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

Supercar is an online vehicle sales website specializing in a single manufacturer's Sports Utility Vehicles (SUVs) and saloons. A vehicle has two key elements, power unit and body style. The manufacturer offers three choices of power unit: petrol, diesel and hybrid. There are 3 main body styles:
Saloon, Hatchback and SUV. SUVs only come as petrol and diesel options. Hybrid is available for Hatchback only. The site will allow an order to be processed if at least one of the chosen vehicle configuration is in stock, otherwise a message will be displayed asking the user to try again later.
As a tester you are asked to review the "Supercar" specification before starting to design the corresponding test cases.
Which of the comments below would you make?
[K3] 2 credits

Consider the following decision table, How many cases are left when this decision table is collapsed?
[K3] 3 credits

Using the state diagram (based on the "Route Calculation"), how many test cases are needed to achieve 1-switch coverage?
[K3] 3 credits

As a test analyst you are gathering data to support accurate metrics. Which of the following metrics would be MOST appropriate to use to monitor product quality?
[K2] 1 credit