Top 20 SDET Interview Questions & Answers (2022 Update)

SDET Interview Questions
  • Differentiate between Software Development Engineer in Test (SDET) and Manual Tester.
  • What do you understand about ad-hoc testing?
  • What do you understand about code inspection in the context of software testing? …
  • What is a bug report in the context of software testing?

Top 25 Java Interview Questions and Answers for SDET

17. What do you understand about beta testing? What are the different types of beta testing?

Genuine consumers of the software product conduct beta testing in a real-world context. User Acceptance Testing, sometimes known as beta testing, is a type of UAT. A small number of product users are provided with a beta version of the application in order to provide input on the quality of the product. Beta testing reduces the danger of a product failing and improves its quality by allowing users to validate it.

Various types of beta testing are as follows:

  • Traditional Beta testing: Traditional Beta testing is delivering the product to the target market and gathering all pertinent data. This data can be utilised to help the product become better.
  • Public Beta Testing: The product is made available to the broader public through web channels, and anyone can contribute data. On the basis of user feedback, product enhancements might be implemented. Prior to the official release of Windows 8, Microsoft, for example, conducted the largest of all Beta Tests.
  • Technical Beta Testing: A product is provided to a group of firm employees, and the employees feedback/data is collected.
  • Focused Beta Testing: A software product is made available to the general public in order to get feedback on certain programme features. The most significant aspects of the software, for example.
  • Post-release Beta Testing: Data is collected after a software product is released to the market in order to improve the product for future releases.
  • 14. What are the roles and responsibilities of a Software Development Engineer in Test (SDET)?

    A Software Development Engineer in Test (SDET) has the following duties and responsibilities:

  • SDETs should be able to automate tests and create frameworks across several platforms, including web, mobile, and desktop.
  • Investigate customer concerns that technical support has referred to you.
  • Create, manage, and share bug reports with the rest of the team.
  • Create as many test cases and acceptance tests as you can.
  • SDET facilitates technical meetings with Partners in order to obtain a better grasp of the clients systems or APIs.
  • SDET also collaborates closely with deployment teams to address any issues at the system level.
  • Test automation frameworks must be created, maintained, and run by SDETs.
  • 7. explain the difference between priority and severity?

    The priority of defects determines the order in which they should be fixed. The severity of the defect relates to how much it affects the functionality. The priority of a defect determines the speed at which it must be repaired.

    20. What do you understand about performance testing and load testing? Differentiate between them.

  • Performance Testing: Performance testing is a type of software testing that ensures that software programmes work as intended in specific circumstances. Its a way of determining a systems sensitivity, reactivity, and stability when its put to a given workload. Performance testing is the process of evaluating a products quality and capacity. Its a method of measuring how well a system operates under varied loads in terms of speed, reliability, and stability. Performance testing is also known as perf testing.
  • Load Testing: Load testing is a sort of performance testing that evaluates the performance of a system, software product, or software application under realistic load conditions. Load testing determines how a programme performs when it is used by multiple people at the same time. Its a measure of a systems responsiveness under varied load conditions. Load testing is carried out under both normal and extreme load conditions.
  • The distinctions between Performance Testing and Load Testing are listed in the table below:

    Performance Testing Load Testing
    Performance testing is the process of determining a systems performance, which includes speed and reliability under varying loads. Load testing is the process of determining how a system performs when multiple users access it at the same time.
    In terms of performance, the load on which the system is tested is typical. The maximum load is utilised in load testing.
    It looks at how well the system performs in normal circumstances. It looks at how the system performs while its under a lot of stress.
    In performance testing, the load limit is both below and over the break threshold. In load testing, the limit of load refers to the point at which a break occurs.
    It examines the systems performance to ensure that it is satisfactory. It determines the operational capacity of a system or software application.
    Speed, scalability, stability, and dependability are all investigated during performance testing. Only the systems long-term viability is tested during load testing.
    Performance testing tools are less expensive. The cost of load testing equipment is high.

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