SAP Basis Interview Question and Answers

1. How do you check current patch level? 

      Check your current patch level in following ways

     -SAP Easy access -> system ->status -> click right arrow in the bottom and it will show your   current patch level

     -Go to SM51 tcode and click -> Release note and it will show your current patch level

     -Login to SIDADM user  and execute “disp+work” to check your patch level

2. What is your current patch level? 

       312

3. What is a work process?

             Work process is the central place where individual dialog steps are actually processed/executed and the work is done.

4. Name various work processes of R/3 system?

           -Dialog
    -Background
    -Update
    -Enqueue
    -Spool 

5. Which work process triggers database changes?

            Update work process

6. What are the different layers in R/3 system?

           -Presentation Layer
    -Application Layer
    -Database Layer 

7. What is the protocol used by SAP Gateway process?

            The SAP Gateway process communicates with the clients based on the TCP/IP Protocol 

8. Where do you look at the buffer statistics, and what steps they would use to adjust them?

             ST02, RZ10 

9. Difference between SAP Notes and Support Package? 
     When there is a bug in a SAP program/tcode and reported to SAP where SAP developers check the same and develop a correction. This correction is sent to the customer in the form of a SAP NOTE.

       If the same or similar bug is reported by multiple clients or end users, then SAP recognizes such bug corrects them and collects all these corrections in one place and adds some enhancements to the earlier version of SAP and then calls this as a SUUPORT PACK. In simple words collection of SAP NOTES is a SUPPORT PACK, A SAP Note fixes one problem, Support packages are many SAP notes together.

10. What is Add on Components? 

            Add-On components are nothing but extra functionality that do not come with main SAP   product. Different organizations have different requirements, so SAP has recognized some main functionality that are in demand and builds that functionality as a components, which can be integrated with the core SAP. so add on components sit above the core and access the same dictionary objects or repository objects and perform the required functionality.
      An Add-On is specific coding that is delivered separately and can be updated without changing the base.

11. How to know whether a system is Unicode or non Unicode?

            i). In sm51 t-code and click release notes button in the application tool bar
   ii). Log on to sap system on Easy access ,click on system then click on status
  iii). At OS level in cmd prompt type "disp+work -version" 

12. Where to check for system logs of Sap application at os level?

            i). System logs can be checked in T-Code SM21
   ii). we can see the system logs at os leval usr/sap/sid/sys/logs directory 

13. What are the transport request types are there?

          Four types of transport requests
     1. Customizing request
     2. Workbench request
     3. Transport of copies
     4. Relocation 

14. How to transport users from one client to another?
        Using T-code SCC1

15. What is the difference between R/3 and ECC?

               R/3 is a term used for SAP Core prior to version 4.7 and after 4.7 and especially 5.0 and above it is called ECC-Enterprise Central Component.