Quality Assurance Engineer 2 Interview Questions and Answers

To cut a cake into 8 equal parts, make 3 horizontal cuts and 2 vertical cuts.

• Make 2 horizontal cuts to divide the cake into 3 equal layers.

• Then make 2 vertical cuts to divide each layer into 4 equal parts.

• You will end up with 8 equal parts of the cake.

To identify which switch lights each bulb, turn on one switch for a few minutes, then turn it off and turn on another switch. The bulb that is on corresponds to the second switch.

• Turn on one switch for a few minutes

• Turn it off and turn on another switch

• The bulb that is on corresponds to the second switch

Alpha and beta testing are types of acceptance testing conducted before releasing a software product to the public.

• Alpha testing is done by the internal QA team before the software is handed over to beta testers or customers.

• Beta testing is conducted by a selected group of external users in a real-world environment.

• Alpha testing helps identify bugs and issues early in the development process.

• Beta testing helps gather feedback from real users to improve the product before its ...read more

Understanding SQL for creating tables, writing queries, and applying constraints.

• Tables can be created using the CREATE TABLE statement.

• Queries can be written using SELECT, FROM, WHERE, and other clauses.

• Constraints like PRIMARY KEY, FOREIGN KEY, UNIQUE, NOT NULL can be applied to ensure data integrity.

To update a document in MongoDB/SQL, use the update query with appropriate criteria and new values.

• Use the update query with the 'update' keyword in MongoDB.

• Specify the criteria for selecting the document to update.

• Provide the new values to be updated in the document.

• In SQL, use the UPDATE statement with SET clause and WHERE clause.