Wdm Engineer Interview Questions and Answers

WDM stands for Wavelength Division Multiplexing, a technology used in fiber optic communication to transmit multiple signals simultaneously.

• WDM is a technique that combines multiple optical signals onto a single fiber by using different wavelengths of light.

• It increases the capacity and efficiency of fiber optic networks.

• Looping refers to the process of connecting a cable or circuit back to itself, often used for testing or troubleshooting purposes.

• SDH (Synchronous Digital Hi...read more