Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

CCT5 Class 2015 > CCT5 Book > Flashcards

CCT5 Book Flashcards

1
Q

SOA

A

Service Order Agreement

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

Outlines the services provided and the costs for the services by a service provider.

A

Service Order Agreement

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

What is the subnet mask used for a /29 subnet?

A

255.255.255.248

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

Below are the Guidelines for what?

  • Specific Action
  • Context of the Action
  • Impact of the Person’s Action
  • Suggesting for a Remedy or Coaching
A

Guidelines for Constructive Feedback

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

What are the four co-worker learner types identified in The Learning Cycle?

A
  • Avid Beginner
  • Disillusioned Beginner
  • Reluctant Learner
  • Expert
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

What does the “Comcast Equipment” section of the Business Class Terms and Conditions state?

A

The customer should never handle Comcast equipment. If that occurs and there is a problem, Comcast may not be responsible.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

This type of cable can only be used in residential buildings, not business building.

A

CATVX (X-Rated)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

This from the National Fire Protection Agency (NFPA) requires that all cabling and primary protectors be grounded to an approved ground when entering a building or entrance facility.

A

NEC (National Electrical Code)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

The process of placing an entire packet within another packet and sending it over a network.

A

tunneling

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

when replacing or installing a drop ,first priorty is

A

saftey

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

QAM

A

Quadrature Amplitude Modulation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

“I feel annoyed when you are late for installs” is an example of

A

Constructive feedback

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

This type of ghost appears to the left of the picture

A

Following Ghost

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

When working with a business customer, it is possible that you’ll also have to work with these three during the project:

A
  • Project Manager
  • Construction Personnel/Building Maintenance
  • Landlord/Building Owner
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Each MegaPort Gateway (MPG) can support up to ___ rooms, so if the facility is large, multiple MPG’s must be used.

A

64 Rooms

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The bandwidth of a Return Amplifier typically ranges from:

a. 5-42 MHZ
b. 30-300 MHZ
c. 5-600 MHZ
d. 50-550 MHZ

A

a. 5-42 MHZ

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

The most likely system components to cause waveform distortions are:

a. Passive components
b. Amplifiers
c. RC Networks
d. Fiber Optic Cables

A

b. Amplifiers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Where can you find information on mechanical and electrical systems?

A

Management DepartmentBuilding Plan

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

This map also includes symbols indicating

the other service companies using a

pole, such as the power company,

the telephone company, or both.

A

Strand Map

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

These maps typically show how active

devices are cascaded and how they

connect to the head-end, hub, or

node.

A

Amplifier Schematic Map

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Why is Business Class voice not available for large business customers?

A

Because Comcast only offers up to 8 telephone lines.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

While working on a project, who may you want to ask these questions to?

  • Are you or the tenant aware of potential landlord restrictions for the installation, such as access, drilling and placement of equipment?
  • Is the landlord/building owner aware of business product agreement?
  • Do you or the tenant know of the overall approval process to install new services?
  • What is the process to contact local Landlord and Comcast personnel?
A

Landlord/Building Owner

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

chsi installation includes a one -time loss is measured in a db because it is a

A

ratio

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

A detailed, thorough analysis of all of the features currently existing at a customer site.

A

Site Survey

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

You must be certified to operate in these environments

A

asbestos, rooftop work and confined spaces situations

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

CRAN services include:

a. High speed data, All-digital Simulcast (ADS), Unencrypted Transport (UET), and Video on Demand (VOD)
b. High-speed data, All-digital Simulcast (ADS), Unencrypted Transport (UET), and Land Line Phone Service
c. High-speed data, All-digital Simulcast, Land Line Phone Service and Video on Demand (VOD)
d. High-speed data, Land Line Phone Service, Unencrypted Transport

A

a. High speed data, All-digital Simulcast (ADS), Unencrypted Transport (UET), and Video on Demand (VOD)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What are common cause of Return Path Interference

A
  • Voice of America
  • CB
  • Amateur Radio transmitters
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

This shall not be smaller than 14 AWG

A

groundind conductor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

These below are part of what step of the Installation Process?

  • While technicians are working, attempt to check-in to see if everything is going smoothly.
  • Often, technicians may not ask for help and it takes your initiative to identify and resolve an issue.
  • Follow-up can also include coaching, if necessary.
  • Before you finish up, you may want to have a meeting with the whole team to ensure everyone completed their responsibilities and congratulate the team for their hard work.
A

The fifth step; Follow Up

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Second-Order Harmonics are typically how far (dB) below sum and difference products?

a. 3dB
b. 10dB
c. 4dB
d. 6dB

A

d. 6dB

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What document would help a customer find information on this:”If I’m having problems with my network, how will I know if it’s Comcast’s responsibility or my responsibility to fix?”

A

Business Terms and Conditions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What document would help a customer find information on this:”Do you give information out to other companies or telemarketers?”

