Infiniti Software Solutions QA Engineer Interview Questions and Answers

Took on spot test at mettl

Asked to write code for pallindrome
questions related to selenium, sql and testing methodoligies

Technical round with manager
asked to write sql queries: join subquery
scenario based testing related questions

Q1. Basic Selenium Questions
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Q1. Describe Life cycle in react
Ans. 
React has three main phases in its lifecycle: mounting, updating, and unmounting.
• Mounting: when a component is created and inserted into the DOM

• Updating: when a component is updated due to changes in props or state

• Unmounting: when a component is removed from the DOM

• Lifecycle methods can be used to perform actions at each phase, such as componentDidMount() or componentWillUnmount()

• React also has error handling methods,
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Q2. Explain strict mode in javascript and it's use
Ans. 
Strict mode is a way to write secure and optimized JavaScript code.
• Enables catching of silent errors

• Disallows duplicate property names or parameters

• Prevents use of undeclared variables

• Makes `eval()` safer to use

• Throws errors on invalid usage of `this` keyword
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CURD operations along with implementation of a mock UI

Q1. Tell about Oops concepts
Ans. 
OOPs concepts are fundamental principles in object-oriented programming, including inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex imple...read more
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Q1. Will ask coding related
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Q1. What is Expected salary
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Multiple-choice questions and coding problems.

They will likely present you with a problem involving the generation of an SKU code for different products using the same function and may request an explanation of the code line by line if you can write it.

Q1. What questions can be expected regarding the technologies listed in your resume?
Ans. 
Questions about the technologies listed in your resume may include asking about your experience, projects, challenges faced, and future plans.
• Experience with the technology listed

• Projects completed using the technology

• Challenges faced while working with the technology

• Future plans for learning or using the technology
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Q2. Questions related to database.
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Q1. The interviewer will inquire about your background, including your family details.
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Q2. No further comments thank you
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Q1. What are your current and expected cost-to-company (CTC) figures?
Ans. 
I am currently earning X amount and expecting Y amount based on my experience and skills.
• Provide your current salary figure

• Mention your expected salary based on your experience and skills

• Consider factors like industry standards and cost of living when determining expected CTC
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Create an API using Notepad to check if a string is a palindrome or not.

Q1. Solid principal
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