Your customer has asked you to install a 72-port Cisco Unity Unified Messaging system. Which three components must be installed on the server before installing the Cisco Unity software? (Choose three.)

A.
Exchange 2000

B.
SQL 2000

C.
MSDE 2000

D.
IIS 5.0

E.
Internet Explorer 6.0

F.
Windows 2000 Datacenter Server