A

Comcast Customer Privacy Notice

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

In a /28, how many static IPs does the customer get?

A

13

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

This document describes Comcast’s information practices, including how personal information is collected, disclosed, and protected.

A

Comcast Customer Privacy Notice

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

This type of cable shall be used in vertical shafts and from floor to floor in multi-story buildings.

A

CATVR (Riser)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What questions would you ask yourself to ensure the Site Survey is reviewed effectively?

A
  • What tasks need to be accomplished?
  • How many people will be needed?
  • What skill sets are required?
  • What equipment will be needed?
  • Are there any special requirements from the customer? (i.e., cable cannot be disconnected during certain hours, etc…)
  • Where does the equipment go (map)?
  • When does the installation need to be completed?
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the third step if the Installation Process?

A

Conduct Team Meeting

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

A support mechanism used to route and support telecommunications cable or power cable. Typically, cable trays are equipped with sides that allow cables to be placed within the sides over its entire length.

A

Cable Tray

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

SInce you can also perform the same tests that you would for a splitter or DC on a Power Inserter, what would be the difference between the tests for a splitter or DC and the test for a Power Inserter?

A

If you do not have AC voltage at the input port, then you should check the power supply.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

How does a CCT5 differ from a CCT4?

A

CCT4 is for small to medium business. CCT5 is for businesses with 50 employees or more(enterprise).

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

This type of co-worker has become capable in performing their new skill but they’re still not confident and need to give a few pointers.

A

Reluctant Learner

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What should you do when you’re in a situation in which you think NEC codes are not complied with

A

consult your supervisor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

These are also known as service order agreements, are an essential element in the Comcast/business customer relationship.

A

Business Contracts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

The right to travel over another person’s land, known as a right-of-way is the most common type of ___

A

Easement

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Access, Comcast Equipment and Customer-Provided Equipment are sections taken straight from this document that technicians need to know.

A

Business Class Terms and Conditions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q
  1. Comcast High-pass Filters attenuate:
    a. 50-500 MHZ
    b. 5-500 MHZ
    c. 30-300 MHZ
    d. 3-50 MHZ
A

d. 3-50 MHZ

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

This type of ghost appears to the right of the picture.

A

Leading Ghost

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

This is caused when a TV signal (of the same frequency and video content) arrives at a receiver just before, or just after, the desired TV signal.

A

Ghost

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Ingress from transmitters operating in the upstream frequency bandwidth with the majority of ingress entering the system between the tap and the customer’s TV set.

A

Return Path Intereference

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

This type of topology is structured so that every network device on the network has exactly 2 and all packets travel along a ring in the same direction.

A

Ring Topology

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

The numbering system used to catalogue your system maps.

A

Map Grid System

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What document would help a customer find information on this:”Where can I find out how much I’m being charged each month?”

A

Signed Service Order Agreement

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

A problem that affects all of the customer’s services is most likely to be:

a. The Set-top Box
b. A problem at the Head-end
c. A problem at the Drop
d. A faulty receiver

A

c. A problem at the Drop

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Grounding conductors shall have a current carrying capacity approximately:

A

equal to that of the outer conductor of the coaxial cable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

This map provides the layout of the system in a condensed form.

A

Amplifier Schematic Map

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Business Class Available Products and Services (2008)

A

-Business Class Internet -Teleworker-Business Class TV -Ethernet Network Service -Ethernet Dedicated Internet -Ethernet Private Line

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

What does the “Access” section of the Business Class Terms and Conditions state?

A

The customer needs to provide safe and accessible spaces to install Comcast services.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Cable and connecting hardware that provides interconnections between telecommunications rooms, equipment rooms, and entrance facilities.

A

Backbone cabling

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

This type of topology has a communication center to which all network devices are directly connected. All packets will travel through the communication center.

A

Star Topology

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

This type of co-worker needs technical support and emotional support so the failures don’t become bad habits. Feedback is required so he knows what he’s doing right/wrong.

A

Disillusioned Beginner

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Cable and connecting hardware that interconnects between telecommunications rooms, equipment rooms, and entrance facilities.

A

Backbone (vertical) cabling

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

If the signal level at the tap is 15 dBmV, what is the signal level (dBmV) at the box if a 55 MHZ signal is routed through a total length of 155 feet of RG6 cable and a two way splitter?

a. 9
b. 12
c. 0
d. 5

A

a. 9

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

This is provided by the building owner to allow the tenant the right to choose their own cable/Internet/telephone services provider

A

An easement

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Another source of interference that affects the return path, but is not ingress related.

A

Common Path Distortion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

This map shows streets with

pole and pedestal locations and

includes the span length or footage

between these items.

A

Strand Map

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

The role of a coach is

A

to be an experienced supportive partner

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

Cut the shrink boot so that it is long enough to cover:

A

cover the connector and

slightly overlap the cable

jacket.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

What are three services that Comcast has tailored for large business customers?

