Exam CTAL-TM topic 8 question 31 discussion

A number of options have been suggested for the level of independence to be employed for the testing on the next project, and are shown below.
I: External test specialists perform non-functional testing.
II: Testing is outsourced.
III: Testing is carried out by the developer.
IV: A separate test team carries out the testing.
V: Testing is performed by the business.
VI: Testing is performed by a different developer.
Which of the following orders the above in a correct order of independence? 1 credit