Explain v-model clearly ? how it works in real time on a project?

Answer Posted / rashmi sumit

V model stands for Verification and Validation model.
Verification is a static process and includes walkthrough,
inspection,review,coding.
Validation is a dynamic process and includes unit testing,
integration, system and acceptance testing.
Requirement<-Acceptance Testing
HLD(High Level Design)<-System Testing
LLD(Low Level Design)<-Integration testing
Code<-Unit Testing.

The arrows pointing towards left indicate that eat of the
level of testing should meet the expectations of the
corresponding verification activity.
For ex-Unit Testing should meet the req of the Code,
Integration Testing should meet req of Low Level Design
spec and so on.

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