31. 

Which two commands enable you to move between directories?

A. CD
B. CHDIR
C. MOVE
D. MOVE DIR
E. None of the above

32. 

The autoexec.bat configuration file

A. Is run after config.sys on system boot-up
B. Contains all windows configuration files
C. Is also known as config.sys
D. Checks for system polarity
E. None of the above

33. 

Which is LEAST likely to interfere with upgrading to a newer DOS version?

A. ROM BIOS
B. Video controller
C. Compressed drives
D. Existing backup files
E. None of the above