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Which of the following statements BEST describes one of the seven key principles of software testing?
One of the seven key principles of software testing is that exhaustive testing is impossible. This principle highlights the impracticality of testing all possible input and output combinations due to the vast number of permutations. Instead, risk-based and prioritized testing approaches should be used to focus on the most critical areas. This principle is fundamental in the ISTQB CTFL Syllabus, emphasizing the importance of efficient test strategy over attempting exhaustive testing.
Which activities form part of test planning?
i) Developing test cases.
ii) Defining the overall approach to testing.
iii) Assigning resources.
iv) Building the test environment.
v) Writing test conditions.
Test planning involves defining the overall approach to testing and assigning resources. According to the ISTQB CTFL syllabus v4.0, the activities that form part of test planning include determining the scope, approach, resources, and schedule of testing activities. Developing test cases, building the test environment, and writing test conditions are activities that belong to the later phases of the testing process, such as test design and implementation.
During the development of a software change for a system, the developer makes a mistake in his work, which leads to a fault in the code. Unfortunately the fault is not found by software testing and is released into live.
What is the definite consequence of this mistake?
When a developer makes a mistake that introduces a fault in the code, and this fault is not detected during testing, it becomes a latent defect. The definite consequence is that if this defect is executed under specific conditions, it may cause the system to fail. The actual failure occurs only when the defect is triggered during the system's operation. This emphasizes the importance of thorough testing to catch such defects before the software is released.
Which of the following metrics could be used to monitor progress along with test preparation and execution? [K1]
The failure rate in testing already completed is a useful metric to monitor progress along with test preparation and execution. It provides insight into the effectiveness of the tests and the quality of the product, helping to identify areas that may require additional attention or resources.
Typically, exit criteria may consist of:
Typically, exit criteria may consist of various metrics that indicate whether testing has been sufficiently thorough. Estimates of defect density or reliability measures are common exit criteria used to decide if the software is ready for the next stage or release. These criteria help in assessing the quality and stability of the software based on the number and severity of defects found during testing.
