2026 Easy Success ISQI CTFL_Syll_4.0 Exam in First Try [Q24-Q43]

2026 Easy Success ISQI CTFL_Syll_4.0 Exam in First Try

Best CTFL_Syll_4.0 Exam Dumps for the Preparation of Latest Exam Questions

NEW QUESTION # 24
Which ONE of the following options CORRECTLY describes one of the seven principles of the testing process?

A. Automated testing enables exhaustive testing.
B. It is impossible to test all possible combinations of inputs and preconditions of a system.
C. The objective of testing is to implement exhaustive testing and execute as many test cases as possible.
D. Exhaustive testing can only be carried out using behavior-based techniques.

Answer: B

Explanation:
Exhaustive testing (testing all input combinations) is practically impossible except in trivial cases (C). Instead, testers focus on risk-based, prioritized, and efficient test techniques. The seven principles of testing in the ISTQB syllabus highlight that exhaustive testing is infeasible, and therefore, techniques such as equivalence partitioning, boundary value analysis, and risk-based testing are used to optimize test coverage.
Reference:ISTQB CTFL v4.0 Syllabus, Section 1.3 - Testing Principles

NEW QUESTION # 25
Which of the following types of bug are more likely to be found by static testing then by dynamic testing?

A. A sub-system that does not perform the intended functionality
B. Variables that were declared in the code without initialization
C. Functions that take much longer time to complete than expected
D. Crashes of the application

Answer: B

Explanation:
Static testing involves reviewing the code, requirements, and design documents without executing the code. It is effective in finding certain types of bugs that do not require the code to be run. One common example of such a bug is variables that are declared but not initialized. These issues can be detected through code inspections or static analysis tools, which can identify uninitialized variables, missing declarations, and other coding standard violations without the need to execute the code.

NEW QUESTION # 26
Which ONE of the following elements is TYPICALLY used to guide testing duringexploratory testing?

A. A predefined test case that must be executed exactly as documented.
B. A comprehensive specification that must be fully available before testing begins.
C. A detailed test script that prescribes all the steps to be performed.
D. A test charter that defines the testing objectives for the test session.

Answer: D

Explanation:
Exploratory testingis an unscripted approach where testersactively design and execute testsbased on their intuition, experience, and knowledgeof the system. Atest charter (A)provides a guideline on what areas to explore, defining test objectives but leaving room for dynamic adaptation.
* (B), (C), and (D) contradict exploratory testing principles, which focus on freedom rather than rigid documentation.
* Exploratory testing is especially useful inagile environments, usability testing, and uncovering unexpected defects.

NEW QUESTION # 27
Which of the following statements about the value of maintaining traceability between the test basis and test work products is not true?

A. Traceability can be useful for assessing the impact of a change to a test basis item on the corresponding tests
B. Traceability can be useful to support the needs required by the auditing of testing
C. Traceability can be useful for determining the most suitable test techniques to be used in a testing project
D. Traceability can be useful for determining how many test basis items are covered by the corresponding tests

