FOA CFOT TERMS AND DEFINITIONS A THRU Z
QUIZZES WITH RIGHT ANSWERS 2025 - 2026
Watts,,ANS,-,What,is,a,linear,measure,of,optical,power?
Wavelength,,ANS,-
,What,is,the,measure,of,the,color,of,light,,usually,expressed,in,nanometeres,(nm),or,microns,(*m)?
Wavelength,Division,Multiplexing,(WDM),,ANS,-
,What,do,you,call,a,technique,of,sending,signals,of,several,different,wavelengths,of,light,into,the,fiber,sim
ultaneously?
Working,Margin,,ANS,-
,The,difference,(in,dB),between,the,power,budget,and,the,loss,budget,(i.e.,the,excess,power,margin),is,kn
own,as,what?
Visual,Fault,Locator,(VFL),,ANS,-
,A,device,that,couples,visible,light,into,the,fiber,to,allow,visual,tracing,and,testing,of,continuity.
Vertical,Cavity,Surface,Emitting,Laser,(VCSEL),,ANS,-
,A,type,of,laser,that,emits,light,vertically,out,of,the,chip,,not,out,of,the,edge,,and,is,widely,used,in,fast,mult
imode,networks.
Transmitter,,ANS,-
,A,device,which,includes,an,LED,or,laser,source,and,signal,conditioning,electronics,that,is,used,to,inject,a,si
gnal,into,fiber.
Total,internal,reflection,,ANS,-,Confinement,of,light,into,the,core,of,a,fiber,by,the,reflection,off,the,core-
cladding,boundary.
Test,source,,ANS,-
,A,laser,diode,or,LED,used,to,inject,an,optical,signal,into,fiber,for,testing,loss,of,the,fiber,or,other,compone
nts.
, Test,kit,,ANS,-
,A,kit,of,fiber,optic,instruments,,incl.,power,meter,,source,and,test,accessories,(to,measure,loss,and,powe
r)
Test,cable,,ANS,-
,A,short,single,fiber,jumper,cable,with,connectors,on,both,ends.,This,cable,must,be,made,of,fiber,and,con
nectors,of,matching,type...
Termination,,ANS,-
,The,preparation,of,the,end,of,a,fiber,to,allow,connection,to,another,fiber,or,active,device.
Talkset,,ANS,-,A,communication,device,that,allows,conversation,over,unused,fibers.
Surface,emitter,LED,,ANS,-
,LED,that,emits,light,perpendicular,to,the,semiconductor,chip.,Most,LEDs,used,in,data,communications,ar
e,this,type.
Step,index,fiber,,ANS,-,This,is,a,multimode,fiber,where,the,core,is,all,the,same,index,of,refraction.
Steady,State,Modal,Distribution,,ANS,-
,Equilibrium,modal,distribution,(EMD),in,multimode,fiber,(achieved,some,distance,from,the,source),wher
e,the,relative,power,in,the,modes,becomes,stable,with,increasing,distance.
Splitting,Ratio,,ANS,-,The,distribution,of,power,among,the,output,fibers,of,a,coupler.
Splice,(fusion,or,mechanical),,ANS,-
,A,device,that,provides,for,a,permanent,connection,between,two,fibers.
Source,,ANS,-,A,laser,diode,or,LED,used,to,inject,an,optical,signal,into,fiber
QUIZZES WITH RIGHT ANSWERS 2025 - 2026
Watts,,ANS,-,What,is,a,linear,measure,of,optical,power?
Wavelength,,ANS,-
,What,is,the,measure,of,the,color,of,light,,usually,expressed,in,nanometeres,(nm),or,microns,(*m)?
Wavelength,Division,Multiplexing,(WDM),,ANS,-
,What,do,you,call,a,technique,of,sending,signals,of,several,different,wavelengths,of,light,into,the,fiber,sim
ultaneously?
Working,Margin,,ANS,-
,The,difference,(in,dB),between,the,power,budget,and,the,loss,budget,(i.e.,the,excess,power,margin),is,kn
own,as,what?
Visual,Fault,Locator,(VFL),,ANS,-
,A,device,that,couples,visible,light,into,the,fiber,to,allow,visual,tracing,and,testing,of,continuity.
Vertical,Cavity,Surface,Emitting,Laser,(VCSEL),,ANS,-
,A,type,of,laser,that,emits,light,vertically,out,of,the,chip,,not,out,of,the,edge,,and,is,widely,used,in,fast,mult
imode,networks.
Transmitter,,ANS,-
,A,device,which,includes,an,LED,or,laser,source,and,signal,conditioning,electronics,that,is,used,to,inject,a,si
gnal,into,fiber.
Total,internal,reflection,,ANS,-,Confinement,of,light,into,the,core,of,a,fiber,by,the,reflection,off,the,core-
cladding,boundary.
Test,source,,ANS,-
,A,laser,diode,or,LED,used,to,inject,an,optical,signal,into,fiber,for,testing,loss,of,the,fiber,or,other,compone
nts.
, Test,kit,,ANS,-
,A,kit,of,fiber,optic,instruments,,incl.,power,meter,,source,and,test,accessories,(to,measure,loss,and,powe
r)
Test,cable,,ANS,-
,A,short,single,fiber,jumper,cable,with,connectors,on,both,ends.,This,cable,must,be,made,of,fiber,and,con
nectors,of,matching,type...
Termination,,ANS,-
,The,preparation,of,the,end,of,a,fiber,to,allow,connection,to,another,fiber,or,active,device.
Talkset,,ANS,-,A,communication,device,that,allows,conversation,over,unused,fibers.
Surface,emitter,LED,,ANS,-
,LED,that,emits,light,perpendicular,to,the,semiconductor,chip.,Most,LEDs,used,in,data,communications,ar
e,this,type.
Step,index,fiber,,ANS,-,This,is,a,multimode,fiber,where,the,core,is,all,the,same,index,of,refraction.
Steady,State,Modal,Distribution,,ANS,-
,Equilibrium,modal,distribution,(EMD),in,multimode,fiber,(achieved,some,distance,from,the,source),wher
e,the,relative,power,in,the,modes,becomes,stable,with,increasing,distance.
Splitting,Ratio,,ANS,-,The,distribution,of,power,among,the,output,fibers,of,a,coupler.
Splice,(fusion,or,mechanical),,ANS,-
,A,device,that,provides,for,a,permanent,connection,between,two,fibers.
Source,,ANS,-,A,laser,diode,or,LED,used,to,inject,an,optical,signal,into,fiber
