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Review CT-PT Guide | CT-PT Certification Exam

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Review CT-PT Guide - Realistic 2025 ISTQB ISTQB Certified Tester - Performance Testing Certification Exam Pass Guaranteed

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ISTQB CT-PT Exam Syllabus Topics:

Topic
Details

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

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.

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

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.

ISTQB Certified Tester - Performance Testing Sample Questions (Q23-Q28):

NEW QUESTION # 23
Which of the following is considered a characteristic of stress testing?

A. It evaluates the system's ability to handle loads beyond its design limits.
B. It focuses on the system's ability to handle transactions over a specific timeframe.
C. Considers the system's ability to recover from a sudden increase of loads within the system's limits.
D. It determines the maximum number of transactions a system can handle.

Answer: A

Explanation:
Stress testing is designed to evaluate how a system behaves under extreme conditions, often exceeding its design limitations. The goal is to identify bottlenecks, memory leaks, and failures that occur beyond normal operating conditions.
Option A is incorrect because it refers to resilience testing, which focuses on recovery rather than stress beyond limits.
Option B is incorrect as it describes load testing, which measures performance under expected loads.
Option C is incorrect since determining the maximum transactions is a feature of capacity testing, not stress testing.

NEW QUESTION # 24
Which of the following could lead to inconsistent performance test results?

A. Expected results were not verified with senior management.
B. Concurrent scripts running and attempting to access the same data.
C. Sequential scripts running and attempting to access the same data.
D. Virtual users running the same script while logged in as the same user.

Answer: D

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 # 25
Which of the following is usually identified by a performance test?

A. Suitability issues
B. Failure to meet accessibility requirements
C. Learnability concerns
D. Resource bottlenecks

Answer: D

Explanation:
Performance tests primarily identify resource bottlenecks such as CPU saturation, memory leaks, network congestion, and database slowdowns.
Option B (Suitability issues) is a functional requirement concern, not a performance issue.
Option C (Learnability concerns) relates to usability testing, not performance.
Option D (Accessibility requirements) falls under compliance and usability testing, not performance testing.

NEW QUESTION # 26
Which of the following is a key reason to include ramp-up and ramp-down periods in a performance test?

A. To provide a buffer for slow-performing transactions to complete
B. To guarantee that all virtual users remain active throughout the test duration
C. To ensure virtual users complete their transactions within a defined time window
D. To simulate a more realistic user load pattern and avoid sudden system stress

Answer: D

Explanation:
A ramp-up period in a performance test gradually increases load over time, and a ramp-down period does the opposite. This prevents sudden surges in system load, making test results more realistic.
Option A (Ensuring transactions complete in a time window) is incorrect because ramp-up/down periods do not control transaction timing.
Option C (Providing a buffer for slow transactions) is incorrect because ramp-up/down is about load balancing, not transaction timing.
Option D (Keeping all virtual users active throughout the test) is incorrect because ramp-down periods reduce users gradually.

NEW QUESTION # 27
Which of the following is considered a common database protocol?

A. ODBC
B. MMS
C. SMP
D. JUNIT

Answer: A

Explanation:
ODBC (Open Database Connectivity) is a standard database protocol that enables applications to connect to and interact with databases regardless of vendor specifications.
Option B (JUNIT) is a unit testing framework, not a database protocol.
Option C (SMP - Symmetric Multiprocessing) relates to CPU architecture, not databases.
Option D (MMS - Multimedia Messaging Service) is related to mobile messaging, not database communication.

NEW QUESTION # 28
......

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