You’ve been asked to upgrade a user’s workstation from Windows Vista to Windows 7 with a clean install. What does this mean?
A) All files remain in place during the upgrade and a clean desktop is provided on the upgraded system
B) All data is wiped from the drive and a new version of the operating system is installed
C) All user-installed applications must be removed before the upgrade
D) The existing registry must be cleaned before the upgrade
E) The outside of the computer should be scrubbed with warm water that contains a twist of lemon
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