1-yes 2-no, it also does capacity planning and automated remediation and workload placement. 3-everything vCenter monitors, but that's just vCenter data sources. We can ingest data from other sources as well, such as storage, server hardware, etc, which build hierarchies and topologies within vR Ops to allow correlation of events, alerting, etc. 4-it can monitor physical servers as well, by virtue of EPO agents and/or ingesting data from another 3rd party management pack or middleware solution.
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