Term
Name the common cable types used today |
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Definition
UTP, STP, and Fiber Optic |
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Term
What unit of measurement is a tenfold logarithmic ratio of power output to power input? |
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Definition
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Term
Name 3 things that can contribute to attenuation. |
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Definition
Conductor Resistance, Mutual Capactitance, Impedence. |
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Term
Name 3 types of crosstalk. |
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Definition
Near end cross talk, Far end Cross Talk, Equal Level Far end cross talk. |
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Term
Name an organization which is part of the US goverment and controls communications. |
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Definition
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Term
What is the National Fire Protection Association responsible for? |
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Definition
to help protect people, property, and the environment from fire damage. |
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Term
A telecommunications room can sometimes be referred to as what? |
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Definition
An enclosed space for housing telecommunications equipment. |
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Term
Backbone cabling includes what? |
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Definition
The physical/electrical interconnections between telecommunications rooms and equipment rooms. |
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Term
What is NOT a network architecture commonly used today? |
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Definition
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Term
Name some characteristic about 10Base-T networking? |
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Definition
max cable length is 100 meters UTP |
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Term
According to the NEC, article 800.100, Primary protectors shall be grounded: |
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Definition
The grounding conductor shall be insulated |
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Term
What is an advantage of knowing and following the electrical and building codes? |
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Definition
To not endanger the lives of building occupants |
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Term
What is generally considered the weakest link in your network setup? |
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Definition
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Term
What is a benefit of a full equipment cabinet? |
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Definition
Physical Security, Cooling, and protection against EMI |
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Term
What are punchdown blocks generally used for? |
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Definition
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Term
What type of tool would be best for adding connectors to twisted-=pair cable? |
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Definition
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Term
What tool would be helpful to run cable through walls? |
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Definition
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Term
What can cable-toning tools be used to test? |
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Definition
For determining if a cable installation has been done properly |
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Term
What is wire-pulling lubricant used for? |
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Definition
To allow cable to slide more easily over surfaces encountered during the cable pull. |
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Term
Which additional tools might be handy to carry with you? |
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Definition
20.) basic screwdrivers, hammer, wrenches, flashlight, drill, saw, pocket knife, tape measure, face mask, stud finder, continuity tester, gloves, step ladder, tool belt, batteries |
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Term
If the tip wire in your pair is white/blue, what color would you expect the ring to be? |
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Definition
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Term
How many pairs of wires are in a binder group? |
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Definition
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Term
Name 3 benefits of coaxial cabling. |
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Definition
high bandwidth, low attenuation, easy to install |
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Term
What is your best practice for obtaining patch cables? |
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Definition
purchase factory made patch cables |
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Term
When pulling cable, what can you do to avoid damaging the cable? |
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Definition
25.) don’t exceed the bend radius, don’t exceed the maximum pulling tension, pull cables evenly, run voice lines to a separate patch panel, don’t twist the cable to tightly, avoid pulling past sources of heat, avoid sharp objects that may snap cables |
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Term
Electromagnetic interference can be prevented by what? |
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Definition
don’t install cables in same panels as electric cables, right angles, run through separate holes, proper separation from electrical devices |
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Term
What is the main difference between fiber-optic and copper media? |
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Definition
FO is immune to EMI, higher data rates, longer distances, more secure |
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Term
What is the main disadvantage of fiber-optic and copper media? |
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Definition
cost, installation is difficult, fragile |
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Term
name the components of fiber-optic cables |
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Definition
strand, buffer, strength members, shielding, outer jacket, coating, cladding, core |
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Term
What is added to fiber-optic cabling to provide additional support? |
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Definition
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Term
What is a fiber rating used for in a fiber-optic cable? |
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Definition
core/cladding, number of fibers, LAN/WAN application |
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Term
What should be considered when installing fiber? |
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Definition
equipment rating, location of cable (inside/outside), termination of fiber |
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Term
What is the most common wall plate mounting in commercial applications? |
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Definition
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Term
When choosing a fixed-design wall plate, what factors should you consider? |
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Definition
34.) whether it is the right type of connector or if there might be a need to change the connector at any time |
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Term
What is an advantage of biscuit jacks? |
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Definition
for those who can’t put a hole in the wall where they want a phone line |
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Term
If you use the wrong type of cable/connector combination, what could happen? |
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Definition
intermittent signal errors |
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Term
What type of tool do you need to attach a BNC connector? |
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Definition
screw on or with a BNC crimper |
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Term
What do you think would be needed in a standard network installation? |
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Definition
cables, tools, switches, routers, testers, time, racks, help |
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Term
What layer of the OSI reference model do routers work on? |
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Definition
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Term
What devices work with infrared transmissions? |
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Definition
remote controls, IrDA ports, Infrared laser devices |
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Term
What is NOT an advantage of infrared? |
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Definition
Line of sight is needed, weather attenuation |
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Term
What is an advantage of RF (radio Frequency)? |
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Definition
no line of sight needed, low cost, flexible |
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Term
What is an advantage of microwave communication communication? |
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Definition
high bandwidth, long distances, point-to-point or broadcast |
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Term
What is an element of a successfull cabling installation? |
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Definition
proper design, quality materials, good workmanship |
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Term
Which of these are not elements of proper design? |
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Definition
inflexible design, low life expectancy, difficult administration, high costs |
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Term
Which of these are carried via toadyas cabling systems? |
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Definition
data, voice, video/television, fire detection and security |
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Term
What considerations need to be made when building a telecommunications room? |
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Definition
LAN wiring, Telecommunications wiring, power requirements, HVAC considerations |
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Term
What would be a common cabling installation procedure? |
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Definition
design cabling system, schedule installation, Install cables, terminate cables, test installation |
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Term
What would be an example of a makeshift tool? |
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Definition
tennis ball, bailing wire |
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Term
What should be included in cabling system documentation? |
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Definition
documentation of new cabling system, components that make up the system, how it is put together, where to find individual wires, pictures |
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