Answer: C

Explanation:
Traceability is the ability to trace 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. Traceability can provide various benefits for the testing process, such as improving the test coverage, the test quality, the test efficiency, and the test communication. However, not all the statements given are true about the value of maintaining traceability between the test basis and test work products. The statement that is not true is option C, which says that test objectives should be the same for all test levels, although the number of tests designed at various levels can vary significantly. This statement is false, because test objectives are the goals or the purposes of testing, which can vary depending on the test level, the test type, the test technique, the test environment, the test stakeholder, etc. Test objectives can be defined in terms of the test basis, the test coverage, the test quality, the test risk, the test cost, the test time, etc. Test objectives should be specific, measurable, achievable, relevant, and time-bound, and they should be aligned with the project objectives and the quality characteristics. Test objectives should not be the same for all test levels, as different test levels have different focuses, scopes, and perspectives of testing, such as component testing, integration testing, system testing, and acceptance testing. The other statements are true about the value of maintaining traceability between the test basis and test work products, such as:
* Traceability can be useful for assessing the impact of a change to a test basis item on the corresponding tests: This statement is true, because traceability can help to identify which tests are affected by a change in the test basis, such as a new requirement, a modified design, a revised risk, etc., and to determine the necessary actions to update, re-execute, or re-evaluate the tests. Traceability can also help to estimate the effort, the cost, and the time needed to implement the change and to verify its impact on the software system.
* Traceability can be useful for determining how many test basis items are covered by the corresponding tests: This statement is true, because traceability can help to measure the test coverage, which is the degree to which the test basis is exercised by the test cases. Traceability can help to identify which test basis items are covered, partially covered, or not covered by the tests, and to evaluate the adequacy, the completeness, and the effectiveness of the testing process. Traceability can also help to identify the gaps, the overlaps, or the redundancies in the test coverage, and to prioritize, optimize, or improve the test cases.
* Traceability can be useful to support the needs required by the auditing of testing: This statement is true, because traceability can help to provide evidence, documentation, and justification for the testing activities, results, and outcomes. Traceability can help to demonstrate that the testing process follows the standards, the regulations, the policies, and the best practices that are applicable to the software system, the project, or the organization. Traceability can also help to verify that the testing process meets the expectations, the needs, and the satisfaction of the users and the stakeholders. References: ISTQB Certified Tester Foundation Level (CTFL) v4.0 sources and documents:
* ISTQB Certified Tester Foundation Level Syllabus v4.0, Chapter 1.2.2, Testing Policies, Strategies, and Test Approaches1
* ISTQB Certified Tester Foundation Level Syllabus v4.0, Chapter 2.1.1, Test Planning1
* ISTQB Certified Tester Foundation Level Syllabus v4.0, Chapter 2.1.2, Test Monitoring and Control1
* ISTQB Certified Tester Foundation Level Syllabus v4.0, Chapter 2.1.3, Test Analysis and Design1
* ISTQB Glossary of Testing Terms v4.0, Traceability, Test Basis, Test Artifact, Test Objective, Test Level, Test Coverage, Test Quality, Test Risk, Test Cost, Test Time2

NEW QUESTION # 28
A test status report should:

A. be produced as part of test completion activities and report unmitigated product risks to support the decision whether or not to release the product
B. specify the impediments to carrying out the planned test activities in the reporting period and the corresponding solutions put in place to remove them
C. always be based on the same template within an organization, as its structure and contents should not be affected by the audience to which the report is presented
D. specify the lines of communication between testing, other lifecycle activities, and within the organization that were chosen at the outset of the test project

Answer: B

Explanation:
A test status report communicates the current status, progress, and issues encountered during testing to stakeholders. It is crucial for effective test management and decision-making.
* Option A:Correct as it involves reporting impediments and solutions, which are essential for ongoing test activities.
* Option B:Incorrect because test status reports are not limited to test completion activities and focus more on ongoing test status rather than final unmitigated risks.
* Option C:Incorrect as the structure and contents of reports should be tailored to the audience's needs to ensure effective communication.
* Option D:Incorrect because specifying communication lines is typically done in the test plan, not the status report.
Thus, option A best describes a key aspect of a test status report.

NEW QUESTION # 29
A system has a self-diagnostics module that starts executing after the system is reset. The diagnostics are running 12 different tests on the systems memory hardware. The following is one of the requirements set for the diagnostics module:
'The time taking the diagnostics tests to execute shall be less than 2 seconds' Which of the following is a failure related to the specified requirement?