A

-High-security Ethernet services -A single point of contact with a National Account Manager -Separate call centers from our residential and small business customers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

NFPA

A

National Fire Protection Agency

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

If a customer can be serviced with a plant extention

A

Serviceable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

This type of cable shall be suitable for general purpose use with the exception of plenums and risers.

A

CATV (V-Rated)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

The Composite Triple Beat (CTB) interference threshhold is how many dB below the carrier signal level?

a. 57
b. 25
c. 39
d. 26

A

a. 57

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

This document includes these headings:Installation and Construction Information and CostsTotal Service Charges

A

Service Order Agreement

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

CPD

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

If the costs increase, Comcast can’t charge more

A

Disadvantage of a Contract

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

This map shows the locations

of the electronic equipment,

including the head-end and any

hubs, also amplifiers, power

supplies, and taps.

A

Design Map

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

To ensure you bring enough materials, as well as the correct ones, determine the _____ of road bore, aerial and/or underground cable that is required.

A

Cable Footage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

Because cable systems are not always constructed exactly like they are designed, your system adds or changes information on the design map. The corrected map is called:

A

As Built Map

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

While in the”Acquire Necessary Materials” step of the Installation Process, what are the implications of NOT having enough materials?

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q

What is the fifth step of the Installation Process?

A

Follow-Up

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
52
Q

What are the Guidelines for Constructive Feedback?

A
  • Specific Action
  • Context of the Action
  • Impact of the Person’s Action
  • Suggesting for a Remedy or Coaching
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
54
Q

Below are the five steps for _____

  • Review Site Survey
  • Acquire Necessary Materials
  • Conduct Team Meeting
  • Perform Actions
  • Follow-Up
A

The Installation Process

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
55
Q

What document would help a customer find information on this:”How do I know what kind of information is not allowed on my website?”

A

Business Class Internet Acceptable Use Policy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
56
Q

A low-resistance connection between two points in an electric circuit that forms an alternative path for a portion of the current.

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
57
Q

“I would appreciate it if you would arrive at customer locations on time” is an example of

A

Constructive feedback

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
58
Q

DNS

A

Domain Name System

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
59
Q

What are four disadvantages of a contract?

A
  • Obligates the customer and Comcast
  • If prices increase, Comcast may not be able to charge more
  • Discourages flexibility in changes
  • May not be fully understood by the customer and can cause future problems
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
59
Q

When determining the route of cable through a building, this is referred to as:

A

Installing Pathways

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
60
Q

This codifies the requirements for safe electrical installations into a single, standardized source.

A

NEC (National Electrical Code)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
61
Q

Any enclosed channel designed for holding wires or cables.

A

Raceway

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
62
Q

an equalizer does what?

A

compensates for cable non linearity.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
63
Q

-Customer’s network and configuration-What Comcast equipment is necessary

A

Site Survey Key Information

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
65
Q

How many users constitute a large business?

A

50 or more

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
66
Q

Customer has a document outlining how Comcast does business

A

Advantage of a Contract

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
67
Q

Restrict feedback to only those items about which you know for certain is

A

Guideline for Consttructive Feedback

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
68
Q

When installing a pin connector, if a passive device does not have a gauge etched into the housing to show you how long the pin must be, how will you trim the pin?

A

Trim the pin length so that it extends ⅛ inch to ¼ inch beyond the seizure screw.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
69
Q

what measures the ratio of the error power to the average power in an ideal qam signal.

A

mer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
69
Q

This means our network is close to the customer’s location, but physical construction must happen in order to extend it to the location (running line underground) or inside of the location (drilling through a wall).

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
70
Q

What four video services can’t buasiness customers have?

A

VOD

DVR

Premium Channels

PPV

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
71
Q

A group of computers that communicate as if they were attached to the same wire, regardless of their physical location and has the same attributes as a physical LAN, but allows for computers to be grouped together even if they are not located on the same LAN.

A

VLAN (Virtual Local Area Network)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
72
Q

Survey the entire route of a ______ before installation to that there are no obstacles.

A

Pathway

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
73
Q

While refering to The Learning Cycle, the least support and instruction/feedback is needed for which co-worker?

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
75
Q

Bandwidth scalable up to 1 Gbps with multiple Q0S options.

A

Flexible Configurations

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
76
Q

VLAN

A

Virtual Local Area Network

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
77
Q

What are two different Site-to-Site VPNs that a company can use to connect multiple fixed sites over a public network?

A
  • Intranet-based
  • Extranet-based
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
78
Q

What is the subnet mask used in a /28 subnet?

A

255.255.255.240

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
78
Q

This device in a hotel uses an available downstream frequency to convert the Ethernet to a coaxial signal.

A

MegaPort Gateway (MPG)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
78
Q

How do you test line splitters and directional couplers to see if they are passing RF signals?

A
  • Remove the port cover.
  • Use an F-to-housing adapter or a device made for this purpose to connect the SLM to the seizure screw.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
80
Q

Wire management ring made of metal or plastic, and shaped like the letter D for routing and supporting distribution cables and/or cross-connections on a backboard.

