[Which Testing is most important in SDLC process]

Can anyone please tell “Which Testing is most important in SDLC process” and why?

There are different types of testing and majorly categorised into functional and non-functional testing.Depending upon the requirement of the user/client we apply those testing strategies…

Following are different testing strategies:

Functional:

1.Unit Testing

2.Integration Testing

3.System Testing

4.Positive Testing

5.Negative Testing

6.Smoke Testing

7.Sanity Testing

8.Regression Testing

9.Database Testing

10.Interface Testing

Non-Functional Testing:

1.Browser compatibility

2.Configuration Testing

3.Performance

4.Migration

5.Security

6.Rise based Testing