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Which of the following can be considered a VALID exit criterion? I Estimates of defect density or reliability measures. II . The completion and publication of an exhaustive Test Report. III . Accuracy measures, such as code, functionality or risk coverage. IV Residual risks such as lack of code coverage in certain areas.
The following diagram displays the logical dependencies between requirements and the individual requirement priorities. For example, 'R2->R3' means that R3 is dependent on R2. Priority is indicated by the number next to the letter ''P' i.e. P1 has a higher priority than P2. Which one of the following options best describes the test execution sequence using both requirement dependency and priority
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?
Which of the following about typical information found within a test plan is FALSE?
Consider the following simplified version of a state transition diagram that specifies the behavior of a video poker game: What Is the minimum number of test cases needed to cover every unique sequence of up to 3 states/2 transitions starting In the 'Start' state and ending In the 'End' state?
Which of the following BEST matches the descriptions with the different categories of test techniques? 1. Test cases are based on the test basis which may include the requirements, use cases and user stories 2. Test cases are based on the test basis which may include the software architecture or code 3. Test cases can show deviations from the requirements 4. These test techniques are applicable to both functional and non-functional testing 5. Tests are based on knowledge of developers, users and other stakeholders Black - Black-box test techniques White * White-box test techniques Experience - Experience-based test techniques
For the same financial institution in Question 12, with the same requirements and expectations, what would be the most likely investment values used in testing if two-point boundary value analysis is used to design test cases specific to the 13% interest rate equivalence partition?
The following decision table is used to assist a doctor in determining the drug therapy to prescribe for a patient (aged 6 to 65 years) diagnosed with acute sinusitis. The table consists of three Boolean conditions and six actions Based only on the given information, which of the following statements is TRUE?
Which of the following is a factor that contributes to a successful review?
A class grade application for instructors assigns letter grades based on students' numerical grades. The letter grades for different numerical grades should be: Above 89, up to 100 - A Above 79, up to 89 * B Above 69, up to 79 * C Above 59, up to 69 - D Below 60 - F Which of the following sets of test inputs would achieve the relatively highest equivalence partition coverage?

Question 37 - CTFL4 discussion

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A mid-size software product development company has analyzed data related to defects detected in its product and found out that detects fixed in earlier builds are getting re-opened after a few months.

The company management now seeks your advice in order to reverse this trend and prevent re-opening of defects fixed earlier.

What would be your FIRST recommendation to the company?

A.
Automate existing test suits so that lesser time is spent on execution of each test, and more tests can be executed m the available time thus leading to a lower probability of defects slipping by
Answers
A.
Automate existing test suits so that lesser time is spent on execution of each test, and more tests can be executed m the available time thus leading to a lower probability of defects slipping by
B.
Verify existing regression test suite are adequate, and augment it, if required, in order to ensure that defects fixed earlier get re-tested in each subsequent build
Answers
B.
Verify existing regression test suite are adequate, and augment it, if required, in order to ensure that defects fixed earlier get re-tested in each subsequent build
C.
Analyze the product modules containing maximum defects, and get them thoroughly tested and defects fixed as a one-time activity
Answers
C.
Analyze the product modules containing maximum defects, and get them thoroughly tested and defects fixed as a one-time activity
D.
If required, tram the teams responsible for development and testing of the modules containing maximum number of defects, and if this does not help, replace them with more knowledgeable people
Answers
D.
If required, tram the teams responsible for development and testing of the modules containing maximum number of defects, and if this does not help, replace them with more knowledgeable people
Suggested answer: B

Explanation:

Regression testing is a type of testing that verifies that previously tested software still performs correctly after changes. Regression testing can help prevent re-opening of defects fixed earlier by ensuring that they do not cause any new failures or side effects. The first recommendation to the company is to verify existing regression test suite are adequate, and augment it, if required, in order to ensure that defects fixed earlier get re-tested in each subsequent build. This can help improve the coverage and effectiveness of regression testing and detect any regression defects as soon as possible. Automating existing test suites may also help reduce the time and effort required for regression testing, but this is not the first recommendation, as automation may not be feasible or cost-effective for all test cases. Analyzing the product modules containing maximum defects and getting them thoroughly tested and defects fixed as a one-time activity may also help reduce the defect density and improve the quality of those modules, but this is not the first recommendation, as it does not address the root cause of re-opening defects fixed earlier. Training or replacing the teams responsible for development and testing of the modules containing maximum number of defects may also help improve their skills or performance, but this is not the first recommendation, as it may not be necessary or appropriate for all teams. Verified

Reference: [A Study Guide to the ISTQB Foundation Level 2018 Syllabus - Springer], Chapter 2, page 19; Chapter 4, page 45.

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asked 18/09/2024
alex aguirre
43 questions
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