Leader Software Software Designer Interview Questions and Answers

• Q1. What are custom hooks in React, and what are their use cases? Additionally, can you provide an example of a custom hook that performs an API call and utilizes t...read more
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• Q2. What is the difference between useMemo and useCallback in React?
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• Q3. What is the difference between class-based components and functional components in React?
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• Q4. How can you implement the lifecycle of a React component in a functional component?
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• Q5. What are the various state management techniques available in React?
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• Q6. What is the architecture of Redux, and what purposes do middlewares serve within it?
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• Q7. What is hoisting in JavaScript?
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• Q8. What is event bubbling in JavaScript?
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• Q9. What are block scope and function scope in JavaScript?
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• Q10. Have you had experience working with semantic tags in HTML?
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• Q11. What are the various methods for creating an object in JavaScript?
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• Q12. What are the differences between shallow copy and deep copy in JavaScript?
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• Q13. What will be the output of the following JavaScript code fragment: `const a; function test() { console.log(a); }; test();`?
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• Q14. How can you use CSS to arrange elements in a row and column layout?
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• Q15. Have you utilized CSS preprocessors, and if so, which ones?
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• Q16. If I have assigned different colors to an ID and a class and applied both to the same element, which color will be applied based on CSS specificity precedence?
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It was a simple Aptitude test designed to test your english proficiency and your quantitative skills.

• Q1. Multiple questions meant to test your english communication proficiency
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There were 2 coding questions. The level of questions were not very high. The languages available for the round were Python, Java, C++, C, C#.

• Q1. Please Introduce yourself
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• Q2. What project did you work on in your final year?
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• Q3. Do you have any connections in the industry?
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• Q4. Did you undergo any Internships?
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• Q1. What is Pricing Rule & Product Rule?
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• Q2. Can you please explain the Project you have worked on and the difficulties you faced?
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• Q3. What are the Option contraint?
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• Q4. What rae the Configuration Attribute?
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• Q5. What is Flow specially Record Triggered flow?
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• Q6. What is MDQ (Multi Dimensional Quote)?
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• Q7. What is Pricing Waterfall?
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• Q8. Explain Discount Schedule ?
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• Q9. What are the different Pricing Method?
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• Q10. What are the different Product we have in CPQ?
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• Q1. What is QCP (Quote Calculator Plugin)?
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• Q2. Explain any Special Field in CPQ?
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• Q3. Have you worked on Amendment? Explain it?
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• Q4. What is renewal in CPQ? Explain the complete Flow?
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• Q5. Explain Quote to Cash Flow?
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• Q6. What is Package level Setting?
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• Q7. What is Bundle Product and Nested Bundle?
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• Q8. What is Guided Selling?
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• Q9. Explain Usages Based Product?
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• Q10. What is Batch APEX?
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• Q1. 1) OOPS in java, and told to explain abstraction, encapsulation, inheritance with practical code 2) Exception handling(globally), Authentication and authorizati...read more
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• Q2. 1) Advantage of springboot over spring 2) Tell me all the anotations you know in spring 3) What are CRUD operations, write controller layer and use validating a...read more
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• Q3. 1) ACID properties 2) DBMS commands 3) inner queries 4) Joins 5) S3 bucket congif and how to handle file and upload and retrieve in s3 6) Ci/Cd basic flow and d...read more
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• Q1. List down Java 8 features and use case
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• Q2. List down Spring boot annotation used
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• Q3. Difference between String builder and String Buffer
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• Q4. What is String pool
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• Q5. Number of memory type have. like heap memory , stack
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It was good I gave my best

Difficult it much to learn

• Q1. Code explaining recursions
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• Q2. Functions how does they work
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• Q3. Projects and their explanation howdidtgey work
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• Q1. SQL operationg systems
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• Q2. Tools and their usages
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• Q1. Swap two variables, prime number
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• Q2. Based on Linux, SQL and other
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• Q3. What are pointers
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• Q4. Commands on SQL and Linux
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• Q5. Questions related to HR
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• Q1. Explain concepts of Docker and Kubernetes
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• Q2. Deploying an app in Kubernetes
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• Q3. Cloud technologies
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• Q4. Questions about previous projects
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• Q5. Kafka questions, credentials, port-binding
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• Q6. Interfaces in Golang - Code
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• Q7. Goroutines - explain with example code
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• Q1. What is the difference between drop and delete in SQL?
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• Q2. What are the different commands in SQL?
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