sccm actions meaning "software updates scan cycle"

Software Updates Deployment Evaluation Cycle: Evaluates the state of new and existing deployments and their associated software updates. This includes scanning for software updates compliance, but may not always catch scan results for the latest updates. This is a forced online scan and requires that the WSUS server is available for this action to succeed.

Software Updates Scan Cycle: Scans for software updates compliance for updates that are new since the last scan. This action does not evaluate deployment policies as the Software Updates Deployment Evaluation Cycle does. This is a forced online scan and requires that the WSUS server is available for this action to succeed.