Attenuation - ANSWER-The Decrease in magnitude or power loss of a signal.
Decibels, dB - ANSWER-Unit of measurement for attenuation.
American Wire
... [Show More] Gauge (AWG) - ANSWER-The numerical system for designating wire diameter.
inverse relationship - ANSWER-American Wire Gauge numbers have this relationship to the wire size.
Balanced Twisted-Pair - ANSWER-Type of wiring in which 2 conductors of a single circuit are twisted together in order to minimize EMI
V=I*R - ANSWER-The formula relation between Voltage, impedance, and resistance.
Capacitance - ANSWER-Measured in Farads, causes a voltage difference between two wires when they are separated by insulation
Durability - ANSWER-Connector's ability to survive hundreds of insertions and withdrawls
Impedance - ANSWER-Combined effects of resistance, inductive reactance, and capacitive reactance of a circuit. (Z)
STP (shielded) and UTP (Unshielded) - ANSWER-The two types of Balanced Twisted Pair cable
100 Ohms at 100 MHz - ANSWER-Nominal characteristic impedance of balanced Twisted-pair cables
100 MHz - ANSWER-Cat 5e UTP has transmission characteristics up to:
Crosstalk - ANSWER-The unwanted transfer of a signal's electromagnetic energy from one or more circuits to other circuits
Shielded, Unshielded, and Cat 7a - ANSWER-The three types of balanced twisted-pair modular connectors
TIA-568A and TIA-568B - ANSWER-The two standards-compliant wiring schemes for 8P8C modular connectors
X - ANSWER-The designation used for a multi-line connector
Serial-11 - ANSWER-Coaxial Cable type used in video backbone distribution
75 Ohms - ANSWER-The characteristic impedance of a series-6 Coaxial Cable
F-type Connector - ANSWER-Type of Coaxial connector that cannot be used with stranded center conductor
Screw-on - ANSWER-Type of BNC connector that is NOT recommended for any installation
Code - ANSWER-The purpose of ___ is to ensure the safety during the installation and use of materials, components, fixtures, systems, premises, and related subjects
Standard - ANSWER-The purpose of ___ is to improve the quality, function, performance, repeatability or some other facet of an item
ANSI/TIA-568.0 - ANSWER-This ANSI/TIA standard is the foundation for premise telecommunication cabling infrastructure; enables the planning and installation of a structured cabling system for all types of customer premises
ANSI/TIA-606 - ANSWER-This ANSI/TIA standard contains administrative information, such as labeling requirements and recommendations for the components of a structured cabling system
ANSI/TIA-607 - ANSWER-This ANSI/TIA standard provides recommendations and requirements related to Bonding and Grounding
First Level Backbone - ANSWER-This level of Backbone cabling is between the MC and the IC
First Level Backbone - ANSWER-This level of Backbone cabling is between the MC and the HC or IC
Second Level Backbone - ANSWER-This level of Backbone cabling is between the IC and the HC
To distribute signal from the Horizontal Cross-connect in the TR to the work area - ANSWER-This is the purpose of horizontal Cabling
2 Cables - ANSWER-This is the minimum number of cables to be installed/ran to each work area
Orange - ANSWER-This color is used to denote a cable demarcation point
Green - ANSWER-This color is used to denote Network connections
Purple - ANSWER-This color is used to denote Common Equipment
White - ANSWER-This color is used to denote first-level backbone cabling
Gray - ANSWER-This color is used to denote second-level backbone cabling
Blue - ANSWER-This color is used to denote Horizontal Cabling
Brown - ANSWER-This color is used to denote Inter-Building backbone cabling
Yellow - ANSWER-This color is used to denote misc. systems, like alarm circuits
Red - ANSWER-This color is used to denote systems reserved for future used
5m (16.5ft) - ANSWER-This is the maximum length of both equipment cords and patch cables
Undercarpet Cable - ANSWER-This type of cable is not recommended
Class 2 - ANSWER-A single building with multiple telecommunication spaces would be part of this administration class
A Consolidation Point (CP) - ANSWER-The purpose of ___ is to allow horizontal cabling to be extended from building pathways into work area furniture pathways or modular wall partitions to the equipment outlet
Class 1 - ANSWER-A single building with one ER would be part of this administration class
Class 4 - ANSWER-Multiple sites/campuses with multiple buildings would be part of this administration class
Class 3 - ANSWER-A single site/campus with multiple buildings would be part of this administration class
Demarcation Point - ANSWER-This is where the service provided relinquishes circuit responsibility to the customer
Entrance Facility (EF) - ANSWER-This is where outside plant (OSP) cables enter a building
Underground - ANSWER-The most economical permanent entrance type over the lifecycle of a building.
