This chapter covered the part of the exam related to the upgrading and migration of vSphere from version 5.5 or 6.0 to version 6.5. Make sure that you understand Objectives 4.1, 4.2, and 4.3, as well as all of the required steps to perform a successful upgrade/migration.
Chapter 5, Administer and Manage vSphere 6.x Resources, will cover the creation and management of a Resource Pool (Objective 5.1), a vSphere object used to allocate resources to a group of virtual machines. The configuration of the vSphere DRS feature, as well as the management of both VM-VM and VM-Host affinity rules, will be covered in detail as a part of Objective 5.2, illustrating the different configuration procedures. Last but not least, the following chapter will cover the new Predictive DRS feature that was introduced in vSphere 6.5.