Network design for Campus OptiX or DCI requires, per HCSA-Sales-Transmission & Access:
Project Background and Scope (A): Context and objectives.
Service types and bandwidth requirements (B): Defines capacity needs.
Project Scenario (C): Determines solution type (e.g., hotel, education).
Layout (include cabling) (E): Physical planning.
Construction period (D): Implementation detail, not design prerequisite.
Thus, A, B, C, and E are correct.