A

D-Ring

81
Q

At any temperature above absolute zero, thermal noise is caused by random electron activity of the atoms that make up the conductor, resistor, or any part of the passive circuit in question.

A

Thermal Noise

82
Q

List 4 of the features included with:Ethernet Network Service

A

-Any-to-any Connectivity -Class of Service -VLAN Transparency -Web-based Reporting

84
Q

Aside from greater transmission efficiency, optical fiber:

a. is unbreakable
b. is immune to Ingress and does not radiate RF
c. has no practical limitations
d. is guaranteed to last forever

A

b. is immune to Ingress and does not radiate RF

85
Q

When installing a pin connector; after hand tightening, use an adjustable wrench to tighten the front nut _____.

A

¼ to ⅛turn.

86
Q

Includes primary and secondary DNS service. Assitance provided to transfer existing domain names.

A

Domain Name System (DNS)

87
Q

A very thorough document, detailing what Comcast provides, what Comcast does not provide, and what is expected of the customer

A

The Business Class Terms and Conditions

89
Q

a leading ghost is usually due to?

A

signal ingress

90
Q

This means there is no way we can get service into the customer’s location.

A

Non-Serviceable

91
Q

You are installing new equipment to an existing outlet. Before connecting you must check Ingress with a SLM across the entire:

a. 50-600 MHZ spectrum
b. 5-550 MHZ spectrum
c. 30-300 MHZ spectrum
d. 5-42 MHZ spectrum

A

d. 5-42 MHZ spectrum

92
Q

The 2008 NEC Code states that abandoned cables in plenum space must:

A

be removed, or used for future purposes, in order to reduce the risk of fire.

93
Q

Connectivity statistics for the previous day, or for the previous seven-day or 30-day period, can be viewed through our secure Web portal.

A

Web-Based Reporting

94
Q

Discourages flexibility and changes (no downgrades)

A

Disadvantage of a Contract

96
Q

Optional path and equipment redundancy can be provided for added reliability.

A

Self-Healing Site Protection

97
Q

Association that writes and administers the National Electrical Code.

A

National Fire Protection Agency (NFPA)

99
Q

A right to another person’s real estate for a specific purpose.

A

Easement

100
Q

True/False:Is Business Class voice available for large business customers?

A

No, only 8 telephone lines are available?

101
Q

This shall be as short as practicable

A

the grounding conductor

103
Q

A 66 block is used for

A

phone

105
Q

This assigns numbers to the top, bottom, and side of the maps so that you can determine which map to go to next when you are following the signals back to their source.

A

Map Grid System

106
Q

The limitation of subnetting a network with a router is that all devices on that subnet must be connected to the same switch and that switch must be connected to a port on the router. What could be implemented instead of subnetting?

A

a VLAN

107
Q

What is the first step of the Installation Process?

A

Review Site Survey

108
Q

What are the four types of maps

used in cable network design?

A
  • Base maps
  • Strand maps
  • Design maps
  • Amplifier schematics or “tree” maps
109
Q
A
110
Q

Domain Name System

A

DNS

111
Q

-Permits & Easements-Cable Footage-Excessive Constructions Needs

A

Other Site Survey considerations

113
Q

In Cable TV, what temperature in Farenheit do we use as our temperature of reference?

A

68 degrees farenheit

114
Q

SuggestListen and considerAdmit when you don’t know somethingEvaluate actions

A

Coaching “Do’s”

115
Q

At any temperature above absolute

zero, _____ is caused by

random electron activity of the

atoms that make up the conductor,

resistor, or any part of the passive

circuit in question.

A

Thermal Noise

117
Q

For building with exteriors like brick, shingles, stucco, and tile, try to drill carefully from

A

outside to inside

118
Q

the part of the optical fiber that transmits light is ?

A

the core.

119
Q

What actions do you think are required to ensure that you are running a productive team meeting?

A
  • Clearly describe the project
  • Perform any necessary on-the-job training
  • Be specific about who performs what task(s)
  • Listen to any concerns
  • Answer all questions
  • Keep the group focused
  • Establish a schedule
120
Q

Supports multi-homing with load balancing for faster, more efficient routing between networks.

A

BGP Routing Protocol

121
Q

The wavelengths of light used in Broadband

Communications are:

a. 50 THZ and 150 THZ
b. 150 GHZ and 550 GHZ
c. 50 MHZ and 550 MHZ
d. 1310 nm and 1550nm

A

d. 1310 nm and 1550nm

122
Q

On a directional coupler, what do you do if AC voltage is present on the input and not the outputs?

A
  • Remove the faceplate to determine if the shunts or fuses are in their proper positions and, if fuses are used, that they are intact.
  • If the fuses are not intact, then replacing them may fix your problem unless there is a short further downstream.
  • If this is the case, you may need to temporarily install a shunt or a circuit breaker to help determine which leg is shorted.
123
Q

This provides all of the information you will need to know about the adjacent amplifier.

