Huawei’s Campus OptiX solution consists of:

✅OLT (Optical Line Terminal) – Manages the network and distributes signals.✅ODN (Optical Distribution Network) – Passive fiber infrastructure for connectivity.✅ONU (Optical Network Unit) – Delivers services to end devices.✅eSight (Management Software) – Provides centralized monitoring and management of the Campus OptiX network.

Thus, the correct answer is B (OLT + ODN + ONU + eSight).