Which three components should an administrator select when configuring vSphere permissions? (Choose three.)

An IT department is decommissioning a storage array and tasks an administrator with removing a datastore from ESXi hosts.
What is a prerequisite for unmounting the datastore? (Choose the best answer.)

vCenter Server experiences a catastrophic failure and the administrator must restore from a vCenter Server backup stored on an FTP server. What must the administrator do to restore vCenter Server?

An administrator is tasked with upgrading an existing vSphere environment to version 7.0. There are existing VMFS3 and VMFS5 datastores in the environment.
Which statement is true regarding this upgrade?

An administrator runs third-party software in a virtual machine (VM). The third-party licensing agreement requires payment of a license fee for each host to which the VM migrates.
How can the administrator configure Distributed Resource Scheduler (DRS) to minimize licensing costs?