Câu 13: S2000-025: IBM AIX v7.3 Administrator Specialty

An administrator compares the output of the lsuser command and the contents of /etc/passwd. There are 116 user accounts in the lsuser output but only 16 in /etc/passwd. What would be a reason for that?

1. A. /etc/passwd contains only system accounts, all other users are in /etc/security/user
2. B. /etc/passwd doesn't play any role on AIX, the information is stored in /etc/security/passwd
3. C. /etc/passwd contains only local accounts, for other users an external user registry like LDAP is used — đáp án hiện tại
4. D. /etc/passwd doesn't contain any users, only references to other authentication mechanisms