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The CTFL-PT_D certification exam is based on the ISTQB (International Software Testing Qualifications Board) syllabus and is recognized globally. CTFL-PT_D exam is designed to assess the candidate's knowledge and understanding of the concepts and techniques of performance testing. CTFL-PT_D Exam consists of 40 multiple-choice questions that must be answered within an hour. CTFL-PT_D exam is conducted online and is proctored to ensure the integrity of the certification process.

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ISQI ISTQB Certified Tester Foundation Level - Specialist Performance Testing Sample Questions (Q31-Q36):

NEW QUESTION # 31
(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. 9,000
B. 8,500
C. 23,400
D. 11,700

Answer: D

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.

NEW QUESTION # 32
What are the main activities of performance test execution?
1. Monitoring all parts of the environment.
2. Setting up the load generation and monitoring tools.
3. Collecting and keeping all results and information related to the test.
4. Generation of a load against the SUT according to a load profile.
5. Parameterize the test scripts.
6. Setting up the system under test.
SELECT ONE OPTION

A. The following are performance test activities: III, IV.
B. The following are performance test activities: I, III, VI.
C. The following are performance test activities: I, III. IV.
D. The following are performance test activities: I. V, VI.

Answer: C

Explanation:
The main activities of performance test execution include:
* I. Monitoring all parts of the environment: Ensures that performance metrics are collected from various components to provide a comprehensive view of the system's performance.
* III. Collecting and keeping all results and information related to the test: Essential for analyzing the performance test outcomes and identifying areas for improvement.
* IV. Generation of a load against the SUT according to a load profile: Simulates the expected user load to assess how the system performs under typical and peak conditions.
These activities align with ISTQB guidelines, which emphasize thorough monitoring, data collection, and load generation as critical components of effective performance testing.

NEW QUESTION # 33
(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

A. The 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.
B. The 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.
C. The 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.
D. The 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.

Answer: C

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.

NEW QUESTION # 34
If Emily is conducting a performance test to determine that a system exposed to a load can respond to a high number of concurrent users during short periods of time that occur on specific days and at specific times, and then return to a stable state.
What type of performance testing is Emily conducting?
SELECT ONE OPTION

A. Load testing.
B. Endurance testing
C. Concurrency testing.
D. Spike testing.

Answer: D

Explanation:
Spike testing involves subjecting a system to a significant increase in load for short periods of time to determine if it can handle sudden spikes in traffic. Emily's scenario of testing a system's response to a high number of concurrent users during specific periods and then returning to a stable state fits the description of spike testing.
Reference:
* ISTQB Performance Testing Syllabus
* ISTQB Glossary

NEW QUESTION # 35
Base Scenario 1: This Base Scenario 1 is used for 2 questions throughout this exam. When you refer to Base Scenario 1, you are referring to this description and only this description, without any modification.
k given project for the development of a management software that will have a multilayer architecture will enable Its users to Install it in multiple locations, nationally and internationally - each installation can operate Independently and communicate with other instances in a selective way. Each installation shall have a high processing capacity.
Question specific constraints: (specific constraints are not part of the Base Scenario and are specific to this question).
* The project follows a sequential development life cycle model.
Question
Which is the right moment in the project to analyze and evaluate the performance risks?
SELECT ONE OPTION

A. After design but before coding.
B. During the analysis and design activities as well as, again, before each performance test cycle.
C. Repeatedly throughout the development phases (including requirements activities) and the performance test itself.
D. During the requirements activities and again before running the performance test.

Answer: C

Explanation:
Performance risks should be analyzed and evaluated continuously throughout the development lifecycle, especially in projects with high processing capacity and independent operation across multiple locations. This ongoing evaluation helps to identify and mitigate risks early and adapt to any changes that occur during development.
Reference:
* ISTQB Performance Testing Syllabus
* ISTQB Advanced Level Test Manager Syllabus

NEW QUESTION # 36
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