You work as the network administrator at ABC.com. Your responsibilities include maintaining the Project Server environment. The current environment consists of the following servers:
ABC-Exch1 runs Windows Server 2003 R2 x64 and Exchange Server 2007 R2. ABC-SQL1 runs Windows Server 2003 R2 x64 and Windows Server SQL Server 2005. ABC-SPS1 runs Windows Server 2008 x64, SharePoint Server 2007 and Project Server 2007. You have been instructed to uABCrade from Project Server 2007 to Project Server 2010. What should you do to the current environment before uABCrading to Project Server 2010? (Choose two).

A.
You should uABCrade ABC-Exch1 to Windows Server 2008.

B.
You should uABCrade ABC-SQL1 to Windows Server 2008.

C.
You should uABCrade SQL Server 2005 to SQL Server 2008.

D.
You should update SQL Server 2005 by installing the latest SQL Server patches.

E.
You should uABCrade ABC-SPS1 to Windows Server 2008 R2.

F.
You should uABCrade SharePoint Server 2007 to SharePoint Server 2010.