A

Amplifier Data Box (Tombstone)

125
Q

TDR stands for:

a. Total dialectric resistance
b. Time domain reflectometer
c. Two dimensional receiver
d. Three dimensional radiography

A

b. Time domain reflectometer

126
Q

The primary concern of Signal Ingress is:

a. Transmission costs
b. Too many free channels
c. Loss of uplink
d. Signal quality

A
127
Q

What does the “Customer-Provided Equipment” section in the Business Class Terms and Conditions state?

A

We are not responsible for any

customer-provided equipment,

including any of their

incompatibilities or problems.

128
Q

In a /30 subnet, how many static IPs does the customer get?

A

1

129
Q

This co-worker requires little direction and support - begins to take ownership of the new tasks and assignments. These are set to take on a new product or role.

A

Expert

131
Q

A rigid or flexible metallic or non-metallic raceway of circular cross-section through which cables can be pulled.

A

Conduit

132
Q

What message do you send to your team by outlining the next steps, assigning responsibility for each step and setting a goal for completion?

A
  • Their input is valued.
  • Their time is valued.
  • They are competent enough to work through the team’s issues.
  • The team as a whole is always moving forward.
133
Q

The grounding shall be as close as practivable to:

A

the point of entrace

134
Q

What is the most important characteristic of feedback?

A

Context

135
Q

Typically include instructions, contact information and a monthly rate with charges for ancillary services.

A

Service Order Agreement

136
Q

The most likely causes of Ghost images are:

a. Poor imeadance matching and rain
b. Atmospheric conditions and aircraft
c. Ingress, poor return loss, and poor directivity
d. Cross modulation from adjacent channels

A

c. Ingress, poor return loss, and poor directivity

137
Q

What are four advantages of a contract?

A
  • Protects Comcast legally
  • The customer understands exactly what he/she is getting
  • There are no questions about what a term or service means
  • Costs and services are agreed upon
138
Q

When checking for ingress, the meter indicates +7.4 dBmV at 35.25 MHz. This is higher than –30 dBmV so before you can connect the drop to the tap, you must:

a. Replace the F-connector
b. Troubleshoot, locate, and repair the problem
c. Troubleshoot, locate, and report the problem
d. Cancel the work order

A

b. Troubleshoot, locate, and repair the problem

139
Q

Is it ok to rest horizontal cables on drop ceilings?

A

No

140
Q

The main purpose of POP tests is to insure that:

a. FCC standards are met
b. Customers remain satisfied with service
c. Unwanted signals are not present
d. Cross modulation is not occurring

A

a. FCC standards are met

141
Q

This map resembles a street

map, complete with features like

lakes and rivers, streets, and

boundaries.

A

Base Map

142
Q

If a customer can’t get service, regardless of plant extension

A

Non-Serviceable

143
Q

Comcast outlines the acceptable and non-acceptable uses of our Internet services. This applies to surfing the Internet as well as e-mail and web hosting.

A

Business Class Internet Acceptable Use Policy

144
Q

What is the second step of the Installation Process?

A

Acquire Necessary Materials

145
Q

Where fire or smoke barriers are penetrated, what should be done to maintain the fire rating of the barrier?

A

Need to be fire stopped

147
Q

Eliminates confusion about definitions or terms that are used

A

Advantage of a Contract

148
Q

What is the C/N ratio at the output of a single amplifier with a NF of 7 dB and an input level of 10 dBmV?

a. 59.2 dB
b. 56.2 dB
c. 62.2 dB
d. 17 dB

A

c. 62.2 dB

149
Q

Most VPNs rely on _____ to create a private network that reaches across the Internet.

A

tunneling

150
Q

What are the five steps in the installation process?

A
  • Review the Site Survey
  • Acquire Necessary Materials
  • Conduct Team Meeting
  • Perform Actions
  • Follow-Up
151
Q

What is the subnet mask used for a /30 subnet?

A

255.255.255.252

153
Q

While working on a project, who may you want to ask these questions to?

  • Do I need access from the building maintenance crew?
  • Did you coordinate with the construction personnel to discuss the construction needs?
A

Construction Personnel/Building Maintenance

154
Q

Over the past couple decades, why was there such a surge in abandoned cables imbedded in concealed spaces?

A

because as new higher performance cabling was installed, rarely were the old cables removed.

155
Q

In a /29 subnet, how many IPs does the customer get?

A

5

156
Q

What is the fourth step of the Installation Process?

A

Perform Actions

158
Q

It is ok to install this cable in a business if installed in metallic conduit or noncombustible tubing or if the vertical shaft is fireproof with fire stops between floors.

A

CATV (V-Rated)

159
Q

Why would a customer want to use port forwarding on the IP Gateway?

A

In order to increase security by defining/limiting what information users and groups can access.

