Certification notes
Each note answers a single question that certification material tends to blur. Every one opens with the answer, so you can stop reading as soon as you have what you came for.
Browse the study libraryUse a complete data backup as the periodic baseline, delta backups between baselines to shorten the backup window, and log backups continuously so you can recover forward to a point in time. A data backup alone only restores to the moment it was taken. Recovering to the most recent state needs that data backup plus every log backup written since.
SAPCAR unpacks SAP archives, SWPM drives the guided installation itself, and the post-installation checks confirm the result before anyone uses the system. They run in that order, and mixing them up is the most common way to misread a provisioning question.
Use SU01 to maintain one user, SU10 to apply the same change to many users at once, and PFCG to build and maintain the roles that carry the authorizations. SU01 and SU10 manage who exists. PFCG manages what they can do.