A diamond retailer is introducing a new stock taking system. Each diamond is assigned a character that represents the colour. The valid domain for the character ranges from D to Z.
The colour is then graded using the following scale:
Which of the following test sets will provide the best equivalence partitioning coverage? [K3] 2 credits

Apart from state transition testing, which other specification-based technique would you additionally choose to test the interfaces between components of "Route Calculation" and thus typically find different types of defects?
Identify the MOST likely technique from the following list.
[K4] 3 credits

A car navigation system needs to be integrated in the overall car software. Interoperability testing is thus considered to be important. Which of the following techniques is most likely be used to support interoperability tests?
[K2] 1 credit

A SUMI test was performed at an early stage within the system test. Hereafter you find the results of the SUMI test.
Based on these results, what would you recommend as the most appropriate approach for usability testing?
[K4] 3 credits

Based on the classification tree show below, how many test cases are required using the classification tree method?
[K3] 2 credits