Verification and Validation Model
(V Model)
This model follows the sequential approach and the testing activities
are started in the early stages along with development activities
Meeting point in this model is Coding.
Verification and validation techniques are used and started in the
early stages.
Testing is conducted in every
level. As per that we have separate concept of Testing levels in SDLC.
When to choose: Clear Requirements, when we need high quality product.
Advantage: Risk management is easy; quality application can
be produced.
Disadvantage: Not suitable for dynamic changes.
Interview Questions_033: When to
choose V –Model?
Interview Questions_034: How it
is different from other models?
Now-a-days every MNC is following Agile model. In this model,
a team of members called Scrum Team will take all the activities.
Client can be closely associated with development team.
At first small unit of the application is implemented and delivered
the initial build to the client and testing team for getting approval. If the
client satisfies then development team will move to the implementation of next
unit otherwise modification work will be done on the current module until the
client satisfies.
Total application is implemented in this way and delivered
to the client finally.
Implementation
- à
Build1
/ \
/ \
Client Testing Team
Satisfies à next module otherwise
rework on first build
When to choose: To handle dynamic changes along with
production of quality application.
Advantage: Dynamic changes can be handled, high quality application
will be produced.
Disadvantage: Less documentation work, Strict schedule is
required.
Interview Questions_035: Do you really think this model is
useful than other models. If explain with your opinion??
Interview Questions_036: According to you , which model is better
to deliver the high quality product within estimated time?
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