A foundational course that provides a technical introduction to the 5G Core (5GC) architecture, its functional network elements (AMF, SMF, UPF, NRF, PCF, etc.), and key signaling protocols such as HTTP/2-based Service-Based Interfaces (SBI), NGAP, PFCP, and NAS. The course focuses on how these components interact to enable registration, session management, policy control, and user-plane data handling in 5G networks.