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SAP BASIS Interview Questions:
Q. What is difference between Application Server & central instance?
Ans.
Central instance have message server and dialog, update, spool, enque, gateway, background work processes.
Application server has only Dialog, update, spool, gateway and Background workprocess.
Note: SAP server has only one message server and Enque server.
Q. What is difference between consolidated & delivery routs.
Ans.
In a 3 system landscape, transports from development and quality is called Consolidation Route (this can have target groups & CTC).
Transports route from Quality to production is called delivery route.
Q. What are the prerequisites for applying a support pack? What is the Procedure for applying support packs?
Download the Support Patches from market place.
Login through 000 client with user DDIC.
Go to Transaction SAPM.
From the menu support packages - > load package -> from Front End..
Then Select display button in the screen and select the patch and gives import.
Import the Package queue.
Take care that no users are in online while u upload the support packages.
Q. Auto Start SAP on Windows Instance
Use transaction RZ10 to edit your startup profile. Add the following entry:
- Autostart = 1
Then save the profile. Next time your server reboots, your SAP instance will come up automatically!
Q. What is the procedure for applying sap notes to sap system?
Goto Tcode SNOTE.
GOTO Menu -> Download SAPNote.
Give the Note No.
After downloading check the status. If it shows that it can be implemented.
Then Select that Note goto Menu SAPNote -> implement Note.
Q. How to lock SAP Client? Is there any Tcode to lock the particular Client…?
Execute Transaction code SE37.
Enter the Functional Module SCCR_LOCK_CLIENT.
Execute this and enter the client u need to lock.
Q. Change the default Support Pack Path
It is because the path is defined in the parameter DIR_EPS_ROOT.
Q. SAP ECC6.0 Installation Steps
1. Once the Linux OS is over u configure the network card and change the Host name .
2. Install JDK and saplocales.
3. Then add the java home in profile file.
4. Modify the parameters in sysctl.conf.
5. Before install oracle u have to change the parameters in limits.conf. (Installation guide for oracle in linux is available from oracle site)
6. Install SAP by executing sapinst.
7. In the 3rd phase it will ask u to create user for oracle (user should be ora<ianstancename>). Suppose if u r going to install oracle in middle of sapinstallation only.
Rest SAP will handle own its own.
Q. STAT, STAD and ST03N tcode is showing error “RFC error, No performance data collected”.
Start SAP standard job SAP_COLLECTOR_FOR_PERFMONITOR(program RSCOLL00).
Q. What is the difference between client 000 & 001? Why we use client 000 for client copy, why don’t 001?
000 client is standard client and contain client independent setting. 000 client contain simple organizational structure of test company and include all parameter for application, standard setting
001 client is copy of 000 client. It is reserve for the activity for preparing the system for production system.
Q. Which are the default SAP background jobs run for Basis data?
SAP_REORG_JOBS
SAP_REORG_SPOOL
SAP_REORG_BATCHINPUT
SAP_REORG_ABAPDUMPS
SAP_COLLECTOR_FOR_JOBSTATISTIC
SAP_COLLECTOR_FOR_PERFMONITOR
RSPO1043
Q. What are Homogenous system copy and Heterogeneous system copy and how you will do that?
Homogenous- Same OS +Same DB
Heterogeneous- Different OS+ Different DB or Same DB.
Q. What is SAPS?
The SAP Application Performance Standard (SAPS) is a hardware-independent unit that describes the performance of a system configuration in the SAP environment.
Q. Which table space, gets filled frequently and we add datafile to that?
PSAPBTABD/I, PSAPSTABD/I, PSCAPLUCD etc.
Q. What is SAP NETWEAVER, SAP XI, SAP BIW, SAP WAS and SAP BI.
What is difference between these?
1. SAPNW - Netweaver is a web based technology includes java, based on your installation choices during software installation. It includes BI/XI/EP and different level of it’s configuration.
2. BI: It is an OLAP (on line analytical processing), which provides a plate form to collect the data and user extract the data from BI or BW (older version) to analyze it
3. EP: Enterprise portal provides web based secure access to all the application, services and information. you can log in to EP using host name:port#/ <service name> and user name and password
4. SAP -XI: Exchange Infrastructure is used to establish a cross system connections between system by different vendors and versions
5. Web AS: Web Application Server is the platform for ABAP and J2EE stacks in Netweaver.