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ISRO | ISRO CS 2011 | Question 34

  • Last Updated : 10 May, 2018

Black Box Software Testing method focuses on the
(A) Boundary condition of the software
(B) Control structure of the software
(C) Functional requirement of the software
(D) Independent paths of the software

Answer: (C)

Explanation: Black box testing is used to check the functionalities of the software without getting involved in the internal structure of the software. It is known as Black box testing as the internal structure of the software is not known to the tester.These functionalities include:

1) Incorrect or missing functions.
2) Interface errors.
3) Errors in data structures or external database access.
4) Behavior or performance errors, and
5) Initialization and termination errors.

Also, there are various techniques in developing test cases for black box testing. Two most common techniques are Equivalence Partitioning and Boundary Value Analysis.

Option (C) is correct.

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