In the WDM system, what is the reason for the fiber attenuation and bit error rate? (Multiple Choice)
A . Fiber bending
B . Fiber damage
C . Fiber break
D . Fiber aging
Answer: ABD
In the WDM system, what is the reason for the fiber attenuation and bit error rate? (Multiple Choice)
A . Fiber bending
B . Fiber damage
C . Fiber break
D . Fiber aging
Answer: ABD