ANSWERS GRADED A+
✔✔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
✔✔What size threaded rod would you typically use in a heavy duty ladder rack
installation? - ✔✔5/8in
✔✔A supplemental bonding network within an ER or data center consisting of a set of
conductors formed into a grid is often associated with what? - ✔✔Access flooring
, ✔✔Which type of anchor requires a hole to be drilled into the floor where the
attachment is to be made? - ✔✔Expansion anchors
✔✔Min seperation from electric motors and transformers? - ✔✔48"
✔✔During which phase of the project would you determine cable labeling
requirements? - ✔✔Pre-construction Phase
✔✔What type of documentation uses the original floor plans and reflects the actual
installed outlet locations, cables, length, and firestopping materials? - ✔✔Record
drawings
✔✔Which project document is used to request clarification, supplemental information, or
approval of material substitutions? - ✔✔RFI
✔✔Comparing design documents to existing conditions, verifying parking access, and
determining the work hours are all examples of what you would learn during - ✔✔A job
start
✔✔T1 - ✔✔Layout of complete building per floor; serving zone boundaries, backbone
distribution systems, and horizontal pathways
✔✔T0 - ✔✔Campus or site plans; exterior pathways and interbuilding systems
✔✔T3 - ✔✔Communication equipment rooms; outlet/connector locations and cable ID
✔✔T4 - ✔✔Typical detail drawings; faceplate labeling; firestopping;
disability/accessibility, guidelines, and safety
✔✔T5 - ✔✔Schedules- cabling and equipment spreadsheets for cutovers
✔✔The top of an extension ladder should extend up to the work area and _________
feet above catworlks or lofts - ✔✔3 feet
✔✔Which document lists all the elements of a project including people and firms
involved, time frames, materials, and testing methods? - ✔✔Scope of work
✔✔What is dispersion? - ✔✔Widening or spreading out of the modes in a light pulse as
it progresses along the optical fiber.
✔✔Light pulses in optical fiber cables are subject to a loss in power as the light pulses
travel along the optical fiber is called - ✔✔Attenuation