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                              Q:
                           
                           
                                                      | A) Testing | B) Manufacturing | 
| C) Delivering | D) None of the above | 
                              Answer:   A) Testing
                              
                                                            
                              
Explanation:
                               
                           
                           Explanation:
Quality assurance (QA) is a way of preventing mistakes and defects in manufactured products and avoiding problems when delivering solutions or services to customers.
 
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