A system manager wants to initialize a previously used disk for general usage. Which command
yields the most secure result?

A.
$ INITIALIZE/ERASE=DES $1$DGA100: SYSDISK

B.
$ INITIALIZE/FILE_PROTECTION $1$DGA100: SYSDISK

C.
$ INITIALIZE/SECURE $1$DGA100: SYSDISK

D.
$ INITIALIZE/ERASE/HIGHWATER $1$DGA100: SYSDISK

E.
$ SET VOLUME/INITIALIZE=HIGHWATER $1$DGA100: SYSDISK