When using the registry editor which of the following keys contains file extension associations?

A.
HKEY_CURRENT_USER

B.
HKEY_USERS

C.
HKEY_LOCAL_MACHINE

D.
HKEY_CLASSES_ROOT

Explanation:
The HKEY_CLASSES_ROOT key contains the file extension associations.
Incorrect Answers:
A: The HKEY_CURRENT_USER key contains the user profile information for the person currently
logged in to Windows.
B: The HKEY_USERS key contains the default user profile and the profile for the current user.