ITPEC IP April 2021 Question 47

Source exam: ITPEC IP April 2021Topic: System Development Technology

ITPEC IP April 2021 — Question 47 of 100

Testing only input and output behavior without access to internal structure is black-box testing. Test cases are derived from specifications and business transactions, and the observed outputs are compared with expected results without considering code paths or implementation details.

Answer (c)

Why not others:
- inspection and walkthrough are static review techniques

- white-box testing uses knowledge of internal logic, branches, and paths

Key rule: Black-box testing validates externally visible behavior; white-box testing examines internal implementation coverage.

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