ATA: ISTQB Advanced Level Test Analyst

By ISTQB · Question Mode

QuestionQ48

Test Analysis and Test Design

While identifying scenarios for the use case "copy A4 – A4" for a new copier, these scenarios were identified:

  • Basic scenario: single side to single side
  • Deviations: single side to double side, copy of a set, copy using the automatic document feeder
  • Failures: no paper in paper tray, paper jam, out of staples

During interviews with both development and end-users, it was established that the failure scenarios can occur during the basic scenario and during each of the deviations.

How many test cases are needed to achieve full coverage for both valid and invalid situations?

Explanation

The basic scenario and three deviations require four valid test cases. Each of the three failure conditions must also be tested in every one of those four scenario paths, requiring 12 invalid test cases. The total is 16 test cases.

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