What Is the Visibility or Accessibility Level of the Preference

Multiple Choice

What is the visibility or accessibility level of the preference file created by application?

A) By default it is private to the application that created it.
B) By default it is available for all applications on the same device.
C) It can be shared with other applications on same device
D) Both "By default it is private to the application that created it" and "It can be shared with other applications on same device" are correct.