VLM.EXE
CDDEX.EXE
DOSKEY.EXE
MSCDEX.EXE E. None of the above
Answer is Wrong!
Answer is Right!
The correct answer is D. MSCDEX.EXE.
MSCDEX.EXE is a Microsoft CD-ROM Extensions driver that provides support for CD-ROM drives in MS-DOS. It is loaded by the CONFIG.SYS file and must be present in order to access CD-ROMs from MS-DOS.
VLM.EXE is a Virtual Loadable Module that provides support for running multiple programs in MS-DOS. It is not required for CD-ROM support.
CDDEX.EXE is a CD-ROM Extension driver that was used in early versions of Windows. It is not required for CD-ROM support in MS-DOS.
DOSKEY.EXE is a command-line utility that provides editing and macro capabilities for MS-DOS. It is not required for CD-ROM support.
E. None of the above is not a valid option.