Simulation of real user behavior by using dynamic data returned by the server is called -------------------
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Parameterization
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Correlation
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Rendezvous
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None of the above
Correlation handles dynamic values that the server generates and sends back to the client, such as session IDs, CSRF tokens, or dynamic form fields. The script must capture these server-generated values and reuse them in subsequent requests. Unlike parameterization (input data), correlation deals with server-response data.
Correlation in performance testing tools like LoadRunner is the technique of capturing dynamic values returned by the server (such as session IDs or tokens) during a recorded session and substituting them back into subsequent requests, so replayed scripts mimic real user behavior against a server that generates different dynamic data each time. Parameterization, by contrast, feeds varying input data supplied by the tester rather than data returned by the server.