ISTQB CT-PT EXAM DISCOUNT VOUCHER, NEW CT-PT REAL TEST

ISTQB CT-PT Exam Discount Voucher, New CT-PT Real Test

ISTQB CT-PT Exam Discount Voucher, New CT-PT Real Test

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Tags: CT-PT Exam Discount Voucher, New CT-PT Real Test, Valid CT-PT Exam Simulator, CT-PT Dump Collection, CT-PT Exam Syllabus

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ISTQB CT-PT Exam Syllabus Topics:

TopicDetails
Topic 1
  • 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.
Topic 2
  • 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.
Topic 3
  • 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.
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.

ISTQB Certified Tester - Performance Testing Sample Questions (Q29-Q34):

NEW QUESTION # 29
You are managing a project that is testing a system that manages a newly redesigned jet engine for heavy aircraft. Given the fact that this engine is specifically engineered to reduce noise, it is important that the software maintains enough thrust for lift for a period of 5 minutes without exceeding 87.5dB. The software must achieve this independent of other internal systems such as fuel or navigation management.
Given the risk for the ability of the aircraft to meet the noise abatement regulations while still being able to fly, when is the optimum time in the software lifecycle to apply the performance testing?

  • A. Preferably at the end of system testing
  • B. Preferably at the end of unit testing
  • C. Preferably during each phase in the lifecycle
  • D. Preferably during system integration testing

Answer: C

Explanation:
Performance testing should be integrated into every phase of the software lifecycle to ensure that critical performance requirements (such as thrust-to-noise ratio) are met early and continuously validated.
Option B (End of system testing) is too late, as issues may be costly to fix at that stage.
Option C (During system integration testing) is useful but not comprehensive enough.
Option D (At the end of unit testing) is incorrect because unit tests do not assess overall system performance.


NEW QUESTION # 30
Which of the following is the best description of spike testing?

  • A. It focuses on the ability of the system to meet future efficiency requirements.
  • B. It focuses on the ability of the system to handle loads that are at or beyond the expected peak load.
  • C. It focuses on the ability of the system to respond to quick and extreme changes in load.
  • D. It focuses on the ability of the system to handle loads that are gradually increased to reach the expected maximum.

Answer: C

Explanation:
Spike testing is a type of performance testing that evaluates how a system responds to sudden, extreme increases or decreases in load. It is designed to simulate unexpected surges in user activity or workload, such as flash sales, viral events, or cyberattacks.
Option A (Gradual load increase testing) describes load testing, not spike testing.
Option B (Handling expected peak load) describes stress testing, which pushes the system to or beyond its limits but does not focus on sudden changes.
Option C (Meeting future efficiency requirements) relates to capacity planning rather than spike testing.
Spike testing helps to identify system bottlenecks, resource allocation issues, and performance degradation when traffic surges unexpectedly.


NEW QUESTION # 31
You are heading the testing effort for a system that manages the air/fuel ratio of direct-injection fuel devices built specifically for high-altitude rescue helicopter engines. At altitude, the system must be able to perform in order to make enough air/fuel ratio adjustments per millisecond between fuel and both an on-board source and available ambient air in order to prevent an engine stall due to oxygen starvation. The system is following a sequential development lifecycle.
For this safety-critical software, when is the appropriate point in the lifecycle to identify and define the performance goals?

  • A. During the requirements phase when the business stakeholders have the opportunity to agree
  • B. After test readiness has been achieved, but before system testing starts
  • C. During the software design phase when the requirements are set and the design is being defined
  • D. At the very beginning of the project during the concept stage

Answer: A

Explanation:
For safety-critical software, performance goals must be identified as early as the requirements phase. This ensures that performance constraints are well understood and accounted for throughout development.
Option A (After test readiness but before system testing) is too late, as requirements should be defined before coding begins.
Option C (During the concept stage) is too early, as details may not be concrete.
Option D (During software design) is useful but should be preceded by a proper definition during the requirements phase.


NEW QUESTION # 32
At what point during performance testing does monitoring with the load testing tool begin?

  • A. Simultaneously with test execution.
  • B. Before testing execution.
  • C. When testing is concluded.
  • D. Immediately after test execution.

Answer: A

Explanation:
Performance monitoring must begin simultaneously with test execution to capture system behavior in real-time. This ensures that bottlenecks and performance issues are identified immediately.
Option A (After testing is concluded) is incorrect because historical monitoring does not help in real-time analysis.
Option B (Before execution) is incorrect because monitoring needs active system load to measure performance.
Option C (Immediately after execution) is incorrect because it misses runtime metrics.


NEW QUESTION # 33
What is an advantage of aggregating the results of performance testing?

  • A. Testing is expedited when the results are aggregated.
  • B. Aggregated results provide more detail and allow for a more complete analysis of the test.
  • C. Aggregated results show when testing has been completed.
  • D. It is easier for stakeholders to draw a correct conclusion from aggregated results.

Answer: D

Explanation:
Aggregating test results helps stakeholders understand performance trends by combining data points from multiple test runs. This makes it easier to draw conclusions about system behavior.
Option A is incorrect because aggregation may reduce detailed visibility, not increase it.
Option B is incorrect because aggregation does not expedite testing itself.
Option D is incorrect because aggregated results do not indicate test completion.


NEW QUESTION # 34
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