If you want to test VMware vSphere before purchasing, what is the length of the Evaluation period available?

A.
2 Months

B.
30 Days

C.
60 Days

D.
90 Days

Explanation:
ESXi Installable and vCenter Server Setup Guide, ESXi 4.0 Installable, vCenter Server 4.0, page 97.
After the 60-day evaluation period expires, you are no longer able to perform some operations in vCenter Server and ESX/ESXi.