160
Q

When a company has a close relationship with another company, they can build an _____ VPN that connects LAN to LAN.

A

Extranet-based

161
Q

This has an inner coating that melts and sticks to the cable, further preventing moisture from entering the connector.

A

Shrink boot

162
Q

This document includes these headings:Customer Account InformationServices and OptionsSignatures by Customer and Comcast

A

Service Order Agreement

163
Q

A Fiber Link System is made up of what three components?

a. Fiber, Diode, and Amplifier
b. Cable, Transmitter, and Receiver
c. Laser, Diode, and Cable
d. Laser, Transmitter, and Receiver

A

b. Cable, Transmitter, and Receiver

164
Q

-Describe the business construction and layout-Identify restrictions due to the landlord-Identify any replacement of cable equipment

A

Site Survey Key Information

165
Q

A method of reception using an RF

current of the proper magnitude

and phase relation so the received

voltage is of the same nature as the

original wave.

A

Zero Beat

166
Q

A tubular rigid or flexible metallic or non-metallic raceway through which cables can be pulled.

A

Conduit

167
Q

The term CRAN refers to a:

a. Converged Regional Area Network
b. Complete Residential Area Network
c. Complex Regional Area Network
d. Complex Residential Area Network

A

a. Converged Regional Area Network

168
Q

List 4 of the features included with:Ethernet Dedicated Internet.

A

-Tailored Bandwidth-Domain Name System -BGP Routing Protocol (optional) -Web-based reporting

169
Q

In a hotel this is installed in each guest room to convert the coaxial signal back to Ethernet over CAT5.

A

MegaPort Outlet (MPO)

171
Q

what is the signal loss in db,s of each port on 4way splitter

A

7dbs

172
Q

What will be needed in a business with these attributes?

  • More than 200 devices on LAN
  • Lots of broadcast traffic
  • Groups of users need more security or are being slowed down
  • Groups of users need to be on the same broadcast domain because they are running the same applications
A

Customer would need a VLAN

173
Q

The following test does NOT fall within the technical standards for POP compliance:

a. Dolby Sound Quality
b. Carrier to Noise Ratio
c. Video-Audio Carrier Separation
d. Differential Gain

A

a. Dolby Sound Quality

174
Q

Ingress from transmitters operating

in the upstream frequency

bandwidth with the majority of

ingress entering the system

between the tap and the customer’s

TV set.

A

Return Path Intereference

175
Q

Known as a channel deletion filter, this device deletes unused channel and inserts local feed for subscription channel.

A

Notch filter

177
Q

A customer Ethernet network that allows customers to seamlessly link multiple locations together and exchange data up to 1 gigabit per second.

A

Ethernet Network Service

178
Q

SLA

A

Service Level Agreement

179
Q

VPN

A

Virtual Private Network

180
Q

This device at a hotel also provides DHCP services for the guests, IP Address translation, Log-on services, billing, authentication, reporting, and port mapping functions.

A

IP3 Server Management Server

181
Q

A standard for the safe installation of electrical wiring and equipment.

A

NEC (National Electrical Code)

182
Q

What is the difference between installing a connector on an active and passive device?

A
  • The manner in which you position the cable.
  • Use adapters to prevent over-bending the cable.
183
Q

Also called a business contract

A

Service Order Agreement

185
Q

When using a Tone Generator, always:

a. Apply an intermittent signal
b. Disconnect from the CPE before use
c. Disconnect the Ground Block before use
d. Disconnect from the Tap before use

A

d. Disconnect from the Tap before use

186
Q

Symmetrical dedicated Internet bandwidth configurable from 10Mbps to 1Gbps in Mbps.

A

Tailored Bandwidth

187
Q

The amplifier data or identification box is sometimes called:

A

tombstone or headstone

188
Q

when responding to trouble call you should?

A

speak directly to the customer where the problem exists.

189
Q

What document would help a customer find information on this:”What if my Internet service goes down? Do I still have to pay for it?”

A

Business Class Terms and Conditions

190
Q

Business Class Available Ethernet Products (2008)

A

-Ethernet Network Service -Ethernet Dedicated Internet -Ethernet Private Line

191
Q

Dedicated layer-2 capacity between locations.

A

Dedicated Connectivity

192
Q

What are some unofficial new roles and titles that are assumed with CCT5?

A

Leader Decision Maker Technical Expert Coach Role Model Supervisor

193
Q

In general, if the building has wooden exterior siding, you will drill from

A

inside to outside

194
Q

BEAT frequencies are produced by:

a. Two signals of exactly the same frequency
b. The difference in frequency between two signals, but not the sum of the two frequencies
c. The sum of two different frequencies, but not the difference of the two frequencies
d. All mathematical combinations of the two different frequencies that don’t result in a negative value

A

d. All mathematical combinations of the two different frequencies that don’t result in a negative value

195
Q

This information is something typically found where?

