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Optical Communication
Wavelength Routing Networks
Q
How many switching layers are possessed by MG-OXC?
AA. Two
BB. Three
CC. Four
DD. Six
Correct Answer:
B. B. Three
Explanation:
An MG-OXC has three switching layers. They are wavelength cross-connect (WXC), waveband cross-connects (BXC), and fiber cross-connects (FXC). These layers help to terminate the wavebands and individual wavelength channels.