After all the levels of testing is completed, the last and final testing
level is User Acceptance Testing(UAT). It is done by the user or the client who
is going to use the system as the end user. User acceptance testing process
helps to identify the practical defects which were not identified during other
phases of testing. Here the testing is carried out in terms of the practical
approach without considering the technical specification of the software.
Lets
assume a mobile based application is under UAT here the end user will be asked
to test the app. The end user may not be a technical expert about the app but
he has some need to use that app. So he will test the app as per his needs without
considering technical specifications of it. He will use the app in a manner to
help him in resolving his problem or satisfying his needs. Testing team can
help him to understand how to operate the system or with the basic operations
of the system.
UAT can be done in two ways first being Alpha Testing, inviting
the customer to our location and asking to test the software in a simulated
environment which resembles the actual environment. Guidelines will be given to
the customer about handling the software and it will be tested. Second is
providing an evaluation copy of the software to the customer and asking him to
test it in his own location, i.e, a beta version will be released and then the
software will be used by the end users and the defects identified will be
notified to the corresponding development team and it will rectified. This method
is called beta testing.
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