STUDY GUIDE QUESTIONS AND
CORRECT ANSWERS
There are four classes of administration of Structure cabling system (SCS) -
CORRECT ANSWERS Class 1 single ER equipment room
Class 2 multiple
telecommunication spaces
Class 3 multiple buildings on campus
Class 4 multiple sites
Endothermic - CORRECT ANSWERS Ability to absorb heat
3 basic types of crosstalk of interest for balaced twisted pair - CORRECT
ANSWERS Near End (NEXT)
Attenuation to crosstalk far end (ACRF)
Alien crosstalk
intumescent - CORRECT ANSWERS Ability to expand heat
Three transmission methods are - CORRECT ANSWERS Simplex
Half duplex
Full duplex
Simplex - CORRECT ANSWERS Transmits signals in one direction
, Half Duplex - CORRECT ANSWERS Transmits signals in either
direction but only One Direction at a time
Direct current (DC) - CORRECT ANSWERS Refers to a study value that
does not change the polarity of the voltage or the direction of the current
Frequency - CORRECT ANSWERS 1 cycle in 1 s = 1 Hz
Full duplex - CORRECT ANSWERS Transmit signals in both directions
at the same time
Capacitance 1 - CORRECT ANSWERS Properties of conductors that
allows storage of electric charges when potential differences (voltage) exist
between the Conductors
Capacitance 2 - CORRECT ANSWERS Causes a voltage difference
between two wires when separated by insulation
Capacitance is measured in - CORRECT ANSWERS Farads
Picofarads is - CORRECT ANSWERS One trillions of a farad
What are 3 types of Bus Bars - CORRECT ANSWERS Primary Bus Bar
(PBB)
Secondary Bus Bar (SBB)
Rack Bus Bar (RBB)