System Architecture - Interview Questions

16. Identify all R3 Basis configurations.
A: Central system with centrally installed presentation software.
B: Two-level client/server system with rolled-out presentation software.
C: Two-level client/server system. Presentation and application run on the same computer.
D: Three-level client/server system. Presentation, application and database run on
separate computers.


17. What is the maximum number of session per user session?
Six.

18. What are the Roll and Page areas?
The Roll and Page areas are SAP R/3 buffers used to store user contexts ( process requests ). The SAP Dispatcher assigns process requests to work processes as they are received. If the required work process is unavailable the process requests are queued in the Roll and Page Areas.

19. The CPI-C Starter Set consists of what calls? * not covered in manual
The calls are embedded in ABAP/4 or C. The library is CPICSDK, RFCSDK, SAPMNT/TEK/EXE.
CMINIT Initialize_Conversation Define communications parameters.
CMALLC Allocate_Conversation Establish conversation.
CMACCP Accept _Conversation Accept conversation
CMSEND Send Send data
CMRCV Receive Receive Data
CMDEAL Deallocate_Conversation Terminate conversation

20. What is ABAP/4-Query? * not covered in manual
Used for generating ABAP/4 reports not contained in R/3 standard; it is especially intended for users who have no programming knowledge of ABAP/4. Description of the requested result of a report written in ABAP/4. It is a link into logical databases.