Absolute Free CTFL_Syll2018_CH Exam Practice for Comprehensive Preparation 

Due to their differing backgrounds and perspectives, an independent lest team may discover defects which the developers did not uncover

An independent test team may possess specializations in specific test types such as usability or security which detract from the overall effectiveness of the test team

Having the business organization participate as an independent test team can hurt the overall testing effort since business participants are often not trained nor experienced in testing

No The financial value of product quality cannot be estimated so it is incorrect to use cost as an exit criteria 

Yes. Spending too much money on testing will result in an unprofitable product, and having cost as an exit criteria helps avoid this

Yes Going by cost as an exit criteria constrains the testing project which will help achieve the desired quality level defined for the project