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Question 33 - CTFL4 discussion

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Which of the following statements about decision tables are TRUE?

I . Generally, decision tables are generated for low risk test items.

II . Test cases derived from decision tables can be used for component tests.

III . Several test cases can be selected for each column of the decision table.

IV . The conditions in the decision table represent negative tests generally.

A.
I . Ill
Answers
A.
I . Ill
B.
I, IV
Answers
B.
I, IV
C.
II . IV
Answers
C.
II . IV
D.
II . Ill
Answers
D.
II . Ill
Suggested answer: D

Explanation:

A decision table is a technique that shows combinations of inputs and/or stimuli (causes) with their associated outputs and/or actions (effects). A decision table consists of four quadrants: conditions (inputs), actions (outputs), condition entries (values) and action entries (results). The following statements about decision tables are true:

II . Test cases derived from decision tables can be used for component tests. Decision tables can be used to test components that have multiple inputs and outputs that depend on logical combinations of conditions. Decision tables can help cover all possible combinations or scenarios in a systematic way.

III . Several test cases can be selected for each column of the decision table. A column of a decision table represents a unique combination of condition entries and action entries. Several test cases can be selected for each column by varying other input values or expected results that are not part of the decision table. The following statements about decision tables are false:

I . Generally, decision tables are generated for low risk test items. Decision tables are not related to risk level, but rather to complexity level. Decision tables are generated for test items that have complex logic or multiple conditions and actions that need to be tested.

IV . The conditions in the decision table represent negative tests generally. The conditions in the decision table represent both positive and negative tests, depending on whether they are valid or invalid inputs for the test item. Verified

Reference:A Study Guide to the ISTQB Foundation Level 2018 Syllabus - Springer, Chapter 4, page 42-43.

asked 18/09/2024
Simon Merlin AGHOKENG
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