You are working as a technician at Certkiller .com. A user calls and asks for assistance with a
computer that is unusually slow. The computer is only 6 months old and has never been
connected to the Internet. A initial check reveals no hardware related issues, which of the following
should you try next in order to improve the computer’s performance? (Select TWO).

A.
SCANDISK

B.
Disk Defragmenter

C.
Dr. Watson

D.
Disk Cleanup

E.
FDISK

Explanation:
SCANDISKor ScanDisk is a utility in MS-DOS and Microsoft Windows systems which checks and
repairs filesystems and bad clusters. Fdisk is the name used for several hard disk partition table
editor programs for PC compatible computers. In Microsoft Windows, Dr. Watson is an application
debugger included with the operating system.