I took the VMware vSAN Specialist Exam recently and these are the preparation resources I used:
- VMware vSAN 8.0 Release Notes
- VMware vSAN Planning & Deployment Guide
- VMware vSAN Network Design Guide
- VMware vSAN Administration Guide
- VMware vSAN Monitoring & Troubleshooting Guide
- VMware vSAN FAQ
- VMware vSAN 8.0 Configuration Maximums
- VMware Product Interoperability Matrices
- VMware Compatibility Guide