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To prepare for the CTFL-PT_D exam, candidates can take training courses offered by ISTQB accredited training providers. The training courses cover the exam syllabus and provide candidates with the necessary knowledge and skills to pass the exam. Candidates can also use study materials such as books, practice exams, and online resources to prepare for the exam. Successful completion of the CTFL-PT_D exam leads to the ISTQB Certified Tester Foundation Level - Specialist Performance Testing certification, which is a valuable credential for software testers seeking to enhance their career prospects in the field of performance testing.
ISQI CTFL-PT_D (ISTQB Certified Tester Foundation Level - Specialist Performance Testing) Certification Exam is designed for software testers who are looking to specialize in performance testing. CTFL-PT_D exam focuses on evaluating a tester's knowledge and skills in identifying performance issues, designing and executing performance tests, analyzing test results, and recommending improvements to enhance the performance of software applications. ISTQB Certified Tester Foundation Level - Specialist Performance Testing certification is an excellent choice for those who want to demonstrate their proficiency in performance testing and advance their career in the field.
ISQI CTFL-PT_D Exam Syllabus Topics:
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NEW QUESTION # 23
Identify the activity that is NOT part of the performance test preparation.
SELECT ONE OPTION
- A. Setting up the load generation and monitoring tools and making sure that all the necessary information will be collected.
- B. Virtualizing the servers.
- C. Deploying the environment.
- D. Setting up the system under test.
Answer: B
Explanation:
Virtualizing the servers is not typically part of performance test preparation. Performance test preparation generally involves activities such as deploying the test environment, setting up the system under test, and configuring load generation and monitoring tools to ensure accurate data collection. While virtualization can be an aspect of the overall infrastructure setup, it is not a direct step in preparing for performance testing. ISTQB performance testing guidelines emphasize setting up the environment, system, and tools specifically for performance test execution.
NEW QUESTION # 24
Identify the correspondences between the aspects (listed from 1 to 4) and factors to be considered (listed from A to D) when selecting performance testing tools.
1. Compatibility.
2. Scalability.
3. Understandability.
4. Monitoring.
1. Level of technical knowledge needed to use the tool.
2. Correlation of the monitoring with the defined transactions.
3. Protocols.
4. Ability to generate load from multiple points of presence.
SELECT ONE OPTION
- A. 1C-2D-3A-4B.
- B. 1B-2D-3A-4C.
- C. 1C-2D-3B-4A.
- D. 1D-2C-3A-4B.
Answer: A
Explanation:
The correct associations between the aspects and factors to be considered when selecting performance testing tools are:
1. Compatibility: Protocols. (C)
2. Scalability: Ability to generate load from multiple points of presence. (D)
3. Understandability: Level of technical knowledge needed to use the tool. (A)
4. Monitoring: Correlation of the monitoring with the defined transactions. (B) Reference:
* ISTQB Performance Testing Syllabus
* ISTQB Glossary
NEW QUESTION # 25
Refer to Base Scenario 1: When you refer to Base Scenario 1, 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).
* The project follows an iterative and Incremental development life cycle model.
* Development approach: Agile.
Question
Which of the statement(s) below is (are) TRUE regarding how the performance test is undertaken7
1. The performance test can have a dedicated iteration in a specific way.
2. Performance testing should be performed in a cloud-based performance test environment
3. The performance test may be conducted by a specific team.
4. A performance test cycle must be performed in each iteration by the development team (Agile).
SELECT ONE OPTION
- A. True statements: II, III.
- B. True statements: III, IV.
- C. True statements: IV.
- D. True statements: I, III.
Answer: B
Explanation:
In an Agile, iterative, and incremental development model:
* III: The performance test may be conducted by a specific team. This is true as dedicated performance testing teams often handle complex performance testing tasks.
* IV: A performance test cycle must be performed in each iteration by the development team (Agile). This ensures that performance testing is integrated into each iteration to catch performance issues early.
Statements I and II are not necessarily true:
* I: While possible, it is not always the case that there will be a dedicated iteration for performance testing.
* II: Performance testing in a cloud-based environment is beneficial but not mandatory.
Reference:
* ISTQB Performance Testing Syllabus
* ISTQB Agile Tester Extension Syllabus
NEW QUESTION # 26
(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
Assuming there is one boarding every 5 minutes, what should be the minimum front-end processing capacity of the system for the "departing passenger* user? It is assumed that there will be 12 peaks or maximums per hour.
