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Pass Guaranteed 2025 ISQI CTFL-AT: ISTQB Certified Tester - Foundation Level Extension - Agile Tester–Efficient Labs

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ISQI CTFL-AT exam is a valuable certification for software testers who want to enhance their knowledge and skills in agile testing. With this certification, testers can demonstrate their proficiency in agile testing methodologies and increase their career opportunities.

ISQI CTFL-AT (ISTQB Certified Tester - Foundation Level Extension - Agile Tester) Exam is a globally recognized certification program designed to validate the knowledge and skills of software testers in Agile methodologies. CTFL-AT Exam is a natural extension of the ISTQB Foundation Level certification program and is ideal for those who want to demonstrate their expertise in Agile testing. The ISQI CTFL-AT Exam is an objective-based exam that measures knowledge and understanding of Agile testing principles, practices, and techniques.

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The CTFL-AT exam is designed for software testers, test analysts, test engineers, test managers, and anyone involved in Agile testing projects. ISTQB Certified Tester - Foundation Level Extension - Agile Tester certification is suitable for those who are new to Agile testing and those who have experience in Agile projects. The CTFL-AT Certification is a valuable addition to the tester's resume as it demonstrates their knowledge and skills in Agile testing methodologies.

ISQI ISTQB Certified Tester - Foundation Level Extension - Agile Tester Sample Questions (Q69-Q74):

NEW QUESTION # 69
Iteration planning for Sprint 5 of your current project is complete. The plan for the sprint is to increase performance of the system, which of the following acceptance criteria would you expect for Sprint 5?
1) User access for all roles has been validated.
2) A static analysis tool has been executed for all code.
3) 100% of the existing regression test suite has passed.
4) System is responding in less than 3 seconds, 90% of the time.
5) A new version of internet Explorer has been included.

A. 1, 3
B. 4, 5
C. 3, 4
D. 2, 5

Answer: C

Explanation:
Explanation
The acceptance criteria for a sprint are the conditions that must be met for the user stories to be considered done and deliver value to the customer1. The acceptance criteria should be specific, measurable, achievable, relevant, and testable2. In this case, the plan for the sprint is to increase performance of the system, so the acceptance criteria should reflect that goal. Therefore, the acceptance criteria that would be expected for Sprint
5 are:
100% of the existing regression test suite has passed. This criterion ensures that the system has not introduced any new defects or broken any existing functionality while improving performance3.
System is responding in less than 3 seconds, 90% of the time. This criterion defines a clear and quantifiable performance target that can be verified by testing4.
The other options are not relevant or appropriate acceptance criteria for Sprint 5:
User access for all roles has been validated. This criterion is not related to the performance of the system, but rather to the security or functionality of the system. It might be an acceptance criterion for a different sprint or user story, but not for Sprint 55.
A static analysis tool has been executed for all code. This criterion is not a customer

NEW QUESTION # 70
Why is regression of software a high risk in agile projects?

A. Test automation can cause regression of software in the test environment.
B. Regression is built into software as a safeguard against unexpected failures.
C. There is code churn due to change in business needs over several sprints.
D. Test-driven development means that existing functionality is not considered.

Answer: C

NEW QUESTION # 71
Consider the following acceptance criterion associated to a user story:
"A maximum of 0.0002 failures per hour in the specified operational conditions over at least ten days of testing must be achieved." Which of the following aspects of testability is best described in this acceptance criterion?

A. Functional behavior
B. Scenarios
C. Quality characteristics
D. External interfaces

Answer: C

Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
FromCTFL-AT Syllabus v4.0, Section 2.1Acceptance Criteria and Testability, and Section 3.1:
"Acceptance criteria may also address non-functional quality characteristics such as reliability, performance, and usability." The criterion referencesfailure rate over time, which is areliability attribute, makingOption D (Quality characteristics)the correct answer.
* Option A(Scenarios) refers to usage paths.
* Option Brefers to functional correctness.
* Option Crefers to interface interaction points.
References:
CTFL-AT Syllabus v4.0, Sections 2.1, 3.1
Learning Objective (K2) - Understand testability related to quality characteristics

NEW QUESTION # 72
User Story: As a user I want to be able to calculate tax percentage based on amount of income.
What is the best black box test design technique for verifying the accuracy of this user story?

A. User story testing - test that the user can enter an income amount and get a result.
B. State transition testing - test all states of income entry.
C. Equivalence partitioning - test with low, medium and high income.
D. Statement testing - test all statements in income calculation.

Answer: C

Explanation:
Explanation
The best black box test design technique for verifying the accuracy of this user story is equivalence partitioning. Equivalence partitioning is a technique that divides the input domain of a system into classes or groups that are expected to behave similarly. By testing one value from each class, the tester can reduce the number of test cases while still achieving good coverage. In this case, the input domainof the system is the amount of income, which can be divided into classes based on the tax percentage applied to different income ranges. For example, if the tax percentage is 10% for income below 10,000, 20% for income between 10,000 and 20,000, and 30% for income above 20,000, then the equivalence classes are: low income (<10,000), medium income (10,000-20,000), and high income (>20,000). By testing one value from each class, such as
5,000, 15,000, and 25,000, the tester can verify that the system calculates the correct tax percentage for each income range. This technique is more efficient and effective than testing all possible values of income, or testing only one value of income, or testing the states of income entry, or testing the statements in income calculation. References: ISTQB Foundation Level Agile Tester Syllabus1, Section 2.3.1, page 19; ISTQB Foundation Level Agile Tester Extension Sample Exam Questions2, Question 5, page 6.

NEW QUESTION # 73
Why is regression of software a high risk in agile projects?

A. Test automation can cause regression of software in the test environment.
B. Regression is built into software as a safeguard against unexpected failures.
C. There is code churn due to change in business needs over several sprints.
D. Test-driven development means that existing functionality is not considered.

Answer: C

Explanation:
Regression of software is the risk that a change in one part of the software causes a defect in another part of the software that was previously working correctly. Regression of software is a high risk in agile projects because there is code churn due to change in business needs over several sprints. Code churn is the amount of code that is added, modified, or deleted in a software project over time. Code churn can indicate the volatility and complexity of the software, and the frequency and magnitude of the changes. In agile projects, code churn can be highbecause the business needs and the user requirements can change rapidly and frequently over several sprints, which are short iterations of development and testing. This means that the software is constantly evolving and adapting to the changing needs, and that the existing functionality and quality may be affected by the new or modified code. Therefore, regression of software is a high risk in agile projects, and it requires effective testing strategies and techniques to prevent, detect, and fix the regression defects. References: ISTQB Foundation Level Agile Tester Syllabus1, Section 2.3.2, page 17; ISTQB Glossary of Testing Terms2, version 4.0, pages 36 and 55

NEW QUESTION # 74
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