You work as a network technician at Domain.com. A Domain.com user has complained that several programs are running in the background which he does not recognize and cause the computers performance slower. You are required to improve the performance by choosing which tool to use?

A.
You should make use of the MSCONFIG.EXE utility.

B.
You should make use of the MODE.EXE utility.

C.
You should make use of the IPCONFIG /FLUSHDNS utility.

D.
You should make use of the DXDIAG.EXE utility.