Interview Questions 155

What is Black box testing?It is test where a tester performs testing without looking into the code. (OR it is a testing method where the application under test is viewed as a black box and the internal behavior. of the program is completely ignored. Testing occurs based upon the external specifications. Also known as behavioral testing, since only the external behavior. of the program is evaluated and analyzed.)

What is White box testing?It is a test where a tester looks into the code and performs the testing.

What is Alpha testing?In this type of testing, the users are invited at the development center where they use the application and the developers note every particular input or action carried out by the user. Any type of abnormal behavior. of the system is noted and rectified by the developers.

What is Beta testing?In this type of testing, the software is distributed as a beta version to the users and users test the application at their sites. As the users explore the software, in case if any exception/defect occurs that is reported to the developers.