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ISTQB Certified Tester Foundation Level CTFL 4.0 practice exam guide & CTFL4 actual test cram

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BCS ISTQB Certified Tester Foundation Level CTFL 4.0 Sample Questions (Q12-Q17):

NEW QUESTION # 12
Which of the following statements is incorrect regarding the involvement of testers in the software development lifecycle (SDLC)?

A. Testers should only be involved during the testing phase.
B. Testers should contribute to all activities in the SDLC and participate in design discussions.
C. Testers should be involved from the beginning of the SDLC to increase understanding of design decisions and detect defects early.
D. Testers' involvement is essential; developers find it difficult to be objective.

Answer: A

Explanation:
Involving testers only during the testing phase is incorrect as per the ISTQB CTFL syllabus. Effective involvement of testers is crucial throughout the entire software development lifecycle (SDLC). This includes early stages such as requirement analysis and design, which allows testers to understand the design decisions and detect defects early. Early involvement helps in better understanding the project and ensures that quality is built into the product from the beginning. Furthermore, the ISTQB syllabus emphasizes the importance of testers contributing to all activities in the SDLC, including design discussions, to enhance defect detection and prevention.
References:ISTQB CTFL Syllabus, Section 2.1.1, "The Influence of Development Models on Testing" and Section 1.1.1, "Test Objectives."

NEW QUESTION # 13
A financial institution is to implement a system that calculates the interest rates paid on investment accounts based on the sum invested.
You are responsible for testing the system and decide to use equivalence partitioning and boundary value analysis to design test cases. The requirements describe the following expectations:
Investment range | Interest rate
R500 to RIO 000 10%
RIO 001 to R50 000 11%
R50 001 to RlOOOOO 12%
RIOOOOl to R500 000 | 13%
What is the minimum number of test cases required to cover all valid equivalence partitions for calculating the interest?

A. 0
B. 1
C. 2
D. 3

Answer: C

Explanation:
Using equivalence partitioning, the investment ranges are divided into four partitions:
R500 to R10,000 (10%)
R10,001 to R50,000 (11%)
R50,001 to R100,000 (12%)
R100,001 to R500,000 (13%)
Thus, the minimum number of test cases required to cover all valid equivalence partitions for calculating the interest is 4.

NEW QUESTION # 14
Which of the following statements is TRUE'?

A. Unlike functional testing, non-fundional testing can only be applied to conventional systems, not artificial intelligence-based system.
B. Functional testing can be applied to all test levels, while non-functional testing can be applied only to system and acceptance test levels.
C. Black-box test techniques and experience-based test techniques may be applicable to both functional testing and non-functional testing
D. Functional testing focuses on what the system is supposed to do, while white-box testing focuses on how well the system does what it is supposed to do

Answer: C

Explanation:
Statement D is correct. According to the ISTQB CTFL syllabus, both black-box test techniques (which focus on testing without internal knowledge of the application) and experience-based test techniques (which rely on testers' experience and intuition) can be applied to both functional and non-functional testing. Functional testing is concerned with what the system does, whereas non-functional testing looks at how the system performs under certain conditions. These techniques are versatile and can be employed to address both these aspects.

NEW QUESTION # 15
Which ONE of the following statements does NOT describe how testing contributes to higher quality?

A. The testing of software demonstrates the absence of defects.
B. Performing a review of the requirement specifications before implementing the system can enhance quality.
C. Properly designed tests that pass reduce the level of risk in a system.
D. Software testing identifies defects, which can be used to improve development activities.

