Company.com performs a cluster verification on a regular basis. Cluster verification is successfulbut the cluster sometimes fails to start the applications during a fallover. Investigation of the issue has revealed that the non-shared component of the application configuration information is not being kept up to date on the secondary nodes.  What can be used to help resolve this issue？（）   

• A、 A pre-event
• B、 Error notification
• C、 Application monitoring
• D、 Custom verification methods