Karnali Province2079 BSQuestion 3 of 3

What is the importance of software testing? Mention any two types of software testing.

5 marks

Exam year: 2079 BS / 2022 AD
Level: Level 5 (Sahayakstar)
Paper: Section Kha – Short Answer
Section: Section Kha: Short Answer

Model answer

Testing in SDLC catches defects before citizens face them — a wrong subsidy calculation costs more after release than during test. It verifies requirements, security and usability.

Two types (consistent with SI paper):

White-box — Developer tests internal logic/paths with code knowledge. Example: all IF branches of login.
Black-box — Tester checks inputs vs outputs without code. Example: wrong password → "Invalid login"?

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