SELECT ONE OPTION
- A. 100 * 12 + (60 -12) * (10.42 - 4.69) = 1.475.04 transactions/hour
- B. 100 * 12 + (60 -12) * 15.10 = 1,924.80 transactions/hour
- C. 100 * 12 + (60-12) *4.69 = 1,425.12 transactlons/hour
- D. 100 * 12 + (60 -12) * 10.42 = 1.700.16 transactions/hour
Answer: D
Explanation:
To calculate the minimum front-end processing capacity, we need to account for the peak and off-peak transactions:
1. Peak Transactions:
o Assume 12 peak periods per hour.
o During peak times, the transaction rate is 100 transactions/minute.
2. Off-Peak Transactions:
o There are 60 - 12 = 48 minutes of off-peak periods per hour.
o Off-peak transaction rate is 10.42 transactions/minute.
3. Total Transactions Per Hour:
o Peak transactions: 12 * 100 = 1,200 transactions.
o Off-peak transactions: 48 * 10.42 = 500.16 transactions.
o Total transactions per hour: 1,200 + 500.16 = 1,700.16 transactions/hour.
Thus, the correct answer is D. 100 * 12 + (60 - 12) * 10.42 = 1,700.16 transactions/hour.
NEW QUESTION # 27
(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. 1,218.75 departing passengers / hour.
- B. 625.00 departing passengers / hour.
- C. 187.50 departing passengers / hour
- D. 812.50 departing passengers / hour.
Answer: B
Explanation:
To calculate the number of departing passengers accessing the front-end only once to check in per hour, we follow these steps:
1. Total Departing Passengers in January:
o 465,000 passengers transported throughout January.
2. Duration of Operations in January:
o Operating hours: 07:00 to 23:00, which equals 16 hours per day.
o Total days in January: 31 days.
o Total operating hours in January: 31 days * 16 hours/day = 496 hours.
3. Passengers Per Hour:
o Total passengers: 465,000.
o Total hours of operation: 496 hours.
o Passengers per hour: 465,000 passengers / 496 hours = 937.5 passengers/hour.
4. Passengers Accessing Only Once for Check-In:
o 30% of departing passengers reconnect for a boarding pass, which means 70% access only once.
o Passengers accessing only once: 70% of 937.5 passengers/hour = 0.70 * 937.5 = 656.25 passengers/hour.
Given the available options, the closest correct value is C. 625.00 departing passengers / hour.
NEW QUESTION # 28
In which activity of the testing process are specific test conditions identified for performance testing?
SELECT ONE OPTION
- A. Test design.
- B. Test analysis.
- C. Test monitoring and control.
- D. Test planning.
Answer: B
Explanation:
In the testing process, specific test conditions for performance testing are identified during the Test Analysis phase. This phase involves reviewing and analyzing the test basis, such as requirements, architecture, and design, to identify the test conditions, which are the items or events of a component or system that could be verified by one or more test cases.
Reference:
* ISTQB Foundation Level Syllabus
* ISTQB Glossary
NEW QUESTION # 29
If George is testing in order to check the stability of a system for a specific period of time in an operational system context, what type of testing is MOST appropriate?
SELECT ONE OPTION
- A. Spike testing.
- B. Capacity testing.
- C. Load testing.
- D. Endurance testing.
Answer: D
Explanation:
Endurance testing, also known as soak testing, evaluates the stability and performance of a system over an extended period under a significant load. This type of testing is designed to identify issues such as memory leaks, resource depletion, and other long-term stability problems that may not be evident in shorter testing durations. According to ISTQB guidelines, endurance testing is essential for ensuring that the system can maintain performance and stability over time, especially in operational contexts.
NEW QUESTION # 30
In this question, consider that test scripts are generated from a protocol level recording. At the end of the recording, an attempt was made to execute the recorded scripts without any processing, and it was not possible to play them back.
Question
What could be the reason why it is not possible to play back the script?
SELECT ONE OPTION
- A. The test script has not been correlated.
- B. The lack of business logic.
- C. The missing Initialization section.
- D. The length of the script.
Answer: A
Explanation:
Correlation is a critical step in preparing performance test scripts, especially when they are generated from protocol-level recordings. It involves handling dynamic values (such as session IDs or tokens) that change with each user session or transaction. Without correlation, the script fails to handle these dynamic values correctly, leading to playback errors. According to ISTQB principles, ensuring scripts are properly correlated is essential for accurate and functional test execution.
