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The CTFL-PT_D exam is a part of the ISTQB (International Software Testing Qualification Board) certification program, which is the most widely recognized software testing certification in the world. ISTQB Certified Tester Foundation Level - Specialist Performance Testing certification program aims to promote and improve software testing worldwide by providing a common language and framework for software testing professionals. The CTFL-PT_D Certification is one of the advanced-level certifications in the ISTQB program, and it is intended for professionals who have already obtained the ISTQB Foundation Level certificate.

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ISQI ISTQB Certified Tester Foundation Level - Specialist Performance Testing Sample Questions (Q27-Q32):

NEW QUESTION # 27
Base Scenario 2 : This Base Scenario 2 is used for 8 questions throughout this exam. When you refer to Base Scenario 2, you are referring to this description and only this description, without any modification.
Natalie works for a company that develops an online check-in management software for a major international airline.
Online check-in is available for passenger check-in from 24 to 1 hour before boarding time.
Once the registration is confirmed by the customer and the system, the information must be available to the rest of the types of users (flight managers, among others) in a maximum time of 3 seconds (it is expected that this temporal constraint is met in 90% of the transactions and that 90% of the transactions are completed at 100%).
At the beginning of the check-in window, there are peaks of 100 users per minute, for one minute.
Question
Which of the following options is a performance-related business objective that could be suitable for this project?
SELECT ONE OPTION

A. The system must have a completion time of up to three seconds for 2,000 concurrent users for updating passenger check-in data
B. The system must be able to support peak attendance of 1,000 users, considering that there cannot be more than two flights with overlapping schedules.
C. The system must be able to support 200 concurrent users with a response time of one second for the issuance of the boarding pass, considering that the fleet is likely to have a very high percentage of medium size aircraft.
D. The system must be capable of supporting peak concurrent users in excess of 6,000 users per hour for one minute, accessing check-in without performance degradation, considering that peaks must not exceed a value that exceeds the processing capacity of the system.

Answer: D

Explanation:
Given the scenario of online check-in with peak user activity, the most suitable performance-related business objective would be to ensure that the system can handle a high number of concurrent users within a short period without performance degradation. Option A directly addresses the requirement to support peak loads while maintaining system performance, which aligns with the specified peak of 100 users per minute.
Reference:
* ISTQB Performance Testing Syllabus
* ISTQB Glossary

NEW QUESTION # 28
Identify the correspondences between architectures (from 1 to 4) and their characteristic risks (from A to D).
1. Dynamlc/cloud-based systems.
2. Client-server systems.
3. Multi-Tier systems.
4. Distributed systems.
1. Potential problems due to firewalls, packet inspection and server load balancing.
2. Critical workflows or dataflows to, from, or through unreliable or unpredictable remote servers, especially when such servers suffer periodic connection problems or intermittent periods of intense load.
3. Failures related to the correct configuration of features such as distribution, virtualization and scaling, during the Initial configuration or subsequent updates.
4. Inadequate bandwidth or capacity on any individual server.
SELECT ONE OPTION

A. 1C-2A-3D-4B.
B. 1A-2C-3D-4B.
C. 1C - 2B - 3D - 4A.
D. 1D-2A-3C-4B

Answer: A

Explanation:
The characteristic risks associated with different architectures are as follows:
1. Dynamic/cloud-based systems: Critical workflows or dataflows to, from, or through unreliable or unpredictable remote servers, especially when such servers suffer periodic connection problems or intermittent periods of intense load. (C)
2. Client-server systems: Potential problems due to firewalls, packet inspection, and server load balancing. (A)
3. Multi-Tier systems: Failures related to the correct configuration of features such as distribution, virtualization, and scaling, during the initial configuration or subsequent updates. (D)
4. Distributed systems: Inadequate bandwidth or capacity on any individual server. (B) Reference:
* ISTQB Performance Testing Syllabus
* ISTQB Glossary

NEW QUESTION # 29
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: III, IV.
B. True statements: II, III.
C. True statements: IV.
D. True statements: I, III.

Answer: A

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 # 30
Identify the activity that is NOT part of the performance test preparation.
SELECT ONE OPTION

A. Deploying the environment.
B. Setting up the load generation and monitoring tools and making sure that all the necessary information will be collected.
C. Virtualizing the servers.
D. Setting up the system under test.

Answer: C

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 # 31
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. During the analysis and design activities as well as, again, before each performance test cycle.
B. During the requirements activities and again before running the performance test.
C. Repeatedly throughout the development phases (including requirements activities) and the performance test itself.
D. After design but before coding.

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 # 32
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