Exam 3V0-21.23 topic 1 question 9 discussion

An architect is responsible for extending the hosting design for a customer. The customer has a mission-critical 3-node application which is load balanced in an active/active/passive configuration. The application administrator requests that the virtual infrastructure team be responsible for maintaining platform level availability. An organizational policy exists to mandate the highest possible availability for mission-critical applications.
Based on the resource requirements, the architect has made the following design decision:
The target vSphere cluster contains three VMware ESXi host servers
A combination of which additional four physical design decisions should the architect make to maximize availability of the application? (Choose four.)