QA Engineer Trainee Interview Questions and Answers

STLC is Software Testing Life Cycle, SDLC is Software Development Life Cycle. Software testing is the process of evaluating a system or application to find defects or errors.

• STLC is a set of activities performed to ensure the quality of a software product.

• SDLC is a framework that describes the tasks and activities required to develop and maintain software.

• Software testing is important to identify defects and ensure the quality of the software.

• Choosing to be a QA Engineer may ...read more

Control charts are statistical tools used to monitor processes and detect any changes or variations in data.

• Control charts help in identifying if a process is stable or if there are any special causes of variation present.

• Variable control charts are used when the data being measured is continuous, such as weight or length.

• Attribute control charts are used when the data being measured is discrete and can be counted, such as the number of defects in a product.

• Control charts typ...read more

Aluminium die casting is a metal casting process that involves injecting molten aluminium into a steel mold under high pressure.

• Aluminium die casting is a manufacturing process used to create complex shapes with high precision.

• The molten aluminium is injected into a steel mold cavity at high pressure, which helps in producing parts with fine details and smooth surfaces.

• Aluminium die casting is commonly used in automotive, aerospace, and electronics industries for producing co...read more

There are 1000 microns in 1 mm.

• 1 mm is equal to 1000 microns

• Micron is a unit of length equal to one millionth of a meter

• Commonly used in fields like engineering and manufacturing

Software testing is the process of evaluating a software application or system to find defects and ensure it meets the specified requirements.

• Software testing involves executing a program or application with the intent of finding errors.

• It ensures that the software meets the functional and non-functional requirements.

• It helps to identify defects early in the development cycle, reducing the cost of fixing them later.

• Types of software testing include unit testing, integration t...read more

Regression testing is the process of testing changes made to a software application to ensure that existing functionality still works as expected.

• It is performed after making changes to the software

• It ensures that existing functionality is not affected by the changes

• It helps to identify any new defects introduced by the changes

• It can be automated to save time and effort

• Examples include testing after bug fixes, new feature additions, and software upgrades

Encapsulation, Inheritance, Polymorphism are the three pillars of OOPs.

• Encapsulation: Hiding the implementation details and exposing only the necessary information.

• Inheritance: Acquiring the properties and behavior of the parent class by the child class.

• Polymorphism: Ability of an object to take many forms. Method overloading and method overriding are examples.

I am proficient in coding in Java, Python, and SQL.

• Proficient in Java, Python, and SQL programming languages

• Have experience in writing test scripts and automation using Java and Python

• Familiar with SQL for database testing and querying