FOA CFOT CERTIFICATION EXAM V11
QUESTIONS AND ANSWERS UPDATED
2025 - 2026
A,fiber,optic,inspection,microscope,can,increase,the,danger,of,high,powered,light,sources,by,focusing,the,
light,coming,out,of,a,fiber,into,your,eye.,True,or,False?,,ANS,-,True
A,fiber,optic,power,meter,measures,absolute,power,in,dBM,(dB,referenced,to,1,mw),and,,when,used,with
,a,light,source,,can,measure,insertion,loss,expressed,in,dB.,True,or,False?,,ANS,-,True
When,we,say,62.5/125,fiber,,what,does,"62.5",mean?,,ANS,-,core,size,,the,diameter,in,microns
When,we,say,50/125,fiber,,what,does,"125",mean?,,ANS,-,cladding,size,,the,diameter,in,microns
OM3,and,OM4,multimode,fiber,with,a,50/125,micron,core,are,now,a,popular,option,in,premises,cabling,s
ystems,because,they,_____.,,ANS,-
,Are,"laser,optimized",which,gives,more,distance,capability,with,gigabit,networks,using,laser,sources
In-
multimode,fiber,,the,attenuation,(reduction,in,optical,power),of,the,fiber,is,_____,at,850,nm,than,at,1300,
nm.,,ANS,-,Higher
Which,of,the,following,represents,a,singlemode,(smaller,core,size),fiber,size?,,ANS,-,9/125,micron
Singlemode,fiber,has,_____,bandwidth,than,multimode,fiber.,,ANS,-,greater
Most,plastic,optical,fibers,are,_____.,,ANS,-,large,core,step-index
When,you,strip,singlemode,or,graded,index,multimode,mode,glass,fiber,,you,are,removing,the,____.,,ANS
,-,Primary,buffer,coating
, The,proper,method,of,pulling,optical,fiber,cables,is,to,attach,the,pull,wire,or,tape,to,the,____,of,the,cable.,
,ANS,-,Strength,members
According,to,the,references,,hybrid,cables,are,cables,that,contain,____.,,ANS,-
,Both,singelmode,and,multimode,optical,fibers
What,type,of,fiber,cable,design,allows,for,large,numbers,of,fibers,with,ultra-
high,density,,small,size,(diameter),and,lower,cost?,,ANS,-,ribbon
According,to,the,references,,composite,cables,refer,to,cables,that,contain,____>,,ANS,-
,both,optical,fibers,and,copper,conductors
Which,optical,fiber,cables,must,be,grounded?,,ANS,-,all,cables,that,contain,metallic,elements
Fiber,optic,cable,for,use,inside,a,building,must,_______.,,ANS,-
,Be,rated,to,meet,the,requirements,of,local,building,and,fire,codes
Optical,fiber,cable,with,a,orange,colored,jacket,generally,indicates,the,cable,contains,_____.,,ANS,-
,Multimode,fiber
Premises,cable,jackets,are,usually,color-coded,in,what,color,to,indicate,singlemode,fiber?,,ANS,-,Yellow
Premises,cable,jackets,are,usually,color-coded,in,what,color,to,indicate,laser-
optimized,50/125,OM3,or,OM4,fiber?,,ANS,-,Aqua
When,pulling,long,lengths,of,cable,in,conduit,or,innerduct,,you,may,need,to,____.,,ANS,-
,Any,or,all,of,these,as,appropriate,(Pull,form,the,center,to,the,ends,,Use,a,breakaway,swivel,or,monitor,te
nsion,,Lubricate,the,cable)
In,a,loose,tube,cable,,a,gel,or,absorbent,tape,or,powder,is,normally,used,_____.,,ANS,-
,To,prevent,water,from,entering,the,cable
QUESTIONS AND ANSWERS UPDATED
2025 - 2026
A,fiber,optic,inspection,microscope,can,increase,the,danger,of,high,powered,light,sources,by,focusing,the,
light,coming,out,of,a,fiber,into,your,eye.,True,or,False?,,ANS,-,True
A,fiber,optic,power,meter,measures,absolute,power,in,dBM,(dB,referenced,to,1,mw),and,,when,used,with
,a,light,source,,can,measure,insertion,loss,expressed,in,dB.,True,or,False?,,ANS,-,True
When,we,say,62.5/125,fiber,,what,does,"62.5",mean?,,ANS,-,core,size,,the,diameter,in,microns
When,we,say,50/125,fiber,,what,does,"125",mean?,,ANS,-,cladding,size,,the,diameter,in,microns
OM3,and,OM4,multimode,fiber,with,a,50/125,micron,core,are,now,a,popular,option,in,premises,cabling,s
ystems,because,they,_____.,,ANS,-
,Are,"laser,optimized",which,gives,more,distance,capability,with,gigabit,networks,using,laser,sources
In-
multimode,fiber,,the,attenuation,(reduction,in,optical,power),of,the,fiber,is,_____,at,850,nm,than,at,1300,
nm.,,ANS,-,Higher
Which,of,the,following,represents,a,singlemode,(smaller,core,size),fiber,size?,,ANS,-,9/125,micron
Singlemode,fiber,has,_____,bandwidth,than,multimode,fiber.,,ANS,-,greater
Most,plastic,optical,fibers,are,_____.,,ANS,-,large,core,step-index
When,you,strip,singlemode,or,graded,index,multimode,mode,glass,fiber,,you,are,removing,the,____.,,ANS
,-,Primary,buffer,coating
, The,proper,method,of,pulling,optical,fiber,cables,is,to,attach,the,pull,wire,or,tape,to,the,____,of,the,cable.,
,ANS,-,Strength,members
According,to,the,references,,hybrid,cables,are,cables,that,contain,____.,,ANS,-
,Both,singelmode,and,multimode,optical,fibers
What,type,of,fiber,cable,design,allows,for,large,numbers,of,fibers,with,ultra-
high,density,,small,size,(diameter),and,lower,cost?,,ANS,-,ribbon
According,to,the,references,,composite,cables,refer,to,cables,that,contain,____>,,ANS,-
,both,optical,fibers,and,copper,conductors
Which,optical,fiber,cables,must,be,grounded?,,ANS,-,all,cables,that,contain,metallic,elements
Fiber,optic,cable,for,use,inside,a,building,must,_______.,,ANS,-
,Be,rated,to,meet,the,requirements,of,local,building,and,fire,codes
Optical,fiber,cable,with,a,orange,colored,jacket,generally,indicates,the,cable,contains,_____.,,ANS,-
,Multimode,fiber
Premises,cable,jackets,are,usually,color-coded,in,what,color,to,indicate,singlemode,fiber?,,ANS,-,Yellow
Premises,cable,jackets,are,usually,color-coded,in,what,color,to,indicate,laser-
optimized,50/125,OM3,or,OM4,fiber?,,ANS,-,Aqua
When,pulling,long,lengths,of,cable,in,conduit,or,innerduct,,you,may,need,to,____.,,ANS,-
,Any,or,all,of,these,as,appropriate,(Pull,form,the,center,to,the,ends,,Use,a,breakaway,swivel,or,monitor,te
nsion,,Lubricate,the,cable)
In,a,loose,tube,cable,,a,gel,or,absorbent,tape,or,powder,is,normally,used,_____.,,ANS,-
,To,prevent,water,from,entering,the,cable