A. The diagnostic tests take too much time to execute
B. The diagnostic tests that measure the speed of the memory, fail
C. The diagnostic tests fail to start after a system reset
D. The diagnostic tests fail due to incorrect implementation of the test code

Answer: A

Explanation:
A failure is an event in which a component or system does not perform a required function within specified limits1. A requirement is a condition or capability needed by a user to solve a problem or achieve an objective2. In this case, the requirement is that the diagnostics tests should execute in less than 2 seconds.
Therefore, any event that violates this requirement is a failure. The only option that clearly violates this requirement is B. The diagnostic tests take too much time to execute. If the diagnostic tests take more than 2 seconds to complete, then they do not meet the specified limit and thus fail. The other options are not necessarily failures related to the specified requirement. Option A. The diagnostic tests fail to start after a system reset is a failure, but not related to the time limit. It is related to the functionality of the self-diagnostics module. Option C. The diagnostic tests that measure the speed of the memory, fail is also a failure, but not related to the time limit. It is related to the accuracy of the memory tests. Option D. The diagnostic tests fail due to incorrect implementation of the test code is also a failure, but not related to the time limit. It is related to the quality of the test code. References = ISTQB Certified Tester Foundation Level Syllabus v4.0, Requirements Engineering Fundamentals.

NEW QUESTION # 30
Which ONE of the following options isNOTa benefit oftest automation?

A. Reduced test execution times
B. Prevention of simple human errors
C. More objective assessment
D. Eliminating completely the need for manual testing

Answer: D

Explanation:
Test automationimproves efficiency and accuracy, butit does NOT eliminate manual testing (D).
* (A) is correctbecause automationspeeds up execution.
* (B) is correctas automated tests produceconsistent and unbiased results.
* (C) is correctbecause automationreduces human errors in repetitive tests.
However,manual testing remains essential for exploratory testing, usability testing, and complex test scenarios.

NEW QUESTION # 31
During component testing of a program if 100% decision coverage is achieved, which of the following coverage criteria is also guaranteed to be 100%?

A. 100% Boundary value coverage
B. 100% Stale transition coverage
C. 100% Equivalence class coverage
D. 100% Statement coverage

Answer: D

Explanation:
Statement coverage is a structural coverage metric that measures the percentage of executable statements in the source code that are executed by a test suite1. Decision coverage is another structural coverage metric that measures the percentage of decision outcomes (such as branches or conditions) in the source code that are executed by a test suite1. Decision coverage is a stronger metric than statement coverage, because it requires that every possible outcome of each decision is tested, while statement coverage only requires that every statement is executed at least once2. Therefore, if a test suite achieves 100% decision coverage, it also implies that it achieves 100% statement coverage, because every statement in every branch or condition must have been executed. However, the converse is not true: 100% statement coverage does not guarantee 100% decision coverage, because some branches or conditions may have multiple outcomes that are not tested by the test suite2. For example, consider the following pseudocode:
if (x > 0) then print("Positive") else print("Non-positive") end if
A test suite that executes this code with x = 1 and x = -1 will achieve 100% statement coverage, because both print statements are executed. However, it will not achieve 100% decision coverage, because the condition x
> 0 has only been tested with two outcomes: true and false. The third possible outcome, x = 0, has not been tested by the test suite. Therefore, the test suite may miss a potential bug or error in the condition or the branch.
The other options, such as stale transition coverage, equivalence class coverage, and boundary value coverage, are not guaranteed to be 100% by achieving 100% decision coverage. Stale transition coverage is a structural coverage metric that measures the percentage of transitions between states in a state machine that are executed by a test suite3. Equivalence class coverage is a functional coverage metric that measures the percentage of equivalence classes (or partitions) of input or output values that are tested by a test suite4. Boundary value coverage is another functional coverage metric that measures the percentage of boundary values (or extreme values) of input or output ranges that are tested by a test suite4. These metrics are independent of decision coverage, because they are based on different aspects of the system under test, such as its behavior, functionality, or specification. Therefore, achieving 100% decision coverage does not imply achieving 100% of any of these metrics, and vice versa. References = ISTQB Certified Tester Foundation Level Syllabus v4.0, Test Coverage in Software Testing - Guru99, Structural Coverage Metrics - MATLAB & Simulink - MathWorks India, Test Design Coverage in Software Testing - GeeksforGeeks.

