单项选择题Anadministratorhaswrittenascripttocheckthatthecontentsofanapplicationconfigurationfileareidenticalonallclusternodes.Thescripthasalsobeenassociatedwithauserdefinedcustomverificationmethod.Theadministratorwouldlikethecontentsofthisfiletobecheckedandverifiedautomaticallyonadailybasis.Howcanthisbeachieved?()
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