This appendix serves as an overview of the many design, deployment, management, and monitoring concepts discussed throughout the book. You can use it as a quick reference for any phase of your virtual infrastructure deployment. The appendix is also meant as a review of the material I covered, with a focus on the concepts of VMware vSphere that are commonly discussed in the world of virtualization management. By reviewing this appendix, you can gauge your level of fluency with the concepts I've discussed. If you're unsure of any of the best practices outlined here, you can revisit the various sections of the book for more details about that particular best practice.