Certified Associate in Software Testing (CAST) Practice Test

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What does Intersystem testing validate?

System performance against requirements
Data transfer between systems
System control measures
Parallel operation of systems

The correct answer is: Data transfer between systems

Intersystem testing specifically focuses on validating the data transfer between different systems or components that communicate with each other. This type of testing ensures that data is accurately and reliably exchanged between systems without loss, corruption, or unintended modifications. Given that multiple systems often need to interact and share data in today's interconnected environments, validating this transfer is crucial for ensuring overall system integrity and functionality. Intersystem testing checks various aspects such as data formats, data mapping, and communication protocols. It verifies that the right data is sent from one system to another and that the receiving system correctly interprets and processes this data as intended. Understanding this context clarifies the importance of validating data transfer in intersystem interactions, as successful communication is vital for seamless integration and operation across multiple systems.