Given the MS-DOS file name ?.*, which of the following file names is not referenced?

What should a technician do with drives taken out of corporate user machines that are to be reused?

A) Nothing B) Drive wipe C) High-level format D) chkdsk

The each method is a very commonly used looping method. This method is supported by a number of different Ruby classes, including all of the following except ____.

A. The Array class B. The Dir class C. The String class D. The Range class