The user will need to upgrade to the Pro or __ edition of Windows 10 to have support for EFS.

The read and write heads of an SSD

A) Touch the surface of the disk while reading and writing data, which is why the heads get dirty B) Float a few millimeters above the surface of the disk C) Spin around a stationary disk D) Are nonexistent

The _____________ namespace contains most of C#’s file-processing classes

Fill in the blank(s) with the appropriate word(s).