CT-PT: Certified Tester Performance Testing

By ISTQB · Browse Mode
About the Exam

The CT-PT certification covers the principal aspects of performance testing, including technical, method-based, and organizational aspects. It is aimed at software testers and performance engineering professionals who want to broaden their knowledge or begin a specialist career in performance testing. Passing demonstrates knowledge of performance concepts, measurements, test activities, tasks, tools, and the ability to plan, execute, and analyze basic performance tests.

Exam Topics

  • Basic Concepts15%
  • Performance Measurement Fundamentals10%
  • Performance Testing in the Software Lifecycle30%
  • Performance Testing Tasks35%
  • Tools10%

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Last updated May 25, 2026 at 6:35 AM

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QuestionQ1

Basic Concepts

Which of the following is regarded as a characteristic of stress testing?

Explanation

Stress testing evaluates a system’s ability to handle loads that exceed its intended design or normal operating limits, revealing how it behaves at and beyond failure conditions.

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QuestionQ2

Basic Concepts

Which of the following represents a typical performance risk associated with mainframe architectures?

Explanation

API access can create variable, unpredictable workloads on a mainframe, potentially causing inconsistent load and performance. Storage speed, host configuration, and available memory are implementation-specific conditions rather than typical inherent risks of mainframe architecture.

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QuestionQ3

Basic Concepts

Which of the following is regarded as a common web-service protocol?

Explanation

REST is a common approach for web services and APIs, typically using HTTP methods to operate on resources. HTTP supplies the transport semantics, while REST identifies the web-service API style intended here.

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QuestionQ4

Performance Testing Tasks

Which of the following performance-script types measures network response times?

Explanation

Protocol-level scripts simulate client-server communications at the protocol layer, so their timing captures server and network response time without GUI rendering or other client-side processing. The ISTQB Performance Testing syllabus identifies protocol-level scripts as measuring server and network response time only.

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QuestionQ5

Tools

What is the main purpose of a load generator?

Explanation

A load generator simulates user activity according to the defined operational profile so that the system can be tested under representative workload conditions.

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