ANSWERS GRADED A+
✔✔Class 1 - ✔✔Single building with one equipment room
✔✔Class 2 - ✔✔Single building with multiple telecom spaces
✔✔Class 3 - ✔✔Multiple buildings on a single campus
✔✔Class 4 - ✔✔Multiple sites with multiple buildings
✔✔Labels - ✔✔Consist of face stock material
✔✔Tags - ✔✔Attached to the mounting surface
✔✔Electronic identifieres - ✔✔Prevent potential intruders from identifying the location of
key components
✔✔What is the minimum bend radius for a 50 mm (2in) conduit? - ✔✔12 inches
✔✔When installing optical fiber, consider placing three innerducts in a 103mm (4 trade
size) conduit with the following sizes: - ✔✔two 38 mm (1.5in), one 25mm (1in)
✔✔Open top cable supports should be installed to provide a minimum of
________________ clearance above ceilings - ✔✔3 inches
✔✔PBB - ✔✔dedicated extension of the building ac grounding (earthing) electrode
system for the telecom bonding infrastructures
✔✔TBC - ✔✔bonds the electrical systems grounding (earthing) electrode system to the
PBB
✔✔TBB - ✔✔interconnects the PBB to the SBB
✔✔BBC - ✔✔used to equalize potentials between SBBs on the same floor of a
structure.
✔✔Which is better for an "L" rating? High or Low Numbers - ✔✔Low
✔✔F rating- how many hours - ✔✔1-4 Hrs
✔✔T rating- how many hours - ✔✔0-3 Hrs
, ✔✔Electric motors and transformers - ✔✔48"
✔✔Fluorescent Lamps - ✔✔6"
✔✔Arc Welders - ✔✔31.5"
✔✔Frequency Induction Heating - ✔✔39"
✔✔Which OLTS testing method stimulates the loss of two mated pairs and an installed
optical fiber link? - ✔✔One jumper method
✔✔What can cause a gain splice on an OTDR trace? - ✔✔Mismatch in the fibers
✔✔ L Rating - ✔✔A firestops ability to provide a smoke stop. (air leakage rate)
✔✔To avoid damaging cable jacket, how often must you securely fasten electrical
nonmetallic tubing (ENT) - ✔✔3 Feet so it does not damage the cable
✔✔What is the minimum dedicated power requirement of a telecommunications
enclosure - ✔✔120 V ac/20
✔✔The clearance behind the PBB when mounted, should be no less than- - ✔✔2inch
clearance behind the PBB when mounted
✔✔When installing a plywood backboard, you should use galvanized screws that are a
minimum of ______ longer than the depth of the wall covering, including the plywood -
✔✔0.5in
✔✔The use of under carpet telecommunications cable should be limited to: - ✔✔The
interconnection point between horizontal cabling and UTC is a transition point (TP)
✔✔Two 90-degree bends are allowed in any one conduit segment. A third bend may be
acceptable under certain situations - ✔✔Runs under 33 feet
✔✔When installing racks and cabinets on an access floor, what should they be secured
to? - ✔✔The frame
✔✔When placing cabinets on an access floor, how should the cabinets be aligned? -
✔✔One edge flush with the floor tile cut line
✔✔What is a telecommunications enclosure TE used for? - ✔✔May be used to provide
a suitable option for moves, adds, and changes without compromising infection control
measures and other restrictions