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Can some one Pls tell me exact difference between System testing ,END to End and UAT.

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Hi Raja,

System testing is nothing but testing the whole application
which was integrated all the modules.

In system testing, there are two type of testing
1.Functionality testing
2.Non-functionality testing

Functionality testing means test whether application
functioning as per requirement or not.
In non-functionality testing, there are several types:

e.g Load, stress, performance, reliability, security,

usability,configuration, compatibility(forward & backward),
scalability etc.

End to end testing :
is similar to system testing : involves testing of a complete application environment in a situation that mimics real-world use, such as interacting with a database, using network communications, or interacting with other hardware, applications, or systems if appropriate.

UAT: [User Acceptance Testing]

Once the application is ready to be released the crucial step is User Acceptance Testing.

In this step a group representing a cross section of end users tests the application.
The user acceptance testing is done using real world scenarios and perceptions relevant to the end users.

Correct me if i m wrong ...
System Testing: Testing conducted on a complete, integrated system to evaluate the system's compliance with its specified requirements.
End to End testing: The entire project, i.e which has many integrated systems, are tested. Testing of complete application environment such as interacting with database,using network communication or interacting with other h/w & so on.

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