NEW QUESTION # 32
After being in operation for many years, a document management system must be decommissioned as it has reached its end of life. This system will not be replaced by any other new system. A legal obligation provides that all documents within the system must be kept for at least 20 years in a state archive.
Which of the following statements about maintenance testing for decommissioning of this system is true?

A. Regression testing is required as part of maintenance testing
B. Confirmation testing is required as part of maintenance testing
C. No maintenance testing is required as this system will not be replaced
D. Data migration testing is required as part of maintenance testing

Answer: D

Explanation:
When a document management system is decommissioned, maintenance testing must include data migration testing to ensure that all documents are correctly transferred to a state archive, meeting legal requirements for long-term storage. This process verifies that data integrity is maintained during migration.
References:
* ISTQB CTFL Syllabus 4.0, Chapter 2.3, page 29: Maintenance Testing and Data Migration

NEW QUESTION # 33
Which of the following s the most correct statement about state testing techniques?

A. Static techniques find more detects then dynamic techniques.
B. Static techniques are always cheaper than dynamic techniques.
C. Static techniques can be used by inexperienced users.
D. Static techniques can be used before all code is ready for execution

Answer: D

Explanation:
State testing techniques are a type of dynamic testing techniques that are based on the behavior of the system under test for different input conditions and events. Dynamic testing techniques require the system to be executed with test cases, whereas static testing techniques do not. Static testing techniques can be applied before the code is ready for execution, such as reviews, inspections, walkthroughs, and static analysis. Static testing techniques can help find defects early in the development process, improve the quality of the code, and reduce the cost and effort of dynamic testing. References = ISTQB Certified Tester Foundation Level (CTFL) v4.0 Syllabus, Chapter 4, Section 4.2.1, Page 281; ISTQB Glossary of Testing Terms v4.0, Page 292

NEW QUESTION # 34
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. Functional testing focuses on what the system should do while non-functional testing on the internal structure of the system
C. Non-functional testing includes testing of both technical and non-technical quality characteristics
D. The test techniques that can be used to design white-box tests are described in the ISO/IEC 25010 standard

Answer: C

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.
ISTQBCertified Tester Foundation Level Syllabus v4.01, Section 1.3.1, page 13; ISTQBGlossary v4.
02, page 40.

NEW QUESTION # 35
Which of the following statements is true?

A. Failures can be caused by defects, but also by environmental conditions
B. A defect may cause a failure which, when occurring, always causes an error
C. Bugs are defects found during component testing, while failures are defects found at higher test levels
D. A defect does not always produce a failure, while a bug always produces a failure

Answer: A

Explanation:
Explanation
Failures can be caused by defects, but also by environmental conditions. A failure is an event in which the software system does not perform a required function or performs a function incorrectly, according to the expected behavior. A defect is a flaw in the software system or a deviation from the requirements or the specifications, that may cause a failure. However, not all failures are caused by defects, as some failures may be caused by environmental conditions, such as hardware malfunctions, network interruptions, power outages, incompatible configurations, etc. Environmental conditions are factors that affect the operation of the software system, but are not part of the software system itself. The other statements are false, because:
A defect does not always produce a failure, while a bug always produces a failure. This statement is false, because a defect may or may not produce a failure, depending on the inputs, the outputs, the states, or the scenarios of the software system, and a bug is just another term for a defect, so it has the same possibility of producing a failure as a defect. For example, a defect in a rarely used feature or a hidden branch of the code may never produce a failure, while a defect in a frequently used feature or a critical path of the code may produce a failure often. A bug is not a different concept from a defect, but rather a synonymor a colloquial term for a defect, so it has the same definition and implications as a defect.
A defect may cause a failure which, when occurring, always causes an error. This statement is false, because an error is not a consequence of a failure, but rather a cause of a defect. An error is a human action or a mistake that produces a defect in the software system, such as a typo, a logic flaw, a requirement misunderstanding, etc. An error is not observable in the software system, but rather in the human mind or the human work products, such as the code, the design, the documentation, etc. A failure is not a cause of an error, but rather a result of a defect, which is a result of an error. For example, an error in the code may cause a defect in the software system, which may cause a failure in the software behavior.
Bugs are defects found during component testing, while failures are defects found at higher test levels.
This statement is false, because bugs and failures are not different types of defects, but rather different terms for defects and their manifestations. As mentioned before, bugs are just another word for defects, and failures are the events in which the software system does not perform as expected due to defects.
Bugs and failures can be found at any test level, not only at component testing or higher test levels. Test levels are the stages of testing that correspond to the levels of integration of the software system, such as component testing, integration testing, system testing, and acceptance testing. Defects and failures can occur and be detected at any test level, depending on the test objectives, the test basis, the test techniques, and the test environment. References: ISTQB Certified Tester Foundation Level (CTFL) v4.0 sources and documents:
ISTQB Certified Tester Foundation Level Syllabus v4.0, Chapter 1.1.2, Testing and Quality1 ISTQB Certified Tester Foundation Level Syllabus v4.0, Chapter 1.2.1, Testing Principles1 ISTQB Certified Tester Foundation Level Syllabus v4.0, Chapter 1.3.1, Testing in Software Development Lifecycles1 ISTQB Glossary of Testing Terms v4.0, Failure, Defect, Bug, Environmental Condition, Error, Test Level2

