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BCS CTFL4 Exam Syllabus Topics:

Topic
Details

Topic 1

Test Analysis and Design: It focuses on black-box and the collaboration-based test approach.

Topic 2

Managing the Test Activities: This topic explains how to plan tests in general, monitor and control test activities, and report defects in a clear and understandable way.

Topic 3

Testing Throughout the Software Development Lifecycle: This topic explains how testing is incorporated into different development approaches. It also focuses on the concepts of test-first approaches.

Topic 4

Static Testing: The topic covers static testing basics, the feedback and review process.

Topic 5

Fundamentals of Testing: It discusses the basic principles related to testing. The topic evaluates your understandings about the test process.

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BCS ISTQB Certified Tester Foundation Level CTFL 4.0 Sample Questions (Q48-Q53):

NEW QUESTION # 48
Which of the following statements about exploratory testing is true?

A. When exploratory testing is conducted following a session-based approach, the issues detected by the testers can be documented in session sheets
B. Exploratory testing is an experience-based test technique used by testers during informal code reviews to find defects by exploring the source code
C. Exploratory testing is an experience-based test technique in which testers explore the requirements specification to detect non testable requirements
D. In exploratory testing, testers usually produce scripted tests and establish bidirectional traceability between these tests and the items of the test basis

Answer: A

Explanation:
Exploratory testing is an experience-based test technique in which testers dynamically design and execute tests based on their knowledge, intuition, and learning of the software system, without following predefined test scripts or test cases. Exploratory testing can be conducted following a session-based approach, which is a structured way of managing and measuring exploratory testing. In a session-based approach, the testers perform uninterrupted test sessions, usually lasting between 60 and 120 minutes, with a specific charter or goal, and document the issues detected, the test coverage achieved, and the time spent in session sheets. Session sheets are records of the test activities, results, and observations during a test session, which can be used for reporting, debriefing, and learning purposes. The other statements are false, because:
Exploratory testing is not a test technique in which testers explore the requirements specification to detect non testable requirements, but rather a test technique in which testers explore the software system to detect functional and non-functional defects, as well as to learn new information, risks, or opportunities. Non testable requirements are requirements that are ambiguous, incomplete, inconsistent, or not verifiable, which can affect the quality and effectiveness of the testing process. Non testable requirements can be detected by applying static testing techniques, such as reviews or inspections, to the requirements specification, before the software system is developed or tested.
Exploratory testing is not a test technique used by testers during informal code reviews to find defects by exploring the source code, but rather a test technique used by testers during dynamic testing to find defects by exploring the behavior and performance of the software system, without examining the source code. Informal code reviews are static testing techniques, in which the source code is analyzed by one or more reviewers, without following a formal process or using a checklist, to identify defects, violations, or improvements. Informal code reviews are usually performed by developers or peers, not by testers.
In exploratory testing, testers usually do not produce scripted tests and establish bidirectional traceability between these tests and the items of the test basis, but rather produce unscripted tests and adapt them based on the feedback and the findings of the testing process. Scripted tests are tests that are designed and documented in advance, with predefined inputs, outputs, and expected results, and are executed according to a test plan or a test procedure. Bidirectional traceability is the ability to trace both forward and backward the relationships between the items of the test basis, such as the requirements, the design, the risks, etc., and the test artifacts, such as the test cases, the test results, the defects, etc. Scripted tests and bidirectional traceability are usually associated with more formal and structured testing approaches, such as specification-based or structure-based test techniques, not with exploratory testing. Reference: ISTQB Certified Tester Foundation Level (CTFL) v4.0 sources and documents:
ISTQB Certified Tester Foundation Level Syllabus v4.0, Chapter 2.2.3, Experience-based Test Design Techniques1 ISTQB Glossary of Testing Terms v4.0, Exploratory Testing, Session-based Testing, Session Sheet, Non Testable Requirement, Static Testing, Informal Review, Dynamic Testing, Scripted Testing, Bidirectional Traceability2

NEW QUESTION # 49
Which of the following issues cannot be identified by static analysis tools?

