2
General & Basic Concept in SAP
1) What is SAP
2) Installation
3) Landscape
4) SAP Work Process
5) SAP Important Directories
6) Start & stop SAP (Using Manual & MMC)
1. What is R/3 and what is basis version?
SAP Basis:
- Provides the runtime environment for all SAP applications
- Optimally embeds the application in the system environment
- Defines a stable architecture framework for system enhancements
- Contains the tools for administering the entire system
- Allows the distribution of resources and system components
- Provides interfaces for decentralized system parts and external products.
An R/3 instance is a group of R/3 services that are started and stopped as a unit (by an
R/3 dispatcher) and have a common instance profile. The name of an R/3 instance is
composed of letters standing for the relevant services, and an instance number which
is unique for each computer.
The services may be D, V, E, B, M, G, or S, which respectively stand for dialogue,
update, enqueue, background, message, gateway, and spool services.
2. What are SAP NETWEAVER, SAP XI, SAP BIW, SAP WAS and SAP BI. What is
difference between these?
SAPNW - Net weaver is a web based technology includes java, based on your
installation choices during software installation. It includes BI/XI/EP and different
level of its configuration.
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
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
SAP -XI: Exchange Infrastructure is used to establish a cross system connections
between system by different vendors and versions
Web AS: Web Application Server is the platform for ABAP and J2EE stacks in
Netweaver.
3. What is SAP & BASIS
System Application and Product for Data Processing (SAP)
Business Application Software Integrated System(BASIS)
4. Explain Landscape and which LS is Good for SAP environment
Single System ( All in same Server)
Two System ( DEV/QA and PRD)
Three System ( DEV,QA,PRD)
5. Explain about Layer
Presentation Layer ( SAP Client)
Application Layer (Application Servers & Central Database)
Database Layer (DB,Work Process)
6. What Homogeneous SAP System & Heterogeneous SAP System , Give Example
Homogeneous is where all the servers within the SAP cluster are running he same OS
– more specifically , the dB servers and Application servers are running the flavor of
UNIX or WINDOWS NT
Heterogeneous SAP System is conversely …..
7. How to installation sap ecc 6.0
Installing Hardware
Network connections to Systems
Operating System Installation
Database Installation
Partition as per SAP Recommendation
R/3 Installation & Setup
8. Installation Checks