An administrator places a 300 GB virtual machine named "Finance1" on a 2 TB datastore containing other virtual machines. After virtual machine placement, the datastore has 200 GB of free space. The accounting department takes a nightly snapshot of Finance1, then deletes the previous snapshot. The administrator is concerned about snapshots filling the datastore.
Which statement is true regarding snapshots? (Choose the best answer.)

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.)

Refer to the exhibit.

Which two statements are true regarding the state of the virtual machine (VM) if an administrator clicks the
"Delete All" option? (Choose two.)

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? (Choose the best answer.)

Which feature is a pre-requisite for configuring admission control on a cluster? (Choose the best answer.)