A. Security vulnerabilities
B. Potentially endless loops
C. Referencing a variable with an undefined value
D. Very low MTBF (Mean Time Between failure)

Answer: D

Explanation:
Static analysis tools are software tools that examine the source code of a program without executing it. They can detect various types of issues, such as syntax errors, coding standards violations, security vulnerabilities, and potential bugs12. However, static analysis tools cannot identify issues that depend on the runtime behavior or performance of the program, such as very low MTBF (Mean Time Between failure)3. MTBF is a measure of the reliability of a system or component. It is calculated by dividing the total operating time by the number of failures. MTBF reflects how often a system or component fails during its expected lifetime. Static analysis tools cannot measure MTBF because they do not run the program or observe its failures. MTBF can only be estimated by dynamic testing, which involves executing the program under various conditions and collecting data on its failures4. Therefore, very low MTBF is an issue that cannot be identified by static analysis tools. The other options, such as potentially endless loops, referencing a variable with an undefined value, and security vulnerabilities, are issues that can be identified by static analysis tools. Static analysis tools can detect potentially endless loops by analyzing the control flow and data flow of the program and checking for conditions that may never become false5. Static analysis tools can detect referencing a variable with an undefined value by checking the scope and initialization of variables and reporting any use of uninitialized variables6. Static analysis tools can detect security vulnerabilities by checking for common patterns of insecure code, such as buffer overflows, SQL injections, cross-site scripting, and weak encryption. Reference = What Is Static Analysis? Static Code Analysis Tools - Perforce Software, How Static Code Analysis Works | Perforce, Static Code Analysis: Techniques, Top 5 Benefits & 3 Challenges, What is MTBF? Mean Time Between Failures Explained | Perforce, Static analysis tools - Software Testing MCQs - CareerRide, ISTQB_Chapter3 | Quizizz, [Static Code Analysis for Security Vulnerabilities | Perforce].

NEW QUESTION # 50
Which one of the following statements IS NOT a valid objective of testing?

A. To evaluate work products such as requirements, user stories, design, and code.
B. To find all defects in a product, ensuring the product is defect free.
C. To find failures and defects
D. To build confidence in the level of quality of the test object.

Answer: B

NEW QUESTION # 51
Which of the following statements is true?

A. Testers who perform functional tests are generally expected to have more technical skills than testers who perform non-functional tests
B. The test techniques that can be used to design white-box tests are described in the ISO/IEC 25010 standard
C. Functional testing focuses on what the system should do while non-functional testing on the internal structure of the system
D. Non-functional testing includes testing of both technical and non-technical quality characteristics

Answer: D

Explanation:
Non-functional testing includes testing of both technical and non-technical quality characteristics. Non- functional testing is the process of testing the quality attributes of a system, such as performance, usability, security, reliability, etc. Non-functional testing can be applied at any test level and can use both black-box and white-box test techniques. Non-functional testing can cover both technical aspects, such as response time, throughput, resource consumption, etc., and non-technical aspects, such as user satisfaction, accessibility, compliance, etc. Therefore, option B is the correct answer.
References: ISTQB Certified Tester Foundation Level Syllabus v4.01, Section 1.3.1, page 13; ISTQB Glossary v4.02, page 40.

NEW QUESTION # 52
Consider the following table, which contains information about test cases from the test management system:

Which ONE of the following optionsorganizes the test cases based on the statement coverage strategy, while considering practical constraints?

A. {TC 60; TC 80; TC 40; TC 90; TC 50; TC 10; TC 70; TC 30; TC 20}
B. {TC 10; TC 30; TC 20; TC 60; TC 40; TC 80; TC 90; TC 50; TC 70}
C. {TC 20; TC 30; TC 10; TC 40; TC 50; TC 70; TC 60; TC 80; TC 90}
D. {TC 80; TC 70; TC 50; TC 60; TC 20; TC 30; TC 10; TC 40; TC 90}

Answer: A

Explanation:
Comprehensive and Detailed In-Depth Explanation:Statement coverage strategyprioritizestest cases with higher statement coverage first, whileresolving dependenciesbefore execution.
* TC60 (7%)has thehighest coveragebutdepends on REQ 1, so it should be executedafter its dependency is covered.
* TC80 (6%)depends onREQ 2, so it should be prioritizedafter TC40 (REQ 2).
* TC40 (5%)andTC90 (5%)should be executed early.
* Lower coverage test cases (TC10, TC70, TC30, TC20) should come last.
Thus, the correct order is{TC 60; TC 80; TC 40; TC 90; TC 50; TC 10; TC 70; TC 30; TC 20} (D).

NEW QUESTION # 53
......

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