Tecstub QA Engineer Interview Questions and Answers

Star and delta connections are two types of three-phase circuits used in electrical engineering.

• Star connection has a neutral point and three phases are connected to it, while in delta connection, three phases are connected in a closed loop.

• Star connection is used for low voltage applications, while delta connection is used for high voltage applications.

• Star connection provides better safety and flexibility, while delt...read more

QA methodology involves planning, designing, executing, and reporting to ensure quality of the project.

• Understand project requirements and define test objectives

• Create test plans and test cases

• Execute tests and report defects

• Retest and verify fixes

• Perform regression testing

• Ensure compliance with standards and regulations

• Deliver the project after successful testing

HTTP is unsecured while HTTPS is secured with SSL/TLS encryption.

• HTTP stands for Hypertext Transfer Protocol while HTTPS stands for Hypertext Transfer Protocol Secure.

• HTTP operates on port 80 while HTTPS operates on port 443.

• HTTP is vulnerable to attacks while HTTPS is secure due to SSL/TLS encryption.

• HTTP does not require any certificates while HTTPS requires SSL/TLS certificates.

• HTTP is used for regular websites whil...read more

Software testing life cycle is a process of testing software from planning to deployment.

• STLC includes planning, designing, executing, and reporting.

• It starts with requirement analysis and ends with deployment.

• It ensures that the software meets the quality standards and customer requirements.

• STLC models include Waterfall, Agile, and DevOps.

• STLC helps in identifying defects early in the development cycle, reducing costs...read more