You work as a network exchange administrator at company.com.the company.com network currently consists of a single active directory forest containing a single domain named company.com.the company.com organization makes use of microsoft exchange server 2008 service pack 2 （sp2） as their messaging solution.The.com， network contains a server named - sr02.during the course of the business week you receive instruction from company.com to perform an installation of microsoft exchange server 2010 on -sr02.the installation must support the mailbox， hub transport and client access server roles.What should you do？（）

A. you should consider having the windows management framework installed.
B. you should consider having message queuing installed.
C. you consider having the web server role installed before the rpc over http proxy component is installed.
D. you should consider having microsoft .net framework 3.5 service pack 1 （sp1） installed.
E. you should consider having the windows remote management （winrm） 2.0 installed.
F. you should consider running the servermanagercmd.exe -ip exchange-typical.xml command.
G. you should consider running the servermanagercmd.exe -ip exchange-base .xml command.