Answer: A

Explanation:
* The testing of software does not demonstrate the absence of defects, but rather the presence of defects or the conformance of the software to the specified requirements1. Testingcan never prove that the software is defect-free, as it is impossible to test all possible scenarios, inputs, outputs, and behaviors of the software2. Testing can only provide a level of confidence in the quality of the software, based on the coverage, effectiveness, and efficiency of the testing activities3.
* The other options are correct because:
* A. Properly designed tests that pass reduce the level of risk in a system, as they verify that the system meets the expected quality attributes and satisfies the needs and expectations of the users and clients4. Risk is the potential for loss or harm due to the occurrence of an undesirable event5. Testing can help to identify, analyze, prioritize, and mitigate the risks associated with the software product and project6.
* C. Software testing identifies defects, which can be used to improve development activities, as they provide feedback on the quality of the software and the effectiveness of the development processes7. Defects are flaws or errors in the software that cause it to deviate from the expected or required results or behavior. Testing can help to detect, report, track, and resolve the defects, and prevent them from recurring in the future.
* D. Performing a review of the requirement specifications before implementing the system can enhance quality, as it can ensure that the requirements are clear, complete, consistent, testable, and aligned with the needs and expectations of the users and clients. Requirements are the specifications of what the software should do and how it should do it. Testing can help to validate that the requirements are met by the software, and verify that the software is implemented according to the requirements.
References =
* 1 ISTQB Certified Tester Foundation Level Syllabus v4.0, 2023, p. 10
* 2 ISTQB Certified Tester Foundation Level Syllabus v4.0, 2023, p. 11
* 3 ISTQB Certified Tester Foundation Level Syllabus v4.0, 2023, p. 12
* 4 ISTQB Certified Tester Foundation Level Syllabus v4.0, 2023, p. 13
* 5 ISTQB Certified Tester Foundation Level Syllabus v4.0, 2023, p. 97
* 6 ISTQB Certified Tester Foundation Level Syllabus v4.0, 2023, p. 98
* 7 ISTQB Certified Tester Foundation Level Syllabus v4.0, 2023, p. 14
* [8] ISTQB Certified Tester Foundation Level Syllabus v4.0, 2023, p. 15
* [9] ISTQB Certified Tester Foundation Level Syllabus v4.0, 2023, p. 16
* [10] ISTQB Certified Tester Foundation Level Syllabus v4.0, 2023, p. 17
* [11] ISTQB Certified Tester Foundation Level Syllabus v4.0, 2023, p. 18
* [12] ISTQB Certified Tester Foundation Level Syllabus v4.0, 2023, p. 19

NEW QUESTION # 16
Which of the following lists factors That contribute to PROJECT risks?

A. skill and staff shortages; software does not perform its intended functions; problems in defining the right requirements.
B. problems in defining the right requirements; contractual issues; poor software quality characteristics.
C. poor software quality characteristics; software does not perform its intended functions.
D. skill and staff shortages; problems in defining the right requirements, contractual issues.

Answer: D

Explanation:
Project risks are the uncertainties or threats that may affect the project objectives, such as scope, schedule, cost, and quality. According to the ISTQB Certified Tester Foundation Level (CTFL) v4.0 syllabus, some of the factors that contribute to project risks are:
* Skill and staff shortages: This factor refers to the lack of adequate or qualified human resources to perform the project tasks. This may result in delays, errors, rework, or low productivity.
* Problems in defining the right requirements: This factor refers to the difficulties or ambiguities in eliciting, analyzing, specifying, validating, or managing the requirements of the project. This may result in misalignment, inconsistencies, gaps, or changes in the requirements, affecting the project scope and quality.
* Contractual issues: This factor refers to the challenges or disputes that may arise from the contractual agreements between the project parties, such as clients, suppliers, vendors, or subcontractors. This may result in legal, financial, or ethical risks, affecting the project delivery and satisfaction.
The other options are not correct because they list factors that contribute to PRODUCT risks, not project risks. Product risks are the uncertainties or threats that may affect the quality or functionality of the software product or system. Some of the factors that contribute to product risks are:
* Poor software quality characteristics: This factor refers to the lack of adherence or compliance to the quality attributes or criteria of the software product or system, such as reliability, usability, security, performance, or maintainability. This may result in defects, failures, or dissatisfaction of the users or stakeholders.
* Software does not perform its intended functions: This factor refers to the deviation or discrepancy between the expected and actual behavior or output of the software product or system. This may result in errors, faults, or malfunctions of the software product or system.
References = ISTQB Certified Tester Foundation Level (CTFL) v4.0 syllabus, Chapter 1: Fundamentals of Testing, Section 1.5: Risks and Testing, Pages 14-16.

NEW QUESTION # 17
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