed Internet access across all computers connected within a home.

Home Networking

351

Placement of the Wireless Gateway has a great impact on how it will function in a customer's home. What are the four rules that must be following when installing the Wireless Gateway?

1. Install in a central location where client devices will most likely be used.2. Install in an elevated location, such as a higher shelf where laptops have a line of sight view.3. Away from interference sources4. Away from metal objects and surfaces.

352

Provide two examples of interference sources that can impact the functionality of the Wireless Gateway.

Microwaves, 2.4Ghz cordless phones, additional wireless routers

353

A wireless adapter that connects to the outside of a laptop via a USB port.

USB Network Adapter or USB Wireless Adapter

354

This allows a customer to use their electrical system as a transmission path for the home network.

Home Plug

355

what does RIGHT mean?

Re-establish your rapportInform the customer that we need inputGuaranteeHand the Comcast business card to the customerThank the customer for his or her busines

356

What is the default IP address you can use to login to the XFINITY Internet Wireless gateway?

10.0.0.1

357

This Advance feature in the XFINITY Internet Wireless Gateway uses Plug and Play (UPnP) to automatically configure the router and devices for various Internet applications such as gaming, media sharing and video conferencing.

Device Discovery

358

Device Discover in the XFINITY Internet Wireless Gateway uses ___ to automatically configure the router and devices for various Internet applications such as gaming, media sharing and video conferencing.

UPnP (Universal Plug and Play)

359

A command line command that displays the IP address, subnet mask, and default gateway for all adapters.

ipconfig

360

A command line command used to determine the computer's IP address and to reset the address if the computer cannon connect to the Internet.

ipconfig

361

This command line command can be used to release the current IP address of a computer.

ipconfig/release

362

This command line command can be used to get a new IP address on a computer.

ipconfig/renew

363

A utility used to determine whether a specific IP address is accessible; it sends a packet to the specified address and waits for it to reply.

Ping

364

This command line utility is used to see if the computer can successfully access a specified website.

Ping

365

A utility that traces a packet from your computer to an Internet host.

Traceroute

366

A command line utility used to show how many hops the packet requires to reach the host and how long each hop takes.

Traceroute

367

What switch is added to the ping command for continuous pinging?

-t

368

What key combination is pressed on the keyboard to stop a continuous ping?

Ctrl + C

369

How do access the Ping utility in Mac OS X?

1. Double click Macintosh HD2. Macintosh Hard Drive>Applications>Utilities>Network Utilities3. Click the Ping Tab4. The URL name or IP address5. Click Ping6. Close the Network Utility window

370

What are the five restore/reset options in the Restore/Reset Gateway screen in a XFINITY Internet Wireless Gateway?

1. Reset2. Reset Wi-Fi Module3. Reset Wi-Fi Router4. Restore Wi-Fi Settings5. Restore Factory Settings

371

In Restore/Reset Gateway screen of a XFINITY Internet Wireless Gateway, which reset option can be used to restart the gateway?

"Reset"

372

In Restore/Reset Gateway screen of a XFINITY Internet Wireless Gateway, which reset option can be used to reset the Wi-Fi module only?

"Reset Wi-Fi Module"

373

In Restore/Reset Gateway screen of a XFINITY Internet Wireless Gateway, which reset option can be used to activate the Gateway Default Settings for Wi-Fi only? This option will cause only Wi-Fi Settings to be lost.

"Restore Wi-Fi Settings"

374

In Restore/Reset Gateway screen of a XFINITY Internet Wireless Gateway, which reset option can be used to activate your Gateway Default Settings? This option will cause all previous settings to be lost.

"Restore Factory Settings"

375

Devices/product surfaces must not exceed 45 °C for _______ and 40 °C for ________?

Plastic and metal

376

List 4 features of X1

new On demandsmart searchlast ninecloud dvrand any others that are true just not listed.

377

what system was created to better server our customers television needs?

X1 platform

378

what are the two ways the x1 platform provides and receives information?

QAM and DOCSIS

379

How big of a hard drive does the XG1 have?

500 GB

380

If a X1 box is hooked up with RF output what aspect ratio will the guide be?

4:3

381

what button on the xfinity remote gets to almost all functions?

the xfinity button

382

One thing every X1 install needs?

POE filter(MoCA filter)

383

what is the number digits to un-pair the XR2 remote?

987