LOCUS Customer Success Engineer Interview Questions and Answers for Experienced

Q1. Lazy loading in react
Ans. 
Lazy loading in React is a technique used to improve performance by loading components only when they are needed.
• Lazy loading helps reduce initial load time by splitting the code into smaller chunks.

• React.lazy() and Suspense are commonly used for lazy loading in React.

• Lazy loading is especially useful for large applications with many components.
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Q2. Cache bursting
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Q3. Difference between == and ===
Ans. 
The difference between == and === is that == checks for equality after type coercion, while === checks for equality without type coercion.
• == is a loose equality operator that performs type coercion before comparing two values.

• === is a strict equality operator that does not perform type coercion before comparing two values.

• Example: 1 == '1' will return true, but 1 === '1' will return false.
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Will be given Requirement to write code for Restraunt. Based on that have write code for delivering orders by delivery boys.

Q1. OOPS Concepts, Java Basics, Collections, MultiThreading
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It was a live coding round where expectation was to come up with a framework in Java from Scratch

Q1. It was a DS/Algo Round
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Q1. Design Round in HLD
Ans. 
Design Round in HