Virtualization of your entire SAP system landscape (some companies additionally operate an SAP HCM system, for example, which also needs to be virtualized)
SAP System Copies
The HANA database (in-memory database) is an in-house development by SAP and brings with it numerous innovations. For example, it is automatically monitored by the system. In addition, it stores not only operational (user-generated) data, but also system data for controlling application content as well as configuration tables.
In the SAP product world, the presentation layer is based on several modules that are grouped under the collective term SAP GUI. SAP GUI for Windows, SAP GUI for Java, Web Dynpro for ABAP (WDA) and SAP GUI for HTML ("Web GUI") are widely used.
Hardware sizing
Job scheduling: your system needs to run various automated background jobs that consume resources. Your administrator must carefully schedule these tasks when user demand is low so they don't impact performance.
The SAP NetWeaver Integration Technology part of the course covers the basic areas of use and properties of the various integration technologies. Interrelationships between the integration technologies, Web Services, ALE, BAPI, Process Integration, Web Application Server are taught. Further contents are the basic communication technologies: IDoc, RFC, http and SOAP.
Tools such as "Shortcut for SAP Systems" are extremely useful in basic administration.
Among others: after a role transport to / when assigning users to roles via PFCG after restricting the validity of roles to users when roles are assigned indirectly via organizational management.
If you look at everything I've described up front in its entirety, it quickly becomes clear which direction things are headed: the SAP basis will increasingly move toward an SRE-centric environment over the next decade.