Computer Hardware - Engineering

Q1:

Why does a successfully mapped network drive disappear every time you boot the computer?

A The computer you are connected to has moved

B You didn't click reconnect on log on

C The map statement is not in the autoexec.bat file

D The last drive was not set correctly

E None of the above

ANS:C - The map statement is not in the autoexec.bat file

I want an exact reason for dissolve the above problem.

Can anyone explain me?