The following reference material from the vSphere 6.5 online documentation will assist you in covering the main information that is needed to know the topics in this objective:
- vSphere 6.5 What’s new HA (yellow-bricks.com)
- Create and Using vSphere HA Clusters
- Best Practices for Networking
- vSphere HA Advanced Options
- What’s new in vSphere 6.5 Host Resource Management and Operations (VMware Blogs)
- vSphere HA Admission Control
- Cluster Resources Percentage Admission Control
- Slot Policy Admission Control
- vCenter HA datastore heartbeats (theithollow.com)
- vSphere HA VM Monitoring back to basics (VMware Blogs)
- VM Component Protection (VMCP) [VMware Blogs)
- Using vSphere HA with Virtual SAN
- Using vSphere HA and DRS together
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