Download Fiber Optic Cabling and Networking Fundamentals and more Exams Nursing in PDF only on Docsity!
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Any connector with a FOCIS standards document - Correct Answers ✅Which fiber optic connector may be used according to the EIA/TIA 568 cabling standard? The Performance level of unshielded twisted pair cable - Correct Answers ✅What UTP Cat 3, Cat 5e, and Cat 6 or Class D, E, and F rating indicate? 66 Punchdown blocks - Correct Answers ✅Commerical phone systems (not VoIP but POTS) traditionally use multipair UTP cables for backbone connections with _running_____used in the telecom closet for connections to horizontal cables running to the desktop. Gigabet Ethernet - Correct Answers ✅TIA Cat 5e or "enhanced Cat 5' cable or ISO/IEC Class D cable was introduced to support the needs of what the computer network? 100 MHz - Correct Answers ✅For certifying Cat 5e/Class D Performance, installed cables are tested at ________. 250 MHz - Correct Answers ✅Category 6/Class E cabling is specified and must be tested during certification to _______MHz.
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All of these - Correct Answers ✅A copper time domain reflectometer (TDR) can be used to find_________. Keep the pairs twisted to within 1/2 inch of the termination - Correct Answers ✅When terminating Cat5e/6 or Class D/E UTP cabling, what must be remembered to maintain the performance of the installed cable? Bix block - Correct Answers ✅Which punchdown block is more often used with multipair cables for POTS (plain old telephone service) connections? True - Correct Answers ✅Standards are written by manufacturers as minimum specifications to ensure interoperability among various manufacturer's products. True - Correct Answers ✅While video surveillance systems traditionally used coax cable, they can use UTP in a structured cabling system or fiber optics also. False - Correct Answers ✅Gigabit and faster networks only work fiber optics.
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90 meters (293ft) - Correct Answers ✅What is maximum length of a permanently installed UTP cabling link allowed in structured cabling standards (the permanent link)? 10 meters - Correct Answers ✅TIA/EIA 568 and ISO/IEC 11801 standards specify the total length of UTP patchcords in a channel to be less than______. Cat 5/Class D - Correct Answers ✅If you use a Cat 5/ Class D UTP patchcord on newer Cat 6/Class E cable plant, the link performance will typically meet_____specs. Hook and loop cable ties - Correct Answers ✅At patchpanels,______should be used to bundle patchcords for neatness to ensure no damage to the cables. Insulation displacement terminations in the connecting block - Correct Answers ✅What actually makes the electrical connection with the wires in a 110 block? No - Correct Answers ✅Does a jack have the same color code for the pairs as a punchdown block?
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Reversal of pairs 2 and 3 - Correct Answers ✅The difference between the termination schemes of T568A and T568B is_______? Insulation-displacement - Correct Answers ✅A crimp-connector like the UTP modular connector is also called a______connector. Access point - Correct Answers ✅Wireless networks require cables to connect the_____to the network. Use cable lubricant - Correct Answers ✅If you pulling a cable in long conduit and encounter resistance, you should________. Drop the cable down instead of pulling them up - Correct Answers ✅When installing cables vertically in risers, you can install cables more easily if you_________. Punchdown tool with 110 blade - Correct Answers ✅What UTP installation tool is needed for termination most jacks? Optical power meter - Correct Answers ✅Insertion loss or the reduction in optical power as light passes through a fiber optic cable plant is tested with a_______.
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ceilings where the temperature may get hotter than normal offices,_________. TIA-568 - Correct Answers ✅What is primary US standard for structured cabling? ISO-11801 - Correct Answers ✅What is primary international standard for structured cabling? Prevent electromagnetic interference - Correct Answers ✅In an industrial environment, fiber is most often used to________. Telecom closets (rooms) with power, grounding and AC for hubs and switches - Correct Answers ✅The biggest cost factor in a UTP copper network that is unnecessary in a centralized fiber network is the_____________. Has more distance capability with gigabit (and above) network which use laser sources - Correct Answers ✅OM2 or OM3 optical fiber with a 50/125 micron core has become the most popular option in multimode cabling systems because it__________. Hybrid - Correct Answers ✅A cable that contains both singlemode and multimode fiber is called a ____________cable.
