Name: 
 

chapter 25



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

1. 

CATV uses analog modulation on fiber-optic cables.
 

2. 

SONET solves many of the timing problems in synchronizing digital signals.
 

3. 

Soliton pulses can travel down a fiber-optic cable with no dispersion.
 

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

4. 

FITL stands for:
a.
Fiber In The Loop
c.
Frequency Input to The Loop
b.
Fiber Input Timing Loss
d.
Fiber Input Timing Loop
 

5. 

SONET stands for:
a.
Simple Optical Network
c.
Synchronous Optical Network
b.
Standard Optical Network
d.
none of the above
 

6. 

A Soliton is a:
a.
defect in the glass
c.
type of pulse
b.
type of particle
d.
type of optical network
 

7. 

Adding bits to synchronize one digital signal to another is called:
a.
bit stuffing
c.
SDH
b.
bit-synch
d.
WDM
 

8. 

The use of solitons on fiber-optic cables is:
a.
common
c.
obsolete
b.
experimental
d.
not possible
 

9. 

OTDR stands for:
a.
Optical Time-Delay Response
c.
Optical Time-Domain Reflectometer
b.
Optical Timing Delay Requirement
d.
Optical Time-Division Relay
 

10. 

Using fiber-optic cable in a telephone system except for the connection to the subscriber's phone is called:
a.
FDDI
c.
FITL
b.
FTTC
d.
SONET
 



 
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