Aerial - ANSWER-This service entrance has the lowest installation cost.
Telecommunications Room (TR) - ANSWER-This is a telecommunications space that provides a controlled environment for the telecom equipment, connecting hardware, and splice closures
Computer Room - ANSWER-This is the core part of the data center that contains IT equipment for data processing and provides the equipment it's proper operational environment
PAN (Personal Area Network) - ANSWER-This network type could consist of a very small, bluetooth network, used by a single person.
LAN (Local Area Network) - ANSWER-This type of network could be in a single household
CAN (Campus Area Network) - ANSWER-This type of network would include a single site with multiple buildings
MAN (Metropolitan Area Network) - ANSWER-This type of network would cover an entire city
WAN (Wide Area Network) - ANSWER-This type of network could cover a very large geographical area, such as the worldwideweb
Server - ANSWER-This device manages one or more resources shared by workstation users and administrators on a network
Router - ANSWER-This is a network component that makes it possible to segment a network into multiple broadcast domains
Network Software - ANSWER-This is used to transform a standalone computer into a network station
Server - ANSWER-This device is equipped with features not commonly found on desktop computers
Workstation - ANSWER-This device is used to access a network
Router - ANSWER-This device is a combination of hardware and software
Router - ANSWER-This device segments an organizational network into multiple broadcast domains
Workstation - ANSWER-This device provides the user with the necessary interfaces for input and display
Switch - ANSWER-This device provides network access and a centralized point for LAN communications
Server - ANSWER-This device can manage multiple types of resources, or it can be dedicated to a single activity
Router - ANSWER-This device is affiliated with subnetworks/subnets
Switch - ANSWER-This device provides dedicated network connection via a port
Workstation - ANSWER-This type of station can be local or remote
UPS and batteries - ANSWER-The two most common methods to back up a network
Installers - ANSWER-Who is responsible for knowing their companies safety policies and practices, and following them?
Survey the scene - ANSWER-This is the first step you should take when responding to a potential emergency situation
Airway, Breathing, Circulation - ANSWER-When surveying a victim, what does ABC stand for?
Repeat each message back to the sender and wait for confirmation before acting on the message - ANSWER-When work is being performed in two different locations, in order to ensure important safety information is being received correctly, all workers communicating should do this:
Nonconductive ladder (fiberglass/wood) - ANSWER-This type of ladder should be used when working near electrical equipment
4. The distance away should be 1/4 the height of the ladder. - ANSWER-To find the distance the base of an extension ladder should be placed away from the vertical surface it is positioned against, you should divide the vertical height the ladder is placed at by:
Occupational Safety and Health Administration (OSHA) - ANSWER-OSHA is in acronym for:
Falling or flying objects, electrical shock, and a blow to the head - ANSWER-Hard hats primarily protect the wearer from 3 things:
A full-body harness with at least 1 lanyard attached - ANSWER-When operating a boom lift, installers should wear this to prevent falls
Metal jewelry or metal watchbands. They increase the risk of getting caught and they pose electrical hazards - ANSWER-What should you not wear when working near ICT circuits or equipment, and why?
RACE: Rescue, alarm, contain, extinguish - ANSWER-These are the four steps you should take when responding to an electrical fire
Baking Soda - ANSWER-This common item should be used to neutralize a battery Acid spill
Notify other workers
Open Windows
Restrict Airflow to other areas
Blow toxic air directly outdoors- take care not to send into an office next door
Blow fresh air into work area (ventilate)
Take frequent breaks - ANSWER-What are the Six actions you should take when you work indoors with a product that produces toxic or flammable vapors?
