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單項選擇題

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

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