NEW QUESTION # 36
You are a tester working on a critical project. Based on the risk analysis you need to decide on the order of test execution. Which of the following lists the correct sequence of test execution? Priority 1 is the highest and Priority 3 is the lowest priority.
Test CasePriorityDependencies
Test A3-
Test B1TestD
TestC2Test A
Test D3*

A. C-B-A-D
B. D-C- B-A
C. D-B-A-C
D. D-A-B-C

Answer: C

Explanation:
When deciding on the order of test execution based on priorities and dependencies, the correct sequence should consider both the priority levels and any dependencies between test cases. Here's the analysis:
* Test B has the highest priority (1) and depends on Test D.
* Test D should be executed before Test B.
* Test C has a medium priority (2) and depends on Test A.
* Test A can be executed at any time since it has no dependencies.
Considering these dependencies and priorities, Test D should be executed first, followed by Test B. After that, Test A and finally Test C. Therefore, the correct sequence is D-B-A-C.

NEW QUESTION # 37
An alphanumeric password must be between 4 and 7 characters long and must contain at least one numeric character, one capital (uppercase) letter and one lowercase letter of the alphabet.
Which one of the following sets of test cases represents the correct outcome of a two-value boundary value analysis applied to the password length? (Note: test cases are separated by a semicolon)

A. 1xA;aB11;Pq1ZZab;7iDD0a1x
B. aB11;99rSp:5NnN10;7iDD0a1x
C. 1RhT;rSp53;3N3e10;8sBdby
D. 1xB: aB11: 99rSp: 5NnN10; 4NnN10T; 44ghWn19

Answer: C

Explanation:
The correct outcome of a two-value boundary value analysis applied to the password length is the set of test cases represented by option D.
Boundary value analysis is a test design technique that focuses on the values at the boundaries of an equivalence partition, such as the minimum and maximum values, or the values just above and below the boundaries. A two-value boundary value analysis uses two values for each boundary, one representing the valid value and one representing the invalid value. For example, if the valid range of values is from 4 to 7, then the two values for the lower boundary are 3 and 4, and the two values for the upper boundary are 7 and 8. The test cases in option D use these values for the password length, while also satisfying the other requirements of the password, such as containing at least one numeric character, one capital letter, and one lowercase letter. The test cases in option D are:
1RhT: a 4-character password that is valid
rSp53: a 5-character password that is valid
3N3e10: a 6-character password that is valid
8sBdby: an 8-character password that is invalid The test cases in the other options are incorrect, because they either use values that are not at the boundaries of the password length, or they do not meet the other requirements of the password. For example, the test cases in option A are:
1xA: a 3-character password that is invalid, but it does not contain a capital letter aB11: a 4-character password that is valid Pq1ZZab: a 7-character password that is valid
7iDD0a1x: an 8-character password that is invalid Reference: ISTQB Certified Tester Foundation Level (CTFL) v4.0 sources and documents:
ISTQB® Certified Tester Foundation Level Syllabus v4.0, Chapter 2.2.1, Black-box Test Design Techniques1 ISTQB® Glossary of Testing Terms v4.0, Boundary Value Analysis, Equivalence Partition2

