ISTQB Exam ATTA Topic 2 Question 22 Discussion

Part 1 "Test Techniques various"

The result of a product risk analysis performed on components I, II and III of the airplane control system shows the following risk matrix:

The project wants to mitigate the risks by defining different types of coverage depending on the risk level of the components. Which of the following would be a meaningful solution for setting the coverage targets? 2 credits [K3]