EXAM CTFL_SYLL_4.0 VCE - CTFL_SYLL_4.0 ACTUAL EXAMS

Exam CTFL_Syll_4.0 Vce - CTFL_Syll_4.0 Actual Exams

Exam CTFL_Syll_4.0 Vce - CTFL_Syll_4.0 Actual Exams

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ISQI ISTQB Certified Tester Foundation Level (CTFL) v4.0 Sample Questions (Q148-Q153):

NEW QUESTION # 148
A company runs a pilot project for evaluation of a test automation tool. Which of the following is NOT a valid object of this pilot project?

  • A. Get familiar with the functionality and options of the tool
  • B. Train all testers on using the tool
  • C. Check haw the tool fits to the existing test processes
  • D. Decide upon standards for tool implementation

Answer: B

Explanation:
* A pilot project is a small-scale experiment or trial that is conducted to evaluate the feasibility, effectiveness, and suitability of a test automation tool before implementing it on a larger scale1.
* The objectives of a pilot project may vary depending on the context and scope of the test automation initiative, but some common ones are2:
* To get familiar with the functionality and options of the tool
* To check how the tool fits to the existing test processes and environment
* To assess the benefits and challenges of using the tool
* To decide upon standards and guidelines for tool implementation and usage
* To estimate the costs and resources required for tool deployment and maintenance
* Therefore, option C is not a valid objective of a pilot project, as it is not necessary to train all testers on using the tool at this stage. Training all testers on using the tool would be more appropriate after the tool has been selected and approved for full-scale implementation, and after the standards and guidelines have been established. Training all testers on using the tool during the pilot project would be inefficient, costly, and premature, as the tool may not be suitable or effective for the intended purpose, or may be replaced by another tool later.
References:
* 1: ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 82
* 2: ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 83
* : ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 84
* : ISTQB Certified Tester Foundation Level Syllabus 2018, Version 4.0, p. 85


NEW QUESTION # 149
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% Stale transition coverage
  • B. 100% Boundary value 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. Reference = 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 # 150
Consider the following defect report for an Exam Booking System
Defect ID: ST1041 | Title: Unable to cancel an exam booking | Severity: Very High | Priority: Very High | Environment: Windows 10, Firefox Description: When attempting to cancel an exam booking using the cancel exam feature, the system does not cancel the exam even though it shows a message that the exam has been cancelled.
Which ONE of the following indicates the information that should be added to the description for reproducing the defect easily?

  • A. Repeating the test case with different browsers and logging a separate defect for each one of them
  • B. Providing better severity and priority. It is not clear why this is a high severity problem as the exams can be booked without any problem.
  • C. Providing exact steps that lead to this defect. It is not clear from the description if this is a problem for any scheduled exam or for a specific user.
  • D. The defect Id used is alphanumeric in nature. It should be a number only.

Answer: C

Explanation:
To reproduce a defect easily, the defect report should include detailed steps that clearly describe how to encounter the issue. This includes the specific actions taken, the expected result, and the actual result observed. In the given defect report, it is not clear if the issue occurs for any scheduled exam or if it is user-specific. Providing exact steps helps developers and testers replicate the issue and understand its context better, leading to quicker and more effective resolution.


NEW QUESTION # 151
Can "cost" be regarded as Exit criteria?

  • A. No. The financial value of product quality cannot be estimated, so it is incorrect to use cost as an exit criterion
  • B. Yes. Spending too much money on test ng will result in an unprofitable product, and having cost as an exit criterion helps avoid this
  • C. No The cost of testing cannot be measured effectively, so it is incorrect to use cost as an exit criterion
  • D. Yes. Going by cost as an exit criterion constrains the testing project which will hello achieve the desired quality level defined for the project

Answer: B

Explanation:
Cost can be regarded as an exit criterion for testing, because it is a factor that affects the profitability and feasibility of the software product. Testing is an investment that aims to improve the quality and reliability of the software product, but it also consumes resources, such as time, money, and human effort. Therefore, testing should be planned and executed in a way that balances the cost and benefit of testing activities. Having cost as an exit criterion helps to avoid spending too much money on testing, which may result in an unprofitable product or a loss of competitive advantage. Cost can also help to prioritize and focus the testing efforts on the most critical and valuable features and functions of the software product. However, cost should not be the only exit criterion for testing, as it may not reflect the true quality and risk level of the software product. Other exit criteria, such as defect rate, test coverage, user satisfaction, etc., should also be considered and defined in the test plan.
The other options are incorrect, because they either deny the importance of cost as an exit criterion, or they make false or unrealistic assumptions about the cost of testing. Option B is incorrect, because the financial value of product quality can be estimated, for example, by using cost-benefit analysis, return on investment, or cost of quality models. Option C is incorrect, because going by cost as an exit criterion does not necessarily constrain the testing project or help achieve the desired quality level. Cost is a relative and variable factor that depends on the scope, complexity, and context of the software product and the testing project. Option D is incorrect, because the cost of testing can be measured effectively, for example, by using metrics, such as test effort, test resources, test tools, test environment, etc.


NEW QUESTION # 152
Which of the following is an example of scenario-oriented acceptance criteria?

  • A. The user should be able to provide three inputs to test the product - the Al model to be tested, the data used and an optional text file
  • B. Verify that a registered user can create add a new project with name having more than 100 characters
  • C. A user is already logged in then on navigating to the Al model testing page the user should be directly shown the report of last test run.
  • D. An unregistered user shouldn't be shown any report.

Answer: C

Explanation:
Scenario-oriented acceptance criteria describe how a system should behave in a specific situation or scenario.
These criteria are typically written from the end-user's perspective and focus on user interactions and system responses. Option D fits this description as it outlines a specific scenario where a user is already logged in and describes the expected behavior when the user navigates to a particular page, which is to show the report of the last test run. This type of criterion ensures that the system meets user expectations in that scenario.


NEW QUESTION # 153
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