NEW QUESTION # 38
Which ONE of the following elements is TYPICALLY used to guide testing duringexploratory testing?

A. A predefined test case that must be executed exactly as documented.
B. A comprehensive specification that must be fully available before testing begins.
C. A detailed test script that prescribes all the steps to be performed.
D. A test charter that defines the testing objectives for the test session.

Answer: D

NEW QUESTION # 39
Which of the following statements is an example of testing contributing to higher quality?

A. A project manager asks to a test leader to estimate the test effort
B. A test leader writes a test summary report
C. A tester installs a test ten in the lest environment
D. A tester finds a bug which is resolved prior to release

Answer: D

Explanation:
* The question is about identifying an example of testing contributing to higher quality. Quality is the degree to which a component, system or process meets specified requirements and/oruser/customer needs and expectations1. Testing is the process consisting of all lifecycle activities, both static and dynamic, concerned with planning, preparation and evaluation of software products and related work products to determine that they satisfy specified requirements, to demonstrate that they are fit for purpose and to detect defects2.
* Therefore, testing contributes to higher quality by verifying and validating that the software products and related work products meet the specified requirements, are fit for purpose and have no defects, or at least have a reduced number of defects. Testing also provides information about the quality of the software products and related work products to the stakeholders, who can make informed decisions based on the test results3.
* Out of the four given statements, only option D is an example of testing contributing to higher quality, as it shows that testing has detected a defect (a flaw in a component or system that can cause the component or system to fail to perform its required function4) and that the defect has been resolved (fixed and confirmed) prior to release (delivery of the software product to the customer or end user).
This means that testing has prevented a potential failure (an event in which a component or system does not perform a required function within specified limits) from occurring in the operational environment, and thus has improved the quality of the software product.
* Option A is not an example of testing contributing to higher quality, as it is a reporting activity that summarizes the test results and evaluates the test objectives, but does not directly affect the quality of the software product or related work products. A test summary report is a document that records and communicates the outcomes of testing activities, including test completion criteria, test results, incident reports, test summary and evaluation, and lessons learned.
* Option B is not an example of testing contributing to higher quality, as it is a planning activity that estimates the resources and time needed for testing activities, but does not directly affect the quality of the software product or related work products. A test effort estimate is an approximation of the amount of work and/or the duration of time required to perform testing activities.
* Option C is not an example of testing contributing to higher quality, as it is a preparation activity that sets up the test environment (an environment containing hardware, instrumentation, simulators, software tools, and other support elements needed to conduct a test), but does not directly affect the quality of the software product or related work products. A test environment installation is a process of installing and configuring the test environment according to the test environment specification.
References:
1: ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 10
2: ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 11
3: ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 12
4: ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 13
5: ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 13
6: ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 77
7: ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 78
8: ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 79
9: ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 80
10: ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 81
11: ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 82
12: ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 83
13: ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 84
14: ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 85
15: ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 86
16: ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 87
17: ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 88
18: ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 89
19: ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 90
20: ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 91
21`: ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 92
22: ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 93
23: ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 94
24: ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 95
25: ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 96
26: ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 97
27: ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 98
28: ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 99
29: ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 100
30: ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 101
31: ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 102
32: ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 103
33: ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 104
34: ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 105
35: ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 106
36: ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 107

NEW QUESTION # 40
Which of the following applications will be the MOST suitable for testing by Use Cases

