Which of the following is true, when a server uses PAM authentication and both /etc/pam.conf & /etc/pam.d/ exist?
A. It causes error messages.
B. /etc /pam.conf will be ignored.
C. /etc / pam.d/ will be ignored.
D. Both are used, but /etc/pam.d/ has a higher priority.
E. Both are used, but /etc/pam.conf has a higher priority.