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

Severity refers to the impact of a defect, while priority indicates the urgency of fixing it in software testing.

• Severity: Measures the impact of a defect on the system. For example, a crash in a critical feature is high severity.

• Priority: Indicates the urgency of fixing a defect. A minor UI issue might be high priority if it affects a major release deadline.

• High Severity, Low Priority: A bug that causes data loss but is found in a rarely used feature may be high severity but...read more

Sanity testing checks specific functionalities after changes, while regression testing ensures overall system stability post-changes.

• Purpose: Sanity testing verifies that a particular function works after changes, while regression testing checks that existing features remain unaffected.

• Scope: Sanity testing is narrow and focused, often limited to specific areas, whereas regression testing is broader, covering the entire application.

• Example of Sanity Testing: After a bug fix i...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.

Write test cases for a login page

• Verify that valid credentials can successfully log in

• Verify that invalid credentials cannot log in

• Verify that the 'Forgot Password' link works correctly

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.