What represents an Enterprise System monitoring methodology?
A. monitoring web servers, application servers, database servers, and middleware
B. configuring remote servers; creating monitors; defining alerts; reviewing reports
C. installing SiteScope; creating groups; deploying monitors; viewing reports
D. identifying what to monitor; creating groups and monitors; defining thresholds; setting the sampling frequency; configuring alert triggers and actions
E. setting up monitors for files, services, processes, and resources