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what is the difference between V model and Waterfall model 
used in SDLC?
 Question Submitted By :: Manual-Testing
I also faced this Question!!     Answer Posted By  
# 1
Waterfall Model: It includes all phases of SDLC but the
drawback is once requirement made freezed it cannot be

V-Model: In this model all phases will be done
correspondently development and testing etc.....
Is This Answer Correct ?    77 Yes 13 No
# 2
In Waterfall model,testing is carried out once the code has
been fully developed.Each work-product or activity is
completed before moving on to next.

In V-model,gives realtionship between each development
stages and Testing stages.
Once the basis for testing has been produced ,planning and
prepration can begin
Is This Answer Correct ?    53 Yes 13 No
# 3
As most of you have said, In the waterfall model each sterp
is frozen before the next step. that is the requirements
are frozen before the design starts, and once the design is
frozen the coding starts etc. But what will the testing
team do till then?????
In V model, based on the requirements the System test
cases are prepared, and based on the HLD (High level
document)the Integration Test cases are prepared, and based
on the LLD(Lowlevel document)the Integration Test cases are
prepared. and then the coding is done. once coding is
completed, unit, integration and system testing happens in
the sequence.
Is This Answer Correct ?    38 Yes 11 No
# 4
in v model developer and tester works the case
of waterfall model it's not possible.In the case of
waterfall model after finishing off all the models tester
start testing
Is This Answer Correct ?    25 Yes 8 No
# 5
waterfall model-waterfall model is very time consuming and
high costing......

v-model-v-model is not to much time consuming and high
costing and it is a process oriented
Is This Answer Correct ?    17 Yes 13 No
Arjun Chadha
# 6
Differences In V-Model and Waterfall Model
In Waterfall Model the tester role will take place only in the test phase but in V-Model role will take place in the requirement phase itself
Waterfall madel is a fixed process u can't make any changes in the requirement or in any phase.but in V-Model u can make any changes in the requirements
V-model is the simultaneous process but it is not in case of water fall model
waterfall model used only the requirements are fixed but V-model can be used for the any type of requirement(Uncertain requirement)
Is This Answer Correct ?    5 Yes 1 No
# 7
In Waterfall, testing will be done only after the software product is completely build.
In V model testing will be done in each phase of s/w development life cycle.
Is This Answer Correct ?    4 Yes 1 No
# 8
V model satges:
1.component testing
2.integration Testing
3.System Testing
4.acceptance Testing
Waterfall model stages:
1.User Requerement
2.System Requirement Design
4.Detailed Design
Is This Answer Correct ?    6 Yes 39 No
Neha Shrivastava
# 9
generally speaking waterfall model is used for desktop
applications and v-model is used for both desktop and web
based applications
Is This Answer Correct ?    26 Yes 60 No

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