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Based on the classification tree shown below, using the pairwise testing technique how many test cases are required to test all pairs?
Table
Colour
Shape
Size of triangle
Red
Triangle
Small
Blue
Circle
-
Green
Triangle
Large
Red
Circle
-
Blue
Triangle
Small
Green
Circle
-
Red
Triangle
Large
Blue
Triangle
Large
You are testing software which is being ported from one platform to another. There are no documented requirements and there is no time budgeted for writing them.
Which type of test technique is most useful in this situation?
You are building tests using the classification tree below. You have been told that pairwise testing would be a good approach to this problem. When you apply the pairwise testing technique what would be the expected effect on the number of test cases?
Pairwise testing is a technique that reduces the number of test cases by testing only pairs of values for each data item, instead of testing all possible combinations. Pairwise testing is based on the assumption that most defects are caused by interactions of at most two factors. Pairwise testing can be applied to this problem using the classification tree, which shows the data items and their values. By using pairwise testing, the number of test cases will be lower than exhaustive testing, which would require testing every combination of values for each data item.Reference=
ISTQB Certified Tester Advanced Level Syllabus Technical Test Analyst1, page 2
Data Combination Test (DCoT) | TMap2, section ''Coverage level''
Pairwise Software Testing - GeeksforGeeks3, section ''Introduction''
You are a test analyst for a company that produces video games in large quantities for the consumer market. You have been assigned to ensure that the latest product meets the usability requirements
specified by your market research division and meets the expectations of your targeted audience. How might you go about determining if the product you are testing is acceptable?
The correct answer is D. Incorporate SUMI to provide objective usability acceptance criteria.
SUMI
Reference =
ISTQB Certified Tester Advanced Level Syllabus Test Analyst2, Section 3.2.2 Usability
ISTQB Test Analyst Syllabus and Study Guide3, Section 3.2.2 Usability
SUMI User Manual4, Section 1.1 What is SUMI?
As a Test Analyst you are involved in the early stages of an acceptance test for a Product Data Management system. You are asked to write test designs and test cases based on use cases. An early version of the system is already available. It is expected that many things will change (including the user interface) during implementation of the new version.
The tests will be conducted by end-users with much domain knowledge who have also been involved in the project defining the user requirements (in the format of use cases) and reviewing other documentation.
What Is the BEST option regarding the level of detail and documentation required for test cases in the project?
The level of detail and documentation required for test cases in the project depends on the type of application under test, the standards followed by the organization, and the maturity of the development process. For a web application that is undergoing frequent changes, it is advisable to use high-level test cases that describe the main features and functionalities from a user's perspective, and low-level test cases that provide more details and specifications for each feature. High-level test cases can be supported by low-level test cases to ensure traceability between the requirements and the test scenarios, as well as to facilitate future changes or enhancements. Low-level test cases can also be reviewed and updated by the end-users who have extensive domain knowledge and are involved in the project.Reference=
ISTQB Certified Tester Advanced Level Overview of Syllabi1, page 10
ISTQB Certified Tester Advanced Level Syllabus Technical Test Analyst2, page 2
