Vellvette Lifestyle QA Engineer Interview Questions and Answers

The first test was easy basics of python Linux and SQL

Q1. The interviewer was not interested to take the interview and was always demotivating while answering questions.
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Q2. Basics of Testing SQL
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Logical and maths based questions

Q1. Technical round
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Q2. What is testing
Ans. 
Testing is the process of evaluating a system or application to identify defects or errors.
• Testing involves executing a system or application to find bugs or issues.

• It helps ensure that the software meets the requirements and functions correctly.

• Types of testing include unit testing, integration testing, system testing, and acceptance testing.
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Q1. Managerial Round
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Q1. Qns based on project and techstacks
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Q2. SQL queries and database qns, situational qns
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Q1. Questions will be Introduce yourself, Java and OOPs concepts, Regression Testing, Intgration Testing
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Q2. Basic questions regarding testing, real time scenarios questions
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Q1. Tell me about your project, Where you used OOPs concepts in your project
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Q2. Investment banking working and flow
Ans. 
Investment banking involves providing financial services to corporations, governments, and other institutions.
• Investment banks help companies raise capital by underwriting and selling securities.

• They also provide advisory services for mergers and acquisitions, and other financial transactions.

• Investment banking involves a complex flow of activities, including research, analysis, due diligence, and risk management.

• Examp...read more
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Q1. Behaviour of js
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JavaScript is a dynamic programming language commonly used for web development.
• JavaScript is a high-level, interpreted language.

• It is known for its flexibility and ability to manipulate the DOM.

• Commonly used for client-side scripting in web development.

• Supports object-oriented, imperative, and functional programming styles.
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Q2. Call by value, call by reference
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Reverse fibonacci using recursion

Q1. Hoisting, clousres, prototypes based output questions
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Q2. Polyfill of reduce, map
Ans. 
Polyfill of reduce, map are functions that mimic the behavior of the original functions in older browsers.
• Polyfill of reduce function can be implemented using a for loop to iterate over the array and accumulate the result.

• Polyfill of map function can be implemented using a for loop to iterate over the array and create a new array with the transformed values.

• These polyfills are useful for ensuring cross-browser compatib...read more
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Q1. Project discussion, react lifecycle, javascript basec concepts
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Q1. Some questions on java,python
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Q1. Method overloading and method overriding
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Q2. What are basic bug we face when we write calculator program
Ans. 
Basic bugs in calculator program include incorrect calculation results, input validation issues, and handling of edge cases.
• Incorrect calculation results due to rounding errors or improper order of operations

• Input validation issues such as allowing non-numeric characters or dividing by zero

• Handling of edge cases like large numbers, negative numbers, or overflow/underflow
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Q1. Basic questions on Testing types, Methods, Agile, SQL
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Q1. Indepth scenario based questions, process, questions on the programming language given in resume, SQL
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