CTFL-AT ISTQB Certified Tester - Foundation Level Extension - Agile Tester neueste Studie Torrent & CTFL-AT tatsächliche prep Prüfung
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Die ISQI CTFL -AT (ISTQB Certified Tester - Foundation Level Extension - Agile Tester) ist eine Zertifizierungsprüfung für Softwaretester, die ihr Wissen und ihre Fähigkeiten in agilen Testmethoden demonstrieren möchten. Diese Prüfung ist ideal für Fachleute, die in einer agilen Entwicklungsumgebung arbeiten oder in Zukunft in einer arbeiten möchten. Die CTFL-AT-Prüfung ist weltweit anerkannt und ist eine hervorragende Möglichkeit, Ihre Karriereaussichten in der Software-Testbranche zu verbessern.
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ISQI ISTQB Certified Tester - Foundation Level Extension - Agile Tester CTFL-AT Prüfungsfragen mit Lösungen (Q23-Q28):
23. Frage
Which of the following is a benefit of a whole-team approach?
Antwort: D
24. Frage
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.
Antwort: C
Begründung:
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
25. Frage
Which one of the following is a testable acceptance criterion?
Antwort: C
Begründung:
A testable acceptance criterion is a condition that can be verified or measured objectively by the tester, customer, or stakeholder. It should be specific, measurable, achievable, relevant, and time-bound (SMART). A testable acceptance criterion should also be written from the user's perspective, achievable within the sprint, and written before development begins1.
Among the four options, only option C meets these criteria. It is specific (the response time to confirm a customer submission), measurable (must not exceed 5 seconds), achievable (within the technical and business constraints), relevant (to the user's needs and expectations), and time-bound (must be met in every sprint). It is also written from the user's perspective, testable (by measuring the response time), and written before development (as part of the user story definition).
Option A is not testable because it is vague and subjective. What does it mean to support business processes?
How can this be verified or measured? Option B is also not testable because it is subjective and ambiguous.
What does it mean to be easy to use? How can this be verified or measured? Option D is not testable because it is not written from the user's perspective. It is an internal quality criterion for the testing team, not an acceptance criterion for the product or feature.
References: ISTQB Foundation Level Agile Tester Syllabus, Section 2.3.2, page 182; ISTQB Foundation Level Agile Tester Sample Exam Questions, Question 2.3.2-2, page 93
26. Frage
What is the main benefit of the Test Pyramid?
Antwort: C
Begründung:
The Test Pyramid is a model for organizing tests in a way to make the process of testing faster, efficient and cost-effective. This model focusses on getting maximum functional testing getting covered by faster and less brittle tests like Unit and API tests1. The main benefit of the Test Pyramid is that it helps in evaluating the amount of test cases needed for each level of testing. The Test Pyramid suggests that the number of test cases should decrease as we move up the pyramid, from unit tests to integration tests to end-to-end tests. This is because unit tests are more granular, isolated, and easy to write and maintain, while end-to-end tests are more complex, dependent, and brittle. The Test Pyramid also helps in balancing the test coverage and the test execution time, as unit tests provide high coverage and low execution time, while end-to-end tests provide low coverage and high execution time. By following the Test Pyramid, teams can optimize their testing efforts and resources, and ensure that they have a sufficient and effective test suite for their software. References:
ISTQB Foundation Level Agile Tester Syllabus, Section 2.2.1, page 16; ASTQB Agile Tester Certification Resources, Section 2.2.1, page 16; What is Test Pyramid : Getting started with Test Automation Pyramid, The Practical Test Pyramid - Martin Fowler, Testing Pyramid: What Is It and How To Use It | Solvd.
27. Frage
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?
Antwort: A
Begründung:
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.
28. Frage
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