A vSphere cluster has the following configuration:

• Virtual machines (VMs) are running Production and Test workloads

• vSphere Distributed Resource Scheduler (DRS) is enabled

• There are no resource pools in the cluster

Performance monitoring data shows that the Production workload VMs are not receiving their fully allocated memory when the vSphere cluster is fully utilized.

A combination of which two steps could the administrator perform to ensure that the Production VMs are always guaranteed the full allocation of memory? (Choose two.)