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Horizontal cabling - Correct Answers ✅What is the cable form telecom closet (room) to the work outlet called? Backbone cabling - Correct Answers ✅What is the cabling from the telecom closet to the main cross connect or computer center called? Singlemode and multimode fiber optic cable - Correct Answers ✅What other cables are recognized in the TIA-568 commercial structured cabling standards? The aramid strength members inside the cable - Correct Answers ✅Fiber optic cable should be pulled by__________. Can harm cables if too tight, so they should be hand-tightened snugly - Correct Answers ✅Cable ties used on category-rated UTP or fiber optic cables____________. Proper documentation - Correct Answers ✅__________will facilitate installation, allow better planning for upgrades and simplify testing on any cabling system.
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Visual inspection with microscope, Testing for inspection loss with an optical loss test set, Confirming connector polarization - a fiber must always go from a transmitter to a receiver: All of the above - Correct Answers ✅Fiber optic cables and their connectors should be verified by__________. Not recommended since cables are generally too short - Correct Answers ✅Test premises cables with an OTDR (optical time domain reflectormeter) is_____________. Plenum-rated (OFNP, optical fiber nonconductive plenum) - Correct Answers ✅Which of these fiber optic cable types may be installed in air handling areas in a building?(US cable types listed) Fiber size and connector type - Correct Answers ✅Reference cable for fiber optic testing must match the__________ of the cable being tested. Light source and power meter or optical loss test set (LSPM or OLTS) - Correct Answers ✅Prior to customer acceptance or system turn- up,__________ is used to test the fiber optic cable to plant ensure it is within the loss budget.
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OFSTP-14 or ISO/IEC 61280 (multimode) - Correct Answers ✅The industry standard method for testing an installed multimode fiber optic cable plant described in__________. Excess loss when coupling from 62.5/125 to 50/125 fiber - Correct Answers ✅Mixing 50/125 micron fiber with 62.5/125 fiber can cause__________. Other wireless networks, Remote controls like door openers, and moving objects: All of the above - Correct Answers ✅Potential sources of interference for wireless LANS include___________. 75 Ohm coax - Correct Answers ✅Video system like CATV or CCTV are traditionally designed to operate over___________ cable. Blue, Orange, Green, Brown - Correct Answers ✅The color code for each pair in a 4-pair UTP cable WiFi - Correct Answers ✅The common IEEE 802.11 wireless LAN is also called. Structure cabling (Cat 5e or fiber) - Correct Answers ✅Most wireless antennas connect to the network by______________.
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Hub or Switch - Correct Answers ✅The electronic box that connects the backbone cabling to all the horizontal cables, enabling any PC to talk yo any other. Access Point - Correct Answers ✅Antenna for WiFi connected to network on cabling. Router - Correct Answers ✅A smart switch that connects to the premises network to the outside world. Power over Ethernet (POE) - Correct Answers ✅The Ethernet standard for powering devices from the pairs in a 4-pair UTP cable used for LAN connection. Media Converter - Correct Answers ✅Device that allows mixing cable types, e.g. copper to fiber. Punch-down block - Correct Answers ✅A connection block incorporating insulation displacement connections for interconnecting copper wires with a special insertion tool. 66 block (Network) - Correct Answers ✅Punchdown block from AT&T 66 Cross Connect System.
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110 block (POTS) Plain old telephone services - Correct Answers ✅Punchdown block from AT&T 110 Cross Connect System. Core - Correct Answers ✅This part is smaller in singlemode fiber than multimode fiber Cladding - Correct Answers ✅This part traps light causing total internal reflection Primary buffer coating - Correct Answers ✅This is the part you strip for splicing or terminating Cable verifier - Correct Answers ✅Test cables for proper transmission of network signals. Wire mapper - Correct Answers ✅Test cables for connect pair connections. Cable certifier - Correct Answers ✅Test cables for performance required by standards.