A. The ability of an Anti virus package to detect and quarantine a new threat
B. Suitability and performance of a Multi media (audio video based) system to a new operating system
C. Accuracy and usability of a new Navigation system compared with previous system
D. A billing system used to calculate monthly charge based or large number of subscribers parameters

Answer: C

Explanation:
A new navigation system compared with a previous system is the most suitable application for testing by use cases, because it involves a high level of interaction between the user and the system, and the expected behavior and outcomes of the system are based on the user's needs and goals. Use cases can help to specify the functional requirements of the new navigation system, such as the ability to enter a destination, select a route, follow the directions, receive alerts, etc. Use cases can also help to compare the accuracy and usability of the new system with the previous system, by defining the success and failure scenarios, the preconditions and postconditions, and the alternative flows of each use case. Use cases can also help to design and execute test cases that cover the main and exceptional paths of each use case, and to verify the satisfaction of the user's expectations.
The other options are not the most suitable applications for testing by use cases, because they do not involve a high level of interaction between the user and the system, or the expected behavior and outcomes of the system are not based on the user's needs and goals. A billing system used to calculate monthly charge based on a large number of subscriber parameters is more suitable for testing by data-driven testing, which is a technique for testing the functionality and performance of a system or component by using a large set of input and output data. The ability of an antivirus package to detect and quarantine a new threat is more suitable for testing by exploratory testing, which is a technique for testing the functionality and security of a system or component by using an informal and flexible approach, based on the tester's experience and intuition. The suitability and performance of a multimedia (audio video based) system to a new operating system is more suitable for testing by compatibility testing, which is a technique for testing the functionality and performance of a system or component by using different hardware, software, or network environments. References = CTFL 4.0 Syllabus, Section 3.1.1, page 28-29; Section 4.1.1, page 44-45; Section 4.2.1, page 47-48.

NEW QUESTION # 41
Which ONE of the following elements is TYPICALLYNOTpart of atest progress report?

A. New or changed risks
B. A detailed assessment of product quality
C. Obstacles and their workarounds
D. Test metrics to show the current status of the test process

Answer: B

Explanation:
Atest progress reportprovides an overview of testing activities, metrics, and identified risks. It focuses on tracking testing progress rather thanevaluating overall product quality (B), which is typically included in a test summary reportafter testing is completed.
* (A) is correctbecause obstacles (challenges) are reported to ensure test execution stays on track.
* (C) is correctas test metrics help stakeholders track execution progress.
* (D) is correctbecause new or changed risks impact test focus and priorities.
A test progress reporttracks execution and informs stakeholders about ongoing testing activities.
Reference:ISTQB CTFL v4.0 Syllabus, Section 5.3 - Test Monitoring and Control

NEW QUESTION # 42
Which of the following statements about error guessing is true?

A. Experienced testers, when applying error guessing technique, can anticipate where errors, defects and failures have occurred and target their tests at those issues
B. Error guessing is a system that adopts artificial intelligence to predict whether software components are likely to contain defects or not
C. Error guessing refers to the ability of a system or component to continue normal operation despite the presence of erroneous inputs
D. Experienced testers, when applying error guessing, rely on the use of a high-level list of what needs to be tested as a guide to find defects

Answer: A

Explanation:
This answer is correct because error guessing is a test design technique where the experience and intuition of the tester are used to anticipate where errors, defects and failures have occurred or are likely to occur, and to design test cases to expose them. Error guessing can be based on factors such as the complexity of the system or component, the known or suspected weaknesses of the system or component, the previous history of defects, or the common types of errors in the domain or technology. Error guessing can be used as a complementary technique to other more systematic or formal techniques, or when there is insufficient information or time to apply them. Reference: ISTQB Glossary of Testing Terms v4.0, ISTQB Foundation Level Syllabus v4.0, Section 2.3.2.5

NEW QUESTION # 43
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2026 Easy Success ISQI CTFL_Syll_4.0 Exam in First Try [Q24-Q43]

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