What is the benefit of cloud services for users? A. The distribution of storage systems. B. The irrelevance of physical location and configuration of underlying systems. C. Data access is protected by strong encryption algorithms and unauthorized access is prevented…

In DWDM terminology, what is “grey light”? A. A darker version of white light. B. An attenuated signal of any wavelength. C. Short-reach wavelengths. D. Violet light of higher frequencies, bordering on invisible ultraviolet.