Questions with Correct Answers 2025
There are four classes of administration of Structure cabling system (SCS) - CORRECT ANSWER -
Class 1 single ER equipment room
Class 2 multiple
telecommunication spaces
Class 3 multiple buildings on campus
Class 4 multiple sites
Endothermic - CORRECT ANSWER -Ability to absorb heat
3 basic types of crosstalk of interest for balaced twisted pair - CORRECT ANSWER -
Near End (NEXT)
Attenuation to crosstalk far end (ACRF)
Alien crosstalk
intumescent - CORRECT ANSWER -Ability to expand heat
Three transmission methods are - CORRECT ANSWER -Simplex
Half duplex
Full duplex
Simplex - CORRECT ANSWER -Transmits signals in one direction
, Half Duplex - CORRECT ANSWER -
Transmits signals in either direction but only One Direction at a time
Direct current (DC) - CORRECT ANSWER -
Refers to a study value that does not change the polarity of the voltage or the direction of the
current
Frequency - CORRECT ANSWER -1 cycle in 1 s = 1 Hz
Full duplex - CORRECT ANSWER -Transmit signals in both directions at the same time
Capacitance 1 - CORRECT ANSWER -
Properties of conductors that allows storage of electric charges when potential differences (vol
tage) exist between the Conductors
Capacitance 2 - CORRECT ANSWER -
Causes a voltage difference between two wires when separated by insulation
Capacitance is measured in - CORRECT ANSWER -Farads
Picofarads is - CORRECT ANSWER -One trillions of a farad
What are 3 types of Bus Bars - CORRECT ANSWER -Primary Bus Bar (PBB)
Secondary Bus Bar (SBB)
Rack Bus Bar (RBB)