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Details |
| Topic 1 |
- Common Failures in Performance Testing and Their Causes: This section of the exam measures the skills of Performance Engineers and outlines frequent failure modes, including slow responses at various load levels, degraded performance over time, and system crashes under peak conditions. It provides examples of underlying causes such as resource leaks, insufficient capacity, and poor handling of spikes or concurrency, illustrating why robust planning and monitoring are crucial for reliable performance.
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| Topic 2 |
- The Concept of Load Generation: This section of the exam measures the skills of Software Test Analysts and discusses how representative loads are modeled and produced to simulate user or process behavior. It explores methods such as user interface inputs, crowdsourcing, API-based calls, or protocol capture and playback, emphasizing the need for repeatable loads that accurately reflect real-world conditions.
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| Topic 3 |
- Types of Performance Testing: This section of the exam measures the skills of Software Test Analysts and covers various approaches such as load, stress, scalability, spike, endurance, concurrency, and capacity testing. It explains how each type evaluates system behavior under different conditions, helping testers and stakeholders understand how the system handles both expected and extreme usage scenarios.
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| Topic 4 |
- Testing Types in Performance Testing: This section of the exam introduces the distinction between static and dynamic performance testing. It shows how reviews of requirements, architecture, and code can identify risks before coding is complete, and how runtime checks of resource utilization and response times reveal issues that only appear when the system is in operation.
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CT-PT Exam Questions And Answers, Exam CT-PT Blueprint
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ISTQB Certified Tester - Performance Testing Sample Questions (Q36-Q41):
NEW QUESTION # 36
Which of the following is a typical performance risk associated with mainframe architectures?
- A. Misconfigured host machine
- B. Slow hard disk speed
- C. Lack of RAM
- D. Inconsistent loads when accessed via APIs
Answer: B
Explanation:
One of the key performance risks in mainframe architectures is slow hard disk speed, which can impact transaction processing, batch jobs, and database access times.
Option A (Inconsistent loads via APIs) is more relevant to distributed or cloud architectures rather than mainframes.
Option C (Misconfigured host machine) is a configuration issue, not a typical performance risk.
Option D (Lack of RAM) is less common in mainframes, which typically use optimized memory management.
NEW QUESTION # 37
Which of the following is a general principle of performance testing?
- A. Test results must be comparable to tester expectations.
- B. Tests must be executable within the project timeframe.
- C. Tests must align with the ideal outcome of stakeholders.
- D. Test results must vary when the tests are run repeatedly on an unchanged system.
Answer: B
Explanation:
Performance testing is time-sensitive and must be designed to fit within the constraints of the project timeline. If performance tests take too long to execute, they may not be feasible within a given sprint or development cycle. The results should be reproducible, meaning the same test on an unchanged system should yield the same results (making option C incorrect). While stakeholder expectations are important, performance tests should be objective and based on defined benchmarks rather than subjective expectations (making option D incorrect).
NEW QUESTION # 38
What challenge must be considered when using crowds to emulate load generation?
- A. The load generation will be difficult to reproduce.
- B. The load generation method is less sensitive to changes in the III.
- C. This technique is more precise than other methods of load generation.
- D. This type of load generation is more suitable for mainframe applications.
Answer: A
Explanation:
Crowd-based load generation involves using distributed users (e.g., cloud-based testers or real users). The main challenge is that the load generation can be difficult to reproduce consistently due to variations in network conditions, device types, and user behavior.
Option B is incorrect because load generation methods should adapt to system changes.
Option C is incorrect since mainframe applications typically do not rely on crowd-based testing.
Option D is incorrect because crowd-sourced load testing is generally less precise than scripted load testing.
NEW QUESTION # 39
You are managing the testing efforts of an existing distributed system that manages inventories of automobile and light truck tires from multiple warehouses across the country. The system is being enhanced to track incoming restocking shipments at the point of entry to the warehouse and outbound sales shipments at the point of shipment from the warehouse, all of which are executed in real-time. System loads traditionally peak on Mondays due to built-up demand from the previous weekend.
You are preparing a presentation to the business stakeholders, outlining your performance testing strategy.
Which of the following is appropriate to present to this audience?
- A. A comprehensive list of support staff to be available during performance testing, including key members of the application development team
- B. The risks that may exist due to platform differences between the test environment and the production environment
- C. Established HTTP response per second goals that will have acceptable minimum, maximum, and average response times
- D. A test plan that includes specific technical specifications for the computing hardware to be used for performance testing
Answer: B
Explanation:
Business stakeholders are most concerned with risks that affect deployment and production stability. The primary risk in performance testing is that the test environment may differ from production, leading to misleading test results.
Option A (HTTP response goals) is too technical for a business stakeholder audience.
Option B (Hardware specifications) is relevant for technical teams, not business stakeholders.
Option C (Support staff details) is a logistical aspect, not a key performance testing risk for business decision-makers.
NEW QUESTION # 40
Which of the following could lead to inconsistent performance test results?
- A. Concurrent scripts running and attempting to access the same data.
- B. Virtual users running the same script while logged in as the same user.
- C. Expected results were not verified with senior management.
- D. Sequential scripts running and attempting to access the same data.
Answer: B
Explanation:
If multiple virtual users execute the same script while logged in as the same user, it can cause data conflicts, session collisions, or cache interference, leading to inconsistent performance test results.
Option A (Concurrent scripts accessing the same data) may cause data locking issues, but this is a test setup concern rather than an inconsistency issue.
Option B (Sequential scripts accessing the same data) does not typically cause inconsistencies since they execute in order.
Option D (Verification with management) is unrelated to technical inconsistencies.
NEW QUESTION # 41
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