  • Amplifier Number
  • Power Supply Number and Power Feed
  • AC Voltage
  • Amplifier Cascade
  • Amplifier Output at Design Frequency
  • Amplifier Input at Design Frequency
  • Amplifier Input at Low Forward Channel
  • Forward Equalizer
  • Forward Pad
  • Reverse Output Level
  • Reverse Input Level
  • Reverse Equalizer
  • Reverse Pad
  • Amplifier Part Number
  • Reverse Part Number
  • Footage to Previous Amplifier
A

Amplifier Data Box (Tombstone)

196
Q

Forward Error Correction (FEC) works to correct transmission problems by:

a. Reducing Thermal Noise
b. Adding necessary data bits to the video data stream
c. Eliminating Ingress
d. Increasing signal gain and reducing noise level

A

b. Adding necessary data bits to the video data stream

197
Q

Why not just subnet the network instead of using VLAN’s?

A

with a VLAN, devices in different physical locations can be on the same network. With a subnet, devices must be connected to the same switch that switch must be connected to a port on the router.

198
Q

Ham and other broadcast AM carriers that cause interference will typically form a pattern of diagonal lines on the screen. What is this called?

A

A Beat

199
Q

This type of co-worker enthusiastic but needs clear instructions and lots of feedback because they’re about to learn something new

A

Avid Beginner

200
Q

Taps can also be the cause of a system problem. Troubleshooting here is the same as that of:

A

Splitters and Directional Couplers

201
Q

Agreed upon services, terms and costs

A

Advantage of a Contract

202
Q

Constructive feedback focuses on

A

specific actions

203
Q

This document includes these headings:Billing informationLegal Information and DisclaimersSignatures by Customer and Comcast

A

Service Order Agreement

205
Q

Thermal Noise is caused by:

a. Voltage spikes
b. Overheating Equipment
c. Imported system components
d. Random electron activity

A

d. Random electron activity

206
Q

A method of reception using an RF current of the proper magnitude and phase relation so the received voltage is of the same nature as the original wave.

A

Zero Beat

207
Q

Cable that runs from the telecommunications room to a device. It may be installed in either a horizontal or vertical plane.

A

Horizontal cable

208
Q

A chemical change caused by a

reaction to oxygen such as rust.

A

Oxidation

209
Q

____ is sending AC voltage from two different power supplies, causing a large spark.

A

Bucking Power

210
Q

Before you install a connector on a passive device what are the steps you must take?

A
  • Remove the port covers.
  • If present remove the plugs from the threaded input and output ports.
  • Loosen the seizure screws at each port you will be connecting.
211
Q

If the signal strength is 10 micro-volts and the noise level is one micro-volt, then the S/N ratio is:

a. 10 dB
b. 100 dB
c. 20dB
d. 50 dB

A

c. 20dB

212
Q

What type of Internet service is Comcast’s Ethernet Dedicate Internet similar to?

A

a T1

214
Q

Protect Comcast legally

A

Advantage of a Contract

215
Q

drill from outside to inside on brick walls and

A

use the softer mortar as the drilling point

217
Q

This map shows how the system

was designed, including the system

signal flow logic, from the head-end

to the customers, and the power

flow to support the system.

A

Design Map

218
Q

At a minimum, you should have the following test equipment:

a. SLM and VOM
b. SLM, VOM and O-scope
c. SLM, VOM, and Test TV
d. O-scope, SLM, and Test TV

A

c. SLM, VOM, and Test TV

220
Q

What is the most serious problem from abandoned cables in plenum space?

A

their potential to both fuel and spread a very large, very hot fire in concealed spaces, in the event of a building fire.

222
Q

a material that shrinks when heat is applied to it.

A

Shrink boot

224
Q

What are the three different learning styles?

A
  • Visual
  • Auditory
  • Tactile
226
Q

How do you test line splitters and directional couplers to see if they are passing AC voltage?

A
  • Remove the port cover.
  • Place the red test lead on the screw and the black to ground.
227
Q

Obligates the customer and Comcast

A

Disadvantage of a Contract

228
Q

Interference in the return path signals caused by the reaction of the dissimilar metals, found in active and passive devices, to a combination of the oxidation process and the forward electrical signals.

A

Common Path Distortion

230
Q

Signal leakage contributing to the overall CLI in a given area is NEVER caused by:

a. Faulty F-connectors
b. Consumer purchased retail equipment
c. Distant Lightning
d. Improperly installed cable

A

c. Distant Lightning

231
Q

If a company has locations that they wish to join in a single private network, they can create an _____ VPN to connect LAN to LAN.

A

Intranet-based

232
Q

What does NEC Code 2008, Article 820(A) and 830(C) state about abandoned cables in plenum space?

A

abandoned cables in plenum space must be removed, or used for future purposes, in order to reduce the risk of fire.

233
Q

A panel (e.g., wood or metal) used for mounting connecting hardware and equipment.

