Which of the following operating systems can be upgraded directly to Windows 7
Professional by a default installation? (Select TWO).
A.
Windows 7 Home Premium
B.
Windows Vista Business
C.
Windows XP Home
D.
Windows XP Professional 64-bit
E.
Windows XP Media Center
Explanation:
Reference:
http://technet.microsoft.com/en-us/library/dd772579(v=ws.10).aspx