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The mainframe is high  performance  and high speed computer which can be used for larger scale of computing purposes like finance, insurance, retail where enormous  data  is processes many times. The mainframe testing is similar to  web based testing . It is procedure to test mainframe systems. The mainframe testing is done on the deployed code for various data combinations set into input file. The software applications that run on the mainframe can be accessed by terminal emulator, which is a software needed to be installed on the client machine. While performing this mainframe testing, the tester needs to know the navigations of the CICS screen. The attributes of mainframe are: Viral storage: It is a procedure which lets the processor to simulate the main storage which is larger than the actual storage. It is a technique to use memory effectively to store and execute various sized jobs. It uses the disk storage space for an extension of real storage. Multiprogramming: The comput

Operational testing is a type of testing which confirms that product, system, service and process meets operational requirements. Operational requirements include  performance , security, stability,  maintainability , accessibility,  interoperability , backup and recovery. It is type of  non functional  acceptance testing. The types of operational testing are: Component testing: In this type of testing each component is tested independently to find the defects and verify the functionality of the product. Fail over testing : This type of testing mainly focuses on validating the product’s ability to allocate resources and the operations are moved to the backup systems. Functional stability: The main team is concerned with ensuring the accessibility, stability and usability of the software product. IT service management: The team is busy validating the supportability of the software. Portability testing: The team performs this type of testing to focus on the aspects like compati

The SAP means Systems, Applications and Products in data processing. It provides the ability to customers, to interact with the corporate  databases  for a comprehensive range of applications. The SAP testing is application testing. Here the application is SAP ERP software. ERP is Enterprise Resource Planning. The customers can run the business process using ERP software. SAP was started by five former employees of IBM, in the year 1972, in Germany. The various versions are released since then, R/1, R/2, R/3, mySAP, SAP netWeaver, SAP business suite. In SAP testing, the functional knowledge you acquire is portable and can be used in other projects. For example, if you are switching job in your old company or if you were testing billing software for telecom service provider, what is the possibility that the same project is available in your new company. Now in case, that your are switching from SAP testing project to another SAP testing project in your new company. You instantly r