Multiple choice technology performance

Which amongst the following is not a valid Sampler in JMeter

  1. HTTP Request

  2. Junit Request

  3. WebService (SOAP) Request

  4. Web Socket Sampler
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

HTTP Request, JUnit Request, and WebService (SOAP) Request are all core JMeter samplers. Historically, WebSocket Sampler required a plugin and was not part of the core distribution, which is why it's marked as 'not valid' in this context. Note: Modern JMeter versions (4.x+) include WebSocket support, but this question reflects an earlier version.

AI explanation

JMeter ships with built-in samplers such as HTTP Request, JUnit Request, and WebService (SOAP) Request, but a native 'Web Socket Sampler' isn't one of them — WebSocket testing in JMeter requires adding a third-party plugin (like the WebSocket Samplers plugin), so it isn't a valid out-of-the-box sampler type.

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