"In Windows, what two terms describe the active partition on an MBR drive, and the location where the Windows operating system is stored, respectively?"

Boot partition and system partition

Explanation:

System partition is the primary partition that is used as the active boot partition,it saves boot files and all files that will be used.  System partition is also known as the system directory or root directory and is usually given the identifier "c"

Boot partition is the disk partition that holds the files for the operating system files Windows operating system (either XP, Vista, 7, 8, 8.1 or 10), it works with the system partition and tells the computer where to look when starting. It given the identifier of letter "D" or "E"

nope i prefer two because it is simpler, i don't like all the powers you get

explanation:

but that's my opinion

i think the answer is b.