Exam 3V0-21.23 topic 1 question 16 discussion

An architect is designing a new vSphere-based solution for a customer.
During a requirements gathering workshop, the following information is provided:
The solution must have a primary and secondary (isolated) environment
The solution must support orchestration to address application dependencies
The isolated environment must be able to scale on demand in case of a DR scenario
The solution is managed through a single interface
Which solution should the architect include in this design?