What is the minimum number of test cases needed to achieve the minimum acceptable level of coverage for this use case?

For the use case Copy A4 to A4 for a new copier, the following scenarios were identified.

Basic scenario single-sided to single-sided.

Alternatives single-sided to double-sided, copy of a set, copy using the automatic document feeder Errors: no paper in paper tray, paper jam, out of staples.

What is the minimum number of test cases needed to achieve the minimum acceptable level of coverage for this use case?
A . 1
B . 4
C . 5
D . 7

View Answer

Answer: D

Explanation:

The minimum acceptable level of coverage for this use case is to cover all the scenarios and their combinations.

Therefore, we need at least one test case for each of the following:

Basic scenario single-sided to single-sided

Alternative single-sided to double-sided

Alternative copy of a set

Alternative copy using the automatic document feeder

Error no paper in paper tray

Error paper jam

Error out of staples Reference = ISTQB Certified Tester Advanced Level Syllabus Technical Test Analyst, page 63, section 4.4.2.2.