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To determine the number of virtual users necessary for the performance test:

Total Transactions Needed:

11,700 transactions are required to simulate the operation.

Conditions of Operations:

The simulation should reflect the realistic load of departing passengers accessing the front-end application.

Virtual Users:

The number of virtual users required is equal to the total number of transactions to be generated in the test since each virtual user performs one transaction.

Thus, the correct answer isB. 11,700virtual users will be necessary to achieve the specified number of transactions under the given conditions.

Generating load through the User Interface (UI) is essential to replicate a real production environment accurately. This approach simulates real user interactions with the system, providing a more realistic assessment of how the system performs under actual usage conditions. According to ISTQB standards, using the UI to generate load helps identify performance issues that users might experience, ensuring that the test results are relevant and actionable.

Endurance testing, also known as soak testing, evaluates the stability and performance of a system over an extended period under a significant load. This type of testing is designed to identify issuessuch as memory leaks, resource depletion, and other long-term stability problems that may not be evident in shorter testing durations. According to ISTQB guidelines, endurance testing is essential for ensuring that the system can maintain performance and stability over time, especially in operational contexts.