Which of the following processes must be included in a standard hyper-converged architecture delivery solution? (Multiple choice)

Which of the following processes must be included in a standard hyper-converged architecture delivery solution? (Multiple choice)
A . Distributed storage system writes data: Generate multiple keys in units of 1MB based on the LBA and block size of the application layer, hash the key into a partition ID, and then find the primary OSD based on the partition ID. The primary OSD notifies the backup OSD corresponding to the partition to write data.
B . Planning and Design
C . Project supervision
D . Installation and commissioning
E . Project Acceptance

Answer: BDE