It is among the common associate software engineer interview questions. During the alpha testing process, the customer performs the test under the developer's supervision and tests the product's complete version under the developer's supervision. In this case, the testing will be carried out at the site of the developer. Beta testing is a form of testing where the software version is tested by the customer, without the developer being present, to determine the software's quality. As part of this process, testing is performed at the site of the customer.