Conduct baseline work surveys
Analyze planned and new facilities
Perform hazard analysis
Conduct task risk assessments
Conduct regular site safety inspections
Provide a reliable system of problem notification
Investigate accidents and incidents promptly
Analyze trends over time to detect patterns - ANSWER-These measures can be used for identifying existing and potential work hazards
Prepare one yourself and get it approved before beginning work - ANSWER-If the layout of an ER is not provided, you should do this.
Minimum of 2 walls. Install around the Entire perimeter if possible. - ANSWER-How many walls in a TR should have fire-retardent plywood installed on them?
3/4 of an inch - ANSWER-In a TR, Fire-retardant plywood should be this thick.
A/C, with the A-grade facing into the room. - ANSWER-The plywood installed in a TR should be what grade at a minimum?
C Grade - ANSWER-What Plywood grade has some blemishes and an occasional small knothole?
8 in. AFF - ANSWER-You should install the plywood backboard this far Above the Finished Floor in a TR.
Toggle Bolts, 2in from the edges. - ANSWER-When installing plywood in a TR, if the edges do not align with the wall studs, you should attach it to the wall with:
45mm or 1.75 in - ANSWER-One RU (Rack Unit) takes up this much vertical space
6 AWG Green insulated Ground Wire - ANSWER-This is the minimum AWG of ground wire recommended to bond cabinets and racks
2 inches - ANSWER-There should be this much clearance between the bottom of the access floor and the top of the cable tray
335 sqm (3606 sqft) - ANSWER-This is the largest area a TE should serve
Building seismic and electrical code requirements will be met
Accommodates future retrofits and new technologies
Can be a component of EMI protection - ANSWER-Three benefits to having proper cable supports in telecom pathways and spaces are:
3 - ANSWER-The maximum number of 90 degree bends between two pull points that are 9m (30 ft) apart.
35mm or 1-1/4 trade size - ANSWER-A hand bender can be used to bend conduits up to this diameter
6 times - ANSWER-The minimum bend radius for conduit is how many times the diameter?
3 inches - ANSWER-Open-top cable supports should be installed with a minimum of ___ clearance above false ceilings
Start at the top left side, working towards the bottom right - ANSWER-When installing D-rings on plywood in a TR, You should start:
1. Establish a 0 volt reference for electrical systems
2. Provide a path for dissipation of currents from lighting or accidental contact with higher-voltage systems
3. Provide a path for the dissipation of electrostatic discharge (ESD) - ANSWER-This is the purpose of the AC grounding electrode system
Provide a bonding connection for telecommunication systems and equipment in the area served by a Telecommunications space - ANSWER-The purpose of an SBB
Bonds the electrical systems grounding electrode to the PBB - ANSWER-The purpose of the TBC
Exothermic weld, direct crimp, or a two-hole lug (compression or exothermic type) - ANSWER-This type of connection attaches the TEBC to the PBB/SBB
Top floor and every third floor - ANSWER-When placing BBC(backbone bonding conductor) in multistory buildings, place them on these floors:
6 AWG - ANSWER-This is the recommended gauge for a BBC(backbone bonding conductor)
Loose Connections
Corrosion
Physical Damage
System modifications - ANSWER-These are the problems that should be spotted with a visual inspection
0.1 Ohms (100 milliohms) - ANSWER-This is the maximum allowable resistance between the grounding electrode and the PBB/SBBs
Electrical power faults and lightning - ANSWER-A primary Protector is required when a circuit is exposed to:
Immediately adjacent to the exposed cable's point of entry - ANSWER-What is the recommended location for a Primary Protector to be installed in a circuit?
Sneak Currents - ANSWER-Secondary Protectors are installed to protect against:
ANSI/TIA-607
NEC articles 250 and 800 - ANSWER-Grounding and Bonding specifications are found in this ANSI standard and these NEC articles
From top to bottom - ANSWER-This is the preferred directional method for installing vertical backbone cable
Set up cones, signs, barricades and caution tape
Place caution tape across the entrance of the work area to restrict access to unauthorized personnel
Notify appropriate personnel that work is beginning - ANSWER-When securing a worksite before pulling cable, you should:
a Swivel - ANSWER-In order to minimize the twisting of cables and them wrapping around themselves during a pull, you should install this: [Show Less]