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Nt 1310 Final Review

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