Which files are managed through the use of the file collection "HACMP_Files"？（）
A. The PowerHA Global OD
B. System networking files including /etc/hosts， /etc/inetd.conf and /etc/services
C. Security files including /etc/passwd， /etc/security/passwd， /etc/group and/etc/security/group
D. User configurable files including Application server start and stop scripts， custom pre and post notificationevents and application monitoring script
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