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Quality Assurance Interview Questions and Answers

Updated Apr 18, 2019

What is QA and what does QA stand for?

QA stands for Quality Assurance which defines the different processes that are used to assess the quality of a product and whether it meets the user’s requirements. It consists of a set of metrics against which the product like a software solution is evaluated.

Explain importance of Quality Assurance.

Quality Assurance is important to ensure that the final product meets the customer expectations within the established standards. It saves cost for the companies as the assessment helps to detect errors and issues before deployment of the product. It also helps in gaining the customer’s trust and developing the brand.

What is the concept of QA?

Different companies follow the approach of Quality Assurance to improve the quality of their goods and services. The process is applied through Quality Testing to increase the customer’s confidence in the brand or the company.

The different methods used in the process are namely Total Quality Management, Statistical Control and Failure Testing.

What is the difference between QA and QC?

The differences between Quality Assurance and Quality Control are:

Quality Assurance Quality Control
It provides an assurance that the requested product quality will be achieved. It is a process consisting of the steps to achieve quality standards.
The program is not always executed here. The program is always executed here.
The errors are prevented. The errors are identified and resolved.
The deliverables are created here. The deliverables are verified in this process.
It involves the complete software development life cycle. It involves the complete software testing life cycle.

What is a Test Plan in QA?

A Test Plan is a basic strategy of testing any software product that contains the activities and steps that will be taken in the testing process. It is used to track the overall progress of the project’s development. Features like tester independence, testing environment, possible risks etc.

Which stage in a "Quality Assurance" test that verifies the code functions as intended?

In the staging stage of Quality Assurance, the code functions are verified.

What is the difference between Software Testing and Software Quality Assurance?

The differences between Software Testing and Software Quality Assurance are:

Software Testing Software Quality Assurance

The process tests the product for detecting bugs and errors.

Quality Assurance is important to ensure that the final product meets the customer expectations within the established standards.
The process is product oriented. This is process oriented.
The product is actually tested. The procedures are analyzed rather than the actual testing methods.
This is a subset of Quality Control. This is a component of the Software Test Life Cycle.

What are bug ratings in Quality Assurance?

A bug report is a list of defects or bugs found during the testing process of a software product. The bug ratings or severity can be defined as the possible impact of the bug on the application.

Why is data quality assurance so important for a business?

Data quality assurance is important for any business as most enterprises depend heavily on data these days.

The assurance of the data is important as managing the huge databases of the client, customer and business information is necessary for the proper functioning of the firm. Consistent and high-quality data is required to develop the brand, customer relationships, and marketing strategies.

What are Quality Assurance tools?

The different Quality Assurance tools are:

  • Cause and effect diagram
  • Check sheet
  • Histogram
  • Stratification
  • Pareto chart
  • Histogram
  • Control chart
  • Scatter diagram

What is a quality assurance coordinator?

A quality assurance coordinator works in different sectors where the main responsibility is to ensure that the products developed in the firm are adhering to the quality standards.

The coordinator analyzes the effectiveness of the current programs and reviews policies, programs and standards that are set. Training staff for enhancing quality procedures is also a responsibility.