How many disks should you identify?

DRAG DROP
Your network contains multiple servers that run Windows Server 2012.
You plan to implement three virtual disks. The virtual disks will be configured as shown in the
following table.

You need to identify the minimum number of physical disks required for each virtual disk.
How many disks should you identify?
To answer, drag the appropriate number of disks to the correct virtual disk in the answer are
a) Each number of disks may be used once, more than once, or not at all. Additionally, you may need
to drag the split bar between panes or scroll to view content.

Answer:

Explanation:

http://technet.microsoft.com/es-es/library/jj822938.aspx
They are not talking about Clusters, a single server only, so a standalone server.