16. Which of the following is NOT true about comments

A. Comments should use problem domain terminology 
B. They should explain the code at cruicial places only 
C. They should be used to document changes to the code 
D. They add up to the LOC size of the software 

17. The two questions ‘Are we building the right product?’ & ‘Are we building the product right?’ correspond to

A. Verification only 
B. Validation only 
C. Validation and Verification respectively 
D. Verification and Validation respectively 

18. A test case design technique that makes use of a knowledge of the internal program logic

A. Black Box Testing 
B. White Box Testing 
C. Unit Testing 
D. None of these  

19. Which of the following is not a White box testing method

A. Statement coverage 
B. Error guessing 
C. Path coverage 
D. Condition Coverage 

20. A Test case includes

A. Input 
B. Expected output 
C. information of function under test 
D. All of these options 

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