Question: What does optical return loss ( ORL ) measure in a fiber optic system? ###answer### The total length of the fiber optic cable The level

What does optical return loss (ORL) measure in a fiber optic system?
###answer###
The total length of the fiber optic cable
The level of encryption applied to data transmitted through the fiber optic cable
The amount of light power reflected back towards the source due to imperfections and mismatches in the fiber optic path
The speed at which data is transmitted through the fiber optic cable

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