Shift-left testing means
AMoving testing earlier in the SDLC
BMoving testing to a left-handed mouse
CMoving servers to left data centres
DMoving testers to left of the room
Answer & Solution
Correct answer: A. Moving testing earlier in the SDLC
Shift-left brings test activities earlier (requirements review, TDD, unit tests, code review, static analysis) to catch defects when they are cheap. Shift-right also exists (production monitoring, chaos engineering, A/B testing).
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