NEW QUESTION # 31
Choose the option that BEST describes valid opportunities for the dynamic performance testing.
SELECT ONE OPTION
- A. During unit testing, including using or not profiling information to determine potential bottlenecks and white box techniques to evaluate resource utilization.
- B. 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.
- C. 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).
- D. During system testing of overall end-to-end behaviors under various load conditions.
Answer: D
Explanation:
System testing of overall end-to-end behaviors under various load conditions provides a comprehensive view of how the system performs in real-world scenarios. This type of testing captures interactions between components, identifies potential bottlenecks, and ensures that the system meets performance requirements under expected load conditions. ISTQB performance testing principles highlight the importance of end-to-end testing to validate that the system can handle the intended workloads effectively.
NEW QUESTION # 32
In which activity of the testing process is the scope of performance testing established?
SELECT ONE OPTION
- A. Test design.
- B. Test planning.
- C. Test monitoring and control.
- D. Test analysis.
Answer: B
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.
NEW QUESTION # 33
Identify the correspondences between the communication protocols used most frequently (listed from 1 to 5) in performance testing and the categories to which they belong to (A to C).
1.REST.
2. HTTP.
3. JDBC.
4. SOAP.
5. HTTPS.
1. Web service.
2. Database.
3. Web.
SELECT ONE OPTION
- A. 1A-2C-3A-4A- 5B.
- B. 1A-2C-3B-4A-5C.
- C. 1A-2B-3B-4C-5C.
- D. 1C - 2C - 3B - 4A - 5A.
Answer: B
Explanation:
* 1A: REST - Web service
* 2C: HTTP - Web
* 3B: JDBC - Database
* 4A: SOAP - Web service
* 5C: HTTPS - Web
This mapping accurately categorizes each protocol according to its common use in performance testing. REST and SOAP are typically used for web services, JDBC for database connectivity, and HTTP/HTTPS for web communications. Understanding these correspondences helps testers select the appropriate protocols for performance testing scenarios, as outlined in ISTQB guidelines.
NEW QUESTION # 34
(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 should make a presentation to the business stakeholders In order to explain the performance test plan.
Question
Which ONE of the following options contains information that should be included in Natalie's presentation to the business stakeholders?
SELECT ONE OPTION
- A. A performance test will be conducted to verify the management applications capability to support simultaneous, i.e concurrent, request peaks. The objective of this test (spike test) is to check that the system will be able to support the operations.
- B. A spike test shall be conducted in a test environment equivalent to the production environment. Passengers shall be removed from the production environment, disassociated and imported Into the test environment.
- C. A spike test shall be conducted in the performance test environment set up by the systems manager. Preparation includes installation from the clone of the virtual machine identified for this purpose.
- D. The cost of the spike test will be in line with the budget submitted by the cloud service provider. The test must take place in the planned timeframe and use the disassociation algorithm, that were previously agreed on.
Answer: A
Explanation:
When preparing a presentation for business stakeholders, it is essential to focus on high-level objectives and outcomes that align with business goals. In the context of performance testing, the stakeholders are primarily concerned with ensuring that the system can handle peak loads and maintain operational integrity.
* Option A talks about the setup of the test environment and the logistics of passenger data, which is too technical for business stakeholders.
* Option B focuses on budget and timeline, which are relevant but do not directly address the performance test's purpose and objectives.
* Option C clearly states the purpose of the performance test (spike test) and its objective, which is to verify that the system can support concurrent request peaks, directly aligning with business interests.
* Option D again focuses on technical details about the test environment setup, which is not the primary concern for business stakeholders.
Therefore, Option C is the most appropriate choice as it succinctly communicates the performance test's objective and its relevance to business operations.
NEW QUESTION # 35
Associate each type of performance test (listed from 1 to 5) with part of a description that allows its characterization and/or identification (listed from A to E).
1. Endurance testing
2. Scalability testing
3. Capacity testing
4. Stress testing
5. Concurrency testing
1. Type of testing focused on the ability of a system to meet future efficiency requirements.
2. Type of testing used to evaluate a system's ability to handle reduced availability of resources.
3. Type of testing focused on the stability of the system over a specific time frame.
4. Type of testing used to determine the number of transactions a given system will support while still meeting established performance objectives.
