CTFL-PT_D Exam Dumps - iSQI ISQI certification Questions and Answers

To determine how many departing passengers access the front-end per hour, including those reconnecting:

Total Departing Passengers in January:

465,000 passengers transported throughout January.

Duration of Operations in January:

Operating hours: 07:00 to 23:00, which equals 16 hours per day.

Total days in January: 31 days.

Total operating hours in January: 31 days * 16 hours/day = 496 hours.

Passengers Per Hour:

Total passengers: 465,000.

Total hours of operation: 496 hours.

Passengers per hour: 465,000 passengers / 496 hours = 937.5 passengers/hour.

Including Reconnecting Passengers:

30% of departing passengers reconnect for a boarding pass.

Reconnecting passengers: 30% of 937.5 passengers/hour = 0.30 * 937.5 = 281.25 passengers/hour.

Total front-end accesses per hour: 937.5 + 281.25 = 1,218.75 passengers/hour.

Given the available options, the closest correct value isA. 1,425.00 departing passengers / hour.

Performance test scripts require meticulous verification and error handling to ensure they function as intended.

Statement III: Manual intervention may be required to carry out remedial action in the event of an error. This is true as certain errors might require human judgment to resolve.

Statement IV: Performance scripts should be subject to quality control and testing, just like any software product. This ensures the reliability and effectiveness of the performance test scripts.

Statements I, II, and V have inaccuracies:

Statement I: Verification using indirect methods can be necessary.

Statement II: While logical rules are important, they are not always mandatory.

Statement V: Default error handling may not be sufficient, and additional checks can be crucial.

References:

ISTQB Performance Testing Syllabus

ISTQB Advanced Test Automation Engineer Syllabus

II. Software configuration: Ensures the software under test is set up correctly, mirroring the production environment as closely as possible.

III. Test data: Provides the necessary inputs to simulate real-world scenarios and workloads.

V. Hardware configuration: Ensures the physical resources are adequately represented to gauge performance metrics accurately.

These elements are crucial for creating a realistic and effective performance testing environment. According to ISTQB standards, these components ensure that the testing environment accurately reflects production conditions, which is critical for obtaining valid and reliable performance test results.

Correlation is a critical step in preparing performance test scripts, especially when they are generated from protocol-level recordings. It involves handling dynamic values (such as session IDs or tokens) that change with each user session or transaction. Without correlation, the script fails to handle these dynamic values correctly, leading to playback errors. According to ISTQB principles, ensuring scripts are properly correlated is essential for accurate and functional test execution.

Virtualizing the servers is not typically part of performance test preparation. Performance test preparation generally involves activities such as deploying the test environment, setting up the system under test, and configuring load generation and monitoring tools to ensure accurate data collection. While virtualization can be an aspect of the overall infrastructure setup, it is not a direct step in preparing for performance testing. ISTQB performance testing guidelines emphasize setting up the environment, system, and tools specifically for performance test execution.

Transaction nesting allows performance testers to measure both individual activities within a transaction and the aggregate performance of the entire transaction. This is beneficial because it helps identify specific areas where performance issues may be occurring. By understanding both the granular and overall performance, testers can better pinpoint bottlenecks and optimize the system. This aligns with the ISTQB principles of comprehensive performance measurement and analysis to ensure system reliability and efficiency.

When presenting performance test results, it is vital to compare the collected metrics against the predefined acceptance criteria and highlight areas needing improvement.

Option Aincorrectly suggests that no improvement is required for completed transactions, even though the acceptance value isn't met.

Option Brightly states that improvements are required for completed transactions but incorrectly suggests no improvement is needed for check-in transactions.

Option Csuggests no improvements are needed for either metric, which is incorrect as both are below the acceptance values.

Option Dcorrectly identifies that both the percentage of completed transactions and the check-in transactions are below the acceptance values and require improvement.

Therefore, Option D accurately reflects the need for improvements in both metrics to meet the acceptance criteria.

Mobile applications often face performance risks due to the limited resources available on mobile devices, such as CPU, memory, battery, and network bandwidth. These constraints can significantly impact the performance of mobile applications, leading to slower response times and degraded user experiences. ISTQB performance testing guidelines emphasize considering the specific resource limitations of mobile environments to ensure comprehensive performance evaluation and optimization.

The main activities of performance test execution include:

I. Monitoring all parts of the environment: Ensures that performance metrics are collected from various components to provide a comprehensive view of the system’s performance.

III. Collecting and keeping all results and information related to the test: Essential for analyzing the performance test outcomes and identifying areas for improvement.

IV. Generation of a load against the SUT according to a load profile: Simulates the expected user load to assess how the system performs under typical and peak conditions.

These activities align with ISTQB guidelines, which emphasize thorough monitoring, data collection, and load generation as critical components of effective performance testing.

When presenting to technical stakeholders, it is crucial to provide detailed information about the setup, preparation, and execution of the performance test.

Option Atalks about the test environment and passenger data logistics, which, while technical, is not as focused on the specific setup for the spike test.

Option Bdetails the specific environment setup by the systems manager and the preparation steps, which are highly relevant to technical stakeholders who will be involved in or overseeing the technical aspects of the test.

Option Cagain focuses on budget and timeline, not technical details.

Option Dis more high-level about the purpose of the test, which is not as relevant for technical stakeholders who need the specifics of the test setup.

Thus, Option B is the best fit as it provides the necessary technical details for the spike test environment and preparation steps.