Testing / Apache JMeter Interview questions
What is a Config Element in JMeter?
A Config Element provides shared configuration or default values that other elements in the test plan can use, without needing to repeat that configuration on every single sampler individually.
Common examples include HTTP Request Defaults (setting a shared server hostname and port so individual HTTP samplers don't need to repeat it), CSV Data Set Config (feeding external data into the test), and User Defined Variables (declaring reusable variables at the start of a test).
Config Elements don't generate any requests themselves; they exist purely to configure or supply data to the samplers and other elements that do the actual work.
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