Exam 5V0-22.23 topic 1 question 55 discussion

An existing vSAN OSA cluster has this specification:
Four ESXi hosts with all flash configuration

Each with two disk groups -
Each disk group with one cache device and four capacity devices
There are five more device slots available per host
The CTO would like to provision new applications, and these will need more capacity and performance.
Which two methods should be used by the vSAN administrator to meet this goal with the least amount of impact? (Choose two.)