Which tool should you use?

You have a computer named Computer1 that has a 1-TB volume named E.
You need to receive a notification when volume E has less than 100 GB of free space.
Which tool should you use?

A.
Event Viewer

B.
Disk Cleanup

C.
Performance Monitor

D.
System Configuration

E.
Resource Monitor

Explanation:
https://technet.microsoft.com/en-us/library/cc722414(v=ws.11).aspx