5. Type of testing focused on the impact of situations where specific actions occur simultaneously.
SELECT ONE OPTION
- A. 1B-2A-3D-4C-5E
- B. 1B-2E-3A-4D-5C
- C. 1C - 2A - 3D - 4B - 5E
- D. 1C-2D-3E-4B-5A
Answer: B
Explanation:
The correct associations are based on the definitions of each type of performance testing:
1. Endurance testing: Focused on the stability of the system over a specific time frame. (B)
2. Scalability testing: Focused on the ability of a system to meet future efficiency requirements. (E)
3. Capacity testing: Used to determine the number of transactions a given system will support while still meeting established performance objectives. (A)
4. Stress testing: Evaluates a system's ability to handle reduced availability of resources. (D)
5. Concurrency testing: Focused on the impact of situations where specific actions occur simultaneously. (C) Reference:
* ISTQB Performance Testing Syllabus
* ISTQB Glossary
NEW QUESTION # 36
Choose the ONE option that describes the example of a transaction. The scenario for this question is the transfer of an amount of money from one bank account to another.
SELECT ONE OPTION
- A. Request transfer of X Monetary Units from account K to account P; reduce the balance of account K by X Monetary Units; Increase the balance of account P by X Monetary Units. If the reduction and Increase have been correctly applied, then apply changes.
- B. Request transfer of X Monetary Units from account K to account P; decrease the balance of account K by X Monetary Units. If the reduction in account K has been correctly applied, then apply changes.
- C. Request transfer of X Monetary Units from account K to account P; increase the balance of account P by X Monetary Units. If the increase in account P has been correctly applied, then apply changes.
- D. Request transfer of X Monetary Units from account K to account P; reduce the balance of account K by X Monetary Units; increase the balance of account P by X Monetary Units. If the reduction or increase has been correctly applied, then apply changes
Answer: D
Explanation:
A transaction in performance testing involves a series of actions that need to be completed to ensure data consistency and correctness. Option D captures the complete and atomic nature of a transaction by ensuring that both the reduction in account K and the increase in account P are correctly applied before committing the changes. This reflects the principles of ACID (Atomicity, Consistency, Isolation, Durability) in database transactions, which are crucial for ensuring reliability and correctness in financial operations as covered in ISTQB performance testing standards.
NEW QUESTION # 37
Choose the VALID description of the ramp-up concept.
SELECT ONE OPTION
- A. Stage of finishing the test.
- B. Stage of reaching the stationary state.
- C. Stage of exit from a stationary state by increasing the number of concurrent users.
- D. Technique in which the load on the system is increased to a certain value in the shortest possible time.
Answer: C
Explanation:
Ramp-up in performance testing refers to the phase where the number of virtual users is gradually increased to simulate the increase in load on the system. This is essential for determining how the system behaves under varying levels of stress. The correct description of the ramp-up concept aligns with option C, which involves increasing the number of concurrent users to simulate a transition from a steady state to a higher load scenario.
Reference:
* ISTQB Performance Testing Syllabus
* ISTQB Glossary
NEW QUESTION # 38
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. Concurrency testing.
- B. Spike testing.
- C. Endurance testing
- D. Load testing.
Answer: B
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 # 39
Identify the correspondences between the different tools (listed from 1 to 3) and their objectives and characteristics (listed from A to F).
1. Load generator.
2. Load management console.
3. Monitoring tool.
1. It monitors, records and/or analyzes the behavior of the component or system under test.
2. It creates the load and also collects the metrics for later communication.
3. It provides the control to start and stop the creation and execution of the user simulation.
4. It aggregates metrics from the various transactions that are defined within the load instances
5. It creates and runs multiple client instances that simulate user behavior.
6. It can effectively support a root cause analysis of performance in a system under test.
SELECT ONE OPTION
- A. 1B- 1F-2C-2F-3A-3D.
- B. 1A- 1E-2A-2C-2D-3F.
- C. 1B-1E-2C-2D-3A-3F.
- D. 1B-1A-2A-2D-3C-3F
Answer: C
Explanation:
The correct associations between the tools and their objectives and characteristics are:
1. Load generator:
o 1B: It creates the load and also collects the metrics for later communication.
o 1E: It creates and runs multiple client instances that simulate user behavior.
2. Load management console:
o 2C: It provides the control to start and stop the creation and execution of the user simulation.
o 2D: It aggregates metrics from the various transactions that are defined within the load instances.
3. Monitoring tool:
o 3A: It monitors, records, and/or analyzes the behavior of the component or system under test.
o 3F: It can effectively support a root cause analysis of performance in a system under test.
Reference:
* ISTQB Performance Testing Syllabus
* ISTQB Glossary
NEW QUESTION # 40
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