You work as a System Administrator for company Inc. The company has a Windows 2008 based network environment. There are twenty client computers running Windows 7 and three servers running Windows Server 2008 R2. You have to ensure that customer service representatives can access the client’s information whenever they need. For this, you want to configure a RAID 5 solution in Network Attached Storage (NAS). How many minimum hard drives can you use?
A. 5
B. 6
C. 4
D. 3
