Networking Protocols, CLI commands, long-haul optical network operations, general network operations, light level measurements, coherent transponders, DWDM devices, ROADM systems, dark fiber testing, fiber optic technologies

Networking Protocols, Optical layer L0 L1 traffic reliability, OTDR testing, Coherent transponders, ROADM, Dark fiber maintenance, Light level testing, DWDM device, CLI command, Dark fiber testing, Ciena 6500, Infinera GX40