Which three statements about the recommended hardware requirements of Avaya IX

Which three statements about the recommended hardware requirements of Avaya IX
A . Configure the CPU for Performance mode in the server’s BIOS settings.
B. All processors are to be Intel® 2.0 GHz or better.
C. Different configurations must be used for both physical and virtual servers.
D. All processors are to be Intel® 3.5 GHz or better.
E. All hard drives must be high performance, server grade drives.

Answer: B,C,E

Explanation:

Reference: http://www.esna.com/services/education/IX_Messaging_10_8/SIG/RH5_IXM_SIG/IXM_Server_Install_Guide_UC_Installation_Summary/IXM_Server_Install_Guide_UC_Installation_ Summary.htm