An administrator wants to provide users restricted access. The users should only be able to perform the following tasks:
Create and consolidate virtual machine snapshots
Add/Remove virtual disks
Snapshot Management
Which default role in vCenter Server would meet the administrator’s requirements for the users?

A.
Virtual machine user

B.
Virtual machine power user

C.
Virtual Datacenter administrator

D.
VMware Consolidated Backup user

Explanation:

Virtual Machine Power User is a sample role that grants a user access rights only to virtual machines; can alter the virtual hardware or create snapshots of the VM.
Reference: http://blog.pluralsight.com/vmware-access-control-101-roles-and-permissions