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iSQI ISTQB Certified Tester Foundation Level - Specialist Performance Testing CTFL-PT_D Exam

Attempt the ISTQB Certified Tester practice test and solve real exam-like CTFL-PT_D questions to prepare efficiently and increase your chances of success. Our iSQI CTFL-PT_D practice questions match the actual ISTQB Certified Tester Foundation Level - Specialist Performance Testing exam format, helping you enhance confidence and improve performance. With our CTFL-PT_D practice exam software, you can analyze your performance, identify weak areas, and work on them effectively to boost your final ISTQB Certified Tester exam score.

Vendor:	iSQI
Exam Name:	ISTQB Certified Tester Foundation Level - Specialist Performance Testing
Registration Code:	CTFL-PT_D
Related Certification:	iSQI ISTQB Certified Tester Certification
Exam Audience:	Customer Service Administration Manager,

Total Questions

Last Updated

26-05-2026

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Question: 1

(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).

Natalie has run a performance test cycle. The following metrics have been collected:

Total virtual users: 10,000.

* Status of the simulated users.

o Total number of users for whom all transactions have been completed: 89%.

* Transaction response time, o Check-in

Response time < 1 second: 60%

Response time < 2 seconds: 70%

Response time < 3 seconds: 88%

Response time < 5 seconds: 90%

Response time < 10 seconds: 95%

Question

Given this information, how should Natalie present the results to those involved?

SELECT ONE OPTION

AThe percentage of completed transactions is so close to the acceptance value that no improvement is required. The transactions associated with the check-in are below the acceptance value, a minimum improvement is required.

BThe percentage of completed transactions is close to the acceptance value, an improvement is required. The transactions associated with the check-in are close to the acceptance value, no Improvement is required.

CThe percentage of completed transactions is close to the acceptance value, no improvement is required. The transactions associated with the check-in are below the acceptance value, no improvement is required.

DThe percentage of completed transactions is close to the acceptance value, an improvement is required. The transactions associated with the check in are below the acceptance value, an improvement is required.

Answer: D

Explanation:

When presenting performance test results, it is vital to compare the collected metrics against the predefined acceptance criteria and highlight areas needing improvement.

* Option A incorrectly suggests that no improvement is required for completed transactions, even though the acceptance value isn't met.

* Option B rightly states that improvements are required for completed transactions but incorrectly suggests no improvement is needed for check-in transactions.

* Option C suggests no improvements are needed for either metric, which is incorrect as both are below the acceptance values.

* Option D correctly identifies that both the percentage of completed transactions and the check-in transactions are below the acceptance values and require improvement.

Therefore, Option D accurately reflects the need for improvements in both metrics to meet the acceptance criteria.

Question: 2

Choose the MOST suitable description of the structure of a performance test script

SELECT ONE OPTION

AThe Initialization section Is the section in which everything Is prepared for the main part, the main sections are executed only once, because If It is necessary to repeat any action the whole script or part of it must be repeated and the clean-up section Is the section where the necessary steps are carried out to finish the test correctly.

BThe clean-up section Is the section in which everything is prepared for the main part In order to comply with the preconditions, the main sections can be executed several times and the completion section is the section that takes care of recording the results In the corresponding repository.

CThe initialization section Is the section in which everything Is prepared for the main part, the main sections can be executed several times and the finalization section is the section in charge of registering the results In the corresponding repository.

DThe Initialization section is the section in which everything Is prepared for the main part, the main sections can be executed several times and the clean-up section is the section where the necessary steps are carried out to finish the test correctly.

Answer: D

Explanation:

A performance test script generally consists of three main sections:

* Initialization: This section sets up the preconditions and prepares the system for the main test actions. It ensures that the environment and the test are ready to execute.

* Main section: This is where the core test actions occur. These actions can be executed multiple times to simulate different loads and scenarios.

* Clean-up: This section includes steps to properly close the test, such as releasing resources, resetting states, and logging results.

This structure ensures that performance tests are conducted systematically and efficiently, as emphasized by ISTQB performance testing standards.

Question: 3

In which activity of the testing process is the scope of performance testing established?

SELECT ONE OPTION

ATest analysis.

BTest design.

CTest planning.

DTest monitoring and control.

Answer: C

Explanation:

The scope of performance testing is established during the test planning phase. During this phase, testers define the objectives, resources, schedule, and scope of the testing activities. This includes identifying the specific performance requirements, determining the test environment, and outlining the test strategy. According to ISTQB guidelines, effective test planning ensures that the performance testing efforts are aligned with the project goals and stakeholder expectations, setting a clear direction for subsequent testing activities.

Question: 4

Which elements are the MOST important parts of a performance testing environment?

1. Test scripts.

2. Software configuration.

3. Test data.

4. The type of environment (physical, cloud-based, virtualized).

5. Hardware configuration.

SELECT ONE OPTION

AIII, V are the most important parts of the test environment.

BII. IV are the most important parts of the test environment.

CII. III. V are the most important parts of the test environment.

DII, V are the most important parts of the test environment.

Answer: C

Explanation:

* II. Software configuration: Ensures the software under test is set up correctly, mirroring the production environment as closely as possible.

* III. Test data: Provides the necessary inputs to simulate real-world scenarios and workloads.

* V. Hardware configuration: Ensures the physical resources are adequately represented to gauge performance metrics accurately.

These elements are crucial for creating a realistic and effective performance testing environment. According to ISTQB standards, these components ensure that the testing environment accurately reflects production conditions, which is critical for obtaining valid and reliable performance test results.

Question: 5

(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

A23,400

B11,700

C9,000

D8,500

Answer: B

Explanation:

To determine the number of virtual users necessary for the performance test:

1. Total Transactions Needed:

o 11,700 transactions are required to simulate the operation.

2. Conditions of Operations:

o The simulation should reflect the realistic load of departing passengers accessing the front-end application.

3. Virtual Users:

o The number of virtual users required is equal to the total number of transactions to be generated in the test since each virtual user performs one transaction.

Thus, the correct answer is B. 11,700 virtual users will be necessary to achieve the specified number of transactions under the given conditions.

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