Which of the following statements about use-case testing are most accurate?
(i)In a use-case diagram an actor represents a type of user.
(ii)Use-cases are the most common test basis for unit testing.
(iii)A use-case describes interactions between actors.
(iv)An actor is always a human user that interacts with the system.
(v)Test cases can be based on use-case scenarios.
(vi)Use-case testing will often identify gaps not found by testing individual components.

• A.i, ii, iv, v
• B.iii, iv, v, vi
• C.ii, iii, iv, v
• D.i, iii, v, vi

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Which list of levels of tester independence is in the correct order, starting with the most independent first?

• A.Tests designed by the author; tests designed by another member of the development team; tests designed by someone from a different company.
• B.Tests designed by someone from a different department within the company; tests designed by the author; tests designed by someone from a different company.
• C.Tests designed by someone from a different company; tests designed by someone from a different department within the company; tests designed by another member of the development team.
• D.Tests designed by someone from a different department within the company; tests designed by someone from a different company; tests designed by the author.

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Which of the following would be the most significant input to estimating the time to carry out the specified testing tasks?

• A.The number of testers in the company and their grade.
• B.The standards used for the requirements specification.
• C.The skills and experience of developers to correct the failures.
• D.The metrics recorded from testing the capture-replay tool.

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