ISQI CTFL-PT_D : ISTQB Certified Tester Foundation Level - Specialist Performance Testing

  • Exam Code: CTFL-PT_D
  • Exam Name: ISTQB Certified Tester Foundation Level - Specialist Performance Testing
  • Updated: Oct 27, 2026
  • Q & A: 42 Questions and Answers

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About ISQI CTFL-PT_D Exam Questions

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ISQI CTFL-PT_D Exam Syllabus Topics:

SectionObjectives
Performance Testing Tools- Tool Suitability and Selection Criteria
- Tool Support for Performance Testing
Basic Concepts of Performance Testing- Testing Types in Performance Testing
- Types of Performance Testing
- Principles of Performance Testing
- Common Performance Efficiency Failure Modes and Causes
- Concept of Load Generation
Performance Testing in the Software Lifecycle- Performance Risks Across the Software Development Lifecycle
- Categories of Performance Risk for Different Architectures
- Performance Testing Lifecycle Activities
Performance Testing Tasks- Analysis, Design and Implementation
- Execution of Performance Tests
- Analyzing Results and Reporting
- Planning Performance Tests
Performance Measurement Fundamentals- Key Sources of Performance Metrics
- Aggregating Results from Performance Testing
- Typical Metrics Collected in Performance Testing
- Typical Results of a Performance Test

ISQI ISTQB Certified Tester Foundation Level - Specialist Performance Testing Exam FAQs and Straight Answers

The CTFL-PT_D exam, officially titled ISTQB Certified Tester Foundation Level - Specialist Performance Testing, is the qualifying test for the Performance Testing certification from International Software Testing Qualifications Board (ISTQB), a credential at the Specialist level. Passing it proves you have the skills employers look for in certified professionals, and it can also support progress toward related credentials such as ISTQB Certified Tester Foundation Level (CTFL).

The ISQI ISTQB Certified Tester Foundation Level - Specialist Performance Testing exam gives you 90 minutes to work through 40 questions. That is a steady pace with little room for second-guessing, so train yourself to read each question once, flag the difficult ones, and keep moving. Before exam day, sit at least two full timed sessions in the ValidVCE test engine — when the clock feels familiar, it stops being a threat.

You need 65% (26/40) to pass, and the official registration fee is Varies by provider (check local ISTQB Member Board/exam provider). Fall short and you pay that fee in full again for every retake, which makes solid preparation the cheaper option by far. Work through the ValidVCE practice questions until you score comfortably above the passing mark, then book your seat.

Must hold ISTQB Certified Tester Foundation Level (CTFL) certificate before taking this exam Eligibility rules can change over time, so before you register, confirm the latest requirements on the official exam page: International Software Testing Qualifications Board (ISTQB) CTFL-PT_D exam overview.

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Your purchase is protected by a 100% money-back guarantee. If you sit the corresponding CTFL-PT_D exam within 60 days of buying and do not pass, send us a scan of your exam enrollment slip together with your official Score Report (PDF) within 2 days of the exam date — the candidate name must match the payer's name — and we will process your full refund within 7 days. Please note that exams taken within 3 days of purchase, materials downloaded without ever sitting the exam, free products, and expired orders are not covered. If you would rather not have a refund, you can exchange your order for two exam products of equal value, free of charge, and keep the update service on your original purchase.

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The ISQI ISTQB Certified Tester Foundation Level - Specialist Performance Testing syllabus is organized into 5 domains. The main areas include Performance Testing in the Software Lifecycle, Performance Testing Tools, and Performance Testing Tasks. Scroll up to the Exam Topics section above for the complete, current outline before you plan your study schedule.

ISQI ISTQB Certified Tester Foundation Level - Specialist Performance Testing Sample Questions:

Question #1

(REFER TO BASE SCENARIO 2): IV/rerj you refer to Base Scenario 2, you are referring to the description and only the description, without any modification.
Question specific constraints: (specific constraints are not part of the Base Scenario and are specific to this question).
Throughout the month of January (31 days), the company performed 3,100 departure operations from the Capital City Airport. These departure operations transported 465,000 passengers during the hours of operation, from 07:00 to 23:00.
The departing passengers (one of the most relevant operational profiles) will access the front-end of the application to check in for their flight. It is known that 30% of departing passengers reconnect after checking in to request the boarding pass to be resent or printed.
Question
A performance test will be carried out for which 11,700 transactions will be necessary to simulate an operation similar to that described in the base scenario and the restrictions of this question. How many virtual users will be necessary to achieve this number of transactions and the conditions of the operations?
SELECT ONE OPTION

  • A. 23,400
  • B. 9,000
  • C. 11,700
  • D. 8,500
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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Question #2

(REFER TO BASE SCENARIO 2): When you refer to Base Scenario 2, you are referring to the description and only the description, without any modification.
Question specific constraints: (specific constraints are not part of the Base Scenario and are specific to this question).
Throughout the month of January (31 days), the company performed 3,100 departure operations from the Capital City Airport. These departure operations transported 465,000 passengers during the hours of operation, from 07:00 to 23:00.
The departing passengers (one of the most relevant operational profiles) will access the front-end of the application to check in for their flight. It is known that 30% of departing passengers reconnect after checking in to request the boarding pass to be resent or printed.
Question
How many departing passengers access the front-end only once to check in per hour?
SELECT ONE OPTION

  • A. 625.00 departing passengers / hour.
  • B. 187.50 departing passengers / hour
  • C. 812.50 departing passengers / hour.
  • D. 1,218.75 departing passengers / hour.
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Explanation: Only visible for ValidVCE members. You can sign-up / login (it's free).

Question #3

Choose the option that BEST describes valid opportunities for the dynamic performance testing.
SELECT ONE OPTION

  • A. During acceptance testing, especially for data flows and workflows across key inter-system interfaces. In system integration testing, it is not uncommon for the "user* to be another system or machine (e.g. inputs from sensor inputs and other systems).
  • B. During unit testing, including using or not profiling information to determine potential bottlenecks and white box techniques to evaluate resource utilization.
  • C. During component Integration testing, across any kind of use cases and workflows, especially when integrating different use case features or Integrating with the "backbone" structure of a workflow.
  • D. During system testing of overall end-to-end behaviors under various load conditions.
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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Question #4

Select the option that identifies the possible causes of the degradation of a system's response over time during dynamic performance testing.
1. Disk fragmentation.
2. Network latency.
3. File repository growth.
4. Memory leaks.
5. Inadequate database design.
SELECT ONE OPTION

  • A. True options: II, III, V.
  • B. True options: I, II, IV.
  • C. True options: I, III, IV.
  • D. True options: II, III, IV.
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Explanation: Only visible for ValidVCE members. You can sign-up / login (it's free).

Question #5

ich ONE of the following options is a specific performance risk in mobile applications?
ONE OPTION

  • A. Slow data flow from sensors.
  • B. Inefficient Implementation of algorithms.
  • C. Limited resources.
  • D. Network congestion.
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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