Approved 21-401 ZCSA of VCC, Video Conferencing (VCC) Pre-sales Engineer Exam – Success Pathway Course

[21-401 ZCSA of VCC, Video Conferencing (VCC) Pre-sales Engineer Exam] In This Course of ,This certification evaluates knowledge in video conferencing solutions, endpoints, multipoint control units (MCUs), cloud conferencing, interoperability standards (H.323, SIP, WebRTC), and security. Pre-sales engineers are assessed on solution design, bandwidth planning, user experience optimization, and competitive positioning in enterprise and government deployments.