Answer Posted / nithya
Verification:
Verification is static testing.This testing involves
walkthroughs,reviews ,inspections.This is testing whether
design document is prepared according to the requirements
or whether there is any deviation from it.This is testing
whether the developer has coded according to the design doc
(requriement) or is there is any deviation dfrom it.This is
checking whether test cases are written according to the
design and requirement docs or is there is any deviation
from it.On the whole this is just verifying whether we are
building the Product right or are we deviating from what's
expected to be achieved.Here v dont perform any testing on
the application we just verify everything manually thatsy
it's called static Testing.
Validation:Validation is dynamic testing.Here we validate
the applcaition to confirm that the application works
satisfying the customer's needs.verification is checking
whether v are building the Product right satisfying
customer needs.in this teting v enter valid and invalid
inputs and observe how application behaves.To perform
validation for the applciation v implement techniques like
boundary value analysis,Erro guessing and Equivalence
partitioning.
verification and validation together is called V model.The
name V is given considering the time gap.Time gap b/t unit
testing and coding is less compared to the time time gap
b/w UAT and requirements gathering.Time increases
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