V-Model is an extension of which SDLC model ?
2026
V-Model is an extension of which SDLC model ?
- A.
Agile
- B.
Spiral
- C.
RAD
- D.
Waterfall
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Correct answer: D
The V-Model is an extension of the Waterfall SDLC model. It adds a verification and validation phase to each development stage, creating a V-shaped structure that emphasizes testing at every level of the software lifecycle.