Approved 31-203 ZCTA of Transmission(OTN), transmission (OTN) after-sales engineer Exam – Success Pathway Course

[31-203 ZCTA of Transmission(OTN), transmission (OTN) after-sales engineer Exam] In This Course of ,The Optical Transport Network (OTN) exam assesses knowledge of DWDM/OTN technologies, signal multiplexing, optical cross-connects, and OAM (Operations, Administration, and Maintenance). Candidates must demonstrate proficiency in installation, commissioning, troubleshooting optical paths, managing alarms, and ensuring QoS. Emphasis is placed on delivering high-reliability transport services for backbone and metro networks.