When should testers be involved in reviewing a UAT specification?

What is integration testing?

Which set of test data (representing ages of human beings in years) given below shows equivalence partitioning to verify if a customer is in its thirties (A person whose age is between thirty and thirty-nine years, inclusive) or not?

Which of the following sentences about testing and debugging is correct?

Your company is developing a system with complex business rules and many branches in the structure of its code components. You need to choose one black box technique and one white box technique for test case design.
Which one of the following offers the BEST choice?