What is the effect of the following command?
$ SET SECURITY/DELETE=ALL-
/ACL=(IDENTIFIER=NETUSER, ACCESS=NONE) PROJECT.DIR

A.
denies network users access to the PROJECT directory

B.
deletes the NETUSER ACE from the ACL for the PROJECT directory

C.
denies all OpenVMS network processes access to the PROJECT directory

D.
denies all accounts with the NETUSER identifier access to the PROJECT directory