An administrator has written a script to check that the contents of an application configuration file are identicalon all cluster nodes. The script has also been associated with a user defined custom verification method. Theadministrator would like the contents of this file to be checked and verified automatically on a daily basis.How can this be achieved？（）

A.By using a job scheduler such as cron
B.By enabling automatic cluster verification
C.By including the script name in the file /usr/es/sbin/cluster/etc/clverify.rc
D.By including the custom method name in the file /usr/es/sbin/cluster/etc/rc.authomethods