The Concept of Load Generation CT-PT Practice Questions (Page 1)

Questions 1–5

1. 1application · medium

   A performance test is being run against a production system during off-peak hours. The test team is using load generators located in the same data center as the application. The results show excellent response times, but the team is concerned the results are not representative. What is the primary reason for this concern?

   • AThe test environment does not include the network latency and infrastructure of the real user path.
   • BThe test is running during off-peak hours, so the application is not under real-world conditions.
   • CThe load generators are not powerful enough to simulate the required load.
   • DThe production system is not configured for testing, so results are invalid.
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2. 2expert · hard

   A team is using a load generation tool that supports both script-based and record-and-replay approaches. They need to test a web application that uses a JavaScript-heavy single-page application (SPA). The recorded script captures the initial page load but does not capture the subsequent API calls made by the JavaScript. What is the best approach to ensure the test accurately simulates user behavior?

   • AManually add the API calls to the recorded script to simulate the SPA's behavior.
   • BUse the recorded script as-is, since it captures the initial page load.
   • CIncrease the number of virtual users to compensate for the missing API calls.
   • DUse a different tool that can execute JavaScript.
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4. 3foundation · easy

   What is a virtual user in load generation?

   • AA software tool that monitors system performance during the test
   • BA real user who is manually performing actions on the system during the test
   • CA script that generates random data to test the system's input validation
   • DA simulated user that executes a script to emulate real user behavior and generate load
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5. 4foundation · easy

   What is a spike load in performance testing?

   • AA load that exceeds the system's maximum capacity to test failure behavior
   • BA sudden, sharp increase in load to test how the system handles abrupt peaks
   • CA gradual increase in load over time to find the system's breaking point
   • DA constant load maintained for a long duration to test stability
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6. 5application · medium

   A test team needs to generate load against a legacy mainframe application that uses a proprietary terminal protocol. The team has access to JMeter, LoadRunner, and Gatling. Which approach is most appropriate for generating realistic load?

   • AUse JMeter because it is open-source and can record any protocol via its proxy.
   • BUse Gatling because it is highly scalable and can simulate any protocol with Scala scripts.
   • CUse LoadRunner because it supports a wide range of protocols, including legacy terminal emulation.
   • DUse JMeter with the TCP sampler to send raw terminal commands.
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