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The R/3 basis s/w provides the run time environment for the R/3 applications ensures optimal integration, defines a stable architectural frame for system enhancements, and contains the administration tools for the entire system. One of the main tasks of the basis system is to guarantee the portability of the complete system. Question.2 What are the central interfaces of the R/3 system?Answer: Presentation Interface. Database Interface. Operating system Interface. Question.3 What is SAP dispatcher?Answer: SAP dispatcher is the control agent that manages the resources for the R/3 applications. Question.4 What are the functions of dispatcher?Answer: Equal distribution of transaction load to the work processes. Management of buffer areas in main memory. Integration of the presentation levels. Organization of communication activities. Question.5 What is a work process?Answer: A work process is where individual dialog steps are actually processed and the work is done. Each work process handles one type of request.Question.6 Name various work processes of R/3 system?Answer: Dialog or Online (processes only one request at a time). Background (Started at a specific time)Update (primary or secondary) Enque (Lock mechanism).Spool (generated online or during back ground processing for printing). Question.7 Define service (within R/3)?Answer: A service is a process or group of processes that perform a specific system function and often provide an application-programming interface for other processes to call.Question.8 What are the roll and page areas?Answer: 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 queued in the roll and page areas. Paging area holds data from the application programs.Roll area holds data from previous dialog steps and data that characterize the user.Question.9 What are the different layers in R/3 system?Answer: Presentation Layer. Application Layer. Database Layer. Question.10 What are the phases of background processing?Answer: Job Scheduling. Job Processing. Job Overview.Question.11 Define Instance?Answer: An instance is an administrative unit in which components of an R/3 systems providing one or more services are grouped together. The services offered by an instance are started and stopped at random. All components are parameterized using a joint instance profile. A central R/3 system consists of a single instance in which all- necessary SAP services are offered. Each instance uses separate buffer areas. Question.12 What are R/3 Basis configurations?Answer: A central system with centrally installed presentation software.Two-level client/server system with rolled out presentation software.Two-level client/server system. Presentation and Application run on the same computer.Three-level client/server system. Presentation, Application and database each run on separate computers.Question.13 What is a SAP system?Answer: The union of all s/w components that are assigned to the same databases is called as a SAP system.Question.14 What is a Spool request?Answer: spool requests are generated during dialog or background processing and placed in the spool database with information about the printer and print format. The actual data is places in the Tem Se (Temporary Sequential objects). Question.15 What are the types of Update requests?Answer: An update request can be divided into one primary (V1) and several Secondary update components (V2). Time- critical operations are placed in V1 component and those whose timing is less critical are placed in V2 components. If a V1 update fails, V2 components will not be processed.Question.16 What is operation mode?Answer: Switch the dialog work process to background work process vice versa using operation mode.RZ04 is monitor for the operation mode & instances. Create the operation modes and delete the operation modes.SM63 is used time table for operation modeRZ03 is used to switch the operation mode.Question.17 How to create the operation mode?Answer: Maintain the operation modes T_Code is RZ04.We assign time table for the operation mode T_Code is sm63.Then assign the instance.Question.18 How to delete the operation mode?Answer: First delete the time table and save empty. Then operation mode using Rz04Question.19 What is exceptional operation mode?Answer: We need extend the maintains +day,-day and date, we will do it.Share on FacebookGoogle+Tweet about this on TwitterShare on LinkedInSAP BASIS INTERVIEW QUESTIONS AND ANSWERS FOR EXPERIENCEDSAP BASIS INTERVIEW QUESTIONS AND ANSWERS FOR EXPERIENCED PDF DOWNLOADPrevious: SAP ABAP Interview Questions and answers for ExperiencedNext: Oracle Interview Questions and answers with examplesFacebookFacebookGoogle PlusGoogle +Demo VideoSAP FICO Online Training | Video Tutorials Smiley faceQuick Enquiry5+1=? BigClasses.com ReviewsBigClasses.com Reviews4 stars - based on 50 reviewsRSS | Sitemap | About Us | Testimonials | Terms of Use | Privacy Policy | Contact UsLearn From BigClasses 2015