Name: 
 

Quiz - fiber optic testing



True/False
Indicate whether the statement is true or false.
 

 1. 

Cables tested with an OTDR do not require insertion loss testing with a source and meter or OLTS.
 

 2. 

Connectors at each end of the cable plant should not be counted when calculating the cable plant loss.
 

 3. 

The OTDR should never be used without a "launch cable" which is also called a "pulse suppressor."
 

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 4. 

Cable plant loss should be estimated during the ______ phase.
A.
Design
B.
Installation
C.
Testing
D.
Troubleshooting
 

 5. 

The standard method of testing installed multimode cables in a cable plant is described in:
A.
FOTP-34
B.
ISO 11801
C.
FOTP-57
D.
OFSTP-14
 

 6. 

What test instrument(s) are used for insertion loss testing.
A.
OLTS  or light source and power meter
B.
VFL
C.
OTDR
 

 7. 

Multimode graded-index glass fiber optic cables are tested with ___ sources at ______ and _____ wavelengths.
A.
LED, 650, 850 nm
B.
LED, 850, 1300 nm
C.
Laser, 980, 1400 nm
D.
Laser, 1310, 1550 nm
 

 8. 

What type of source is used for testing singlemode fibers?
A.
LED
B.
VCSEL
C.
Laser
 

 9. 

How many methods are included in standards for setting the ”0 dB‘ reference for loss testing?
A.
One
B.
Two
C.
Three
D.
Four
 

 10. 

Which reference method is preferred in TIA 568?
A.
Once cable reference
B.
Two cable reference
C.
Three cable reference
D.
Any method as long as it is documented
 

 11. 

Reference cables must match the ________ of the cables being tested.
A.
Fiber size and type
B.
Fiber size and connector type
C.
Connector type
D.
Fiber size and loss specification
 

 12. 

The total loss of the fiber in the cable plant is calculated by multiplying the attenuation coefficient of the fiber by the _________.
A.
Length
B.
Number of links
C.
Number of connectors
D.
Number of splices
 

 13. 

The principle of operation of OTDRs is similar to _______ .
A.
Power meters and sources
B.
Radar
C.
Mirrors
D.
Lenses
 

 14. 

OTDRs are used in outside plant cables to __________.
A.
Verify splice loss
B.
Measure length
C.
Find faults
D.
All of the above
 

 15. 

In premises applications, OTDRs are limited in usefulness by their ______.
A.
Output power
B.
Distance capability
C.
Distance Resolution
D.
Software
 



 
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