A

Backboard

234
Q

The fifth of five levels aimed towards customer-focused technicians

A

CCT5

235
Q

QAM provides a means to transmit two carriers of the same frequency at the same time; however, they are:

a. Carrying different information and they are 90 degrees out of phase
b. Carrying different information and they are 180 degrees out-of-phase
c. Carrying different information and they are 65 degrees out-of-phase
d. Carrying the same information for redundancy

A

a. Carrying different information and they are 90 degrees out of phase

236
Q

A customer may be a tenant and may not have the power to allow Comcast to install Business Class services, what may be required?

A

An easement

237
Q

A 110 block is used for

A

data

238
Q

What is the benefit of having a VPN?

A
  • Employees of a company use VPNs to connect from a remote location into their office.
  • This can be useful when employees are traveling or are a telecommuter.
239
Q
  1. The four types of maps used in Cable Network design are:
    a. Regional, Local, External, and Internal
    b. Base, Strand, Design, and Amplifier (tree)
    c. Regional, Local, Base, and Strand
    d. Regional, Local, Design, and Tree
A

b. Base, Strand, Design, and Amplifier (tree)

240
Q

Terms may not be fully understood by the customer and could cause problems.

A

Disadvantage of a Contract

241
Q

This is caused in one channel by the carrier from another transmitter operating on the same channel.

A

Co-channel intereference

242
Q

This change in “termination noise” amounts to approximately:

A

0.17 dB per 20 degree Fahrenheit

243
Q

A supporting device for horizontal cables that is shaped like a “J”. It is attached to some building structures. Horizontal cables are laid in the opening formed by the “J” to provide support for the cables.

A

J-hook

244
Q

Any site that can send traffic to any other site, within a customer’s network, through a single Ethernet interface.

A

Any-to-Any Connectivity

246
Q

What are some Common Causes of Return Path Interference?

A
  • Voice of America
  • CB
  • Amateur Radio transmitters
247
Q

Where can you find information on a building’s mechanical and electrical systems?

A
  • Building plans
  • Facilities Management department
  • Physically survey the systems
248
Q

Compared to a 55 MHZ signal, a 550 MHZ signal transmitted through a RG6 cable is attenuated:

a. Twice as much
b. Three times as much
c. Equally
d. Much less

A

b. Three times as much

249
Q

Supervising other CommTechs; performing any complex or difficult tasks that you may be solely qualified to do; interfacing with your supervisor, the customer and vendors are actions you would perform during what step of the Installation Process?

A

Step 4; Perform Actions

250
Q

Dynamic traffic delivery through the Comcast network with up to three different performance levels.

A

Class of Service Aware

251
Q

This is caused in one channel by the carrier from another transmitter operating on the same channel.

A

Co-channel interference

252
Q

In a hotel, this connects directly to the IP3 server via an Ethernet cable.

A

MegaPort Gateway (MPG)

253
Q

what measures how often an error occurs in a given amount of data?

A

BER

254
Q

Funneling Effect refers to:

a. Combining many channels on a cable
b. Summing of signals on the cable return path
c. Steering signal direction at Splitters
d. Steering signals at Taps

A

b. Summing of signals on the cable return path

255
Q

The change in “termination noise” amounts to approximately:

A

0.17 dB per 20 degree Fahrenheit change in temperature.

256
Q

The vertical and horizontal route of the telecommunications cable

A

Pathway

257
Q

This provides the concrete data needed to take corrective action(s) and to improve performance.

A
258
Q

Any enclosed channel designed for holding wires or cables.

A

Raceway

259
Q

Capacitive coupling occurs when:

a. Signals on one wire are transferred to a nearby wire without physical connectivity
b. Electrons on one conductor jump to a nearby conductor
c. The magnetic field around a wire interacts with
d. Wires in close proximity to each other arc

A

a. Signals on one wire are transferred to a nearby wire without physical connectivity

260
Q

A panel (e.g., wood or metal) used for mounting connecting hardware and equipment.

A

Backboard

261
Q

VLAN configurations can be changed within the customer’s network without the need to coordinate with Comcast.

A

VLAN Transparency

262
Q

-Exterior Type-Layout of Mechanical and Electrical Systems

A

Other Site Survey considerations

263
Q

Before you leave the meeting, you must ensure that eacH technician knows the following:

A
  • Next Steps
  • Assignments
  • Responsibilities
  • Completion Date
264
Q

What is the speed of a T1?

A

1.54Mbps

265
Q

While refering to The Learning Cycle, the most support and instruction/feedback is required for which type of co-worker?

A

Disillusioned Beginner

266
Q

What are the features included with Ethernet Dedicated Internet?

A
  • Tailored Bandwidth
  • DNS
  • BGP Routing Protocol (optional)
  • Web Based Reporting
267
Q

What are the features included with Ethernet Private Line?

A
  • Dedicated Connectivity
  • Self heiling site protection
  • Flexible configurations

CCT5 Class 2015 (4 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions