what is the difference between waterfall model & v-model?

Answer Posted / @bhi

Waterfall model comes uder SDLC while V model comes under
STLC,in waterfall model testing is done after completion of
project but in v model testing starts from first phase i.e
from requirement.In Waterfall model no correction or
changes is done and in v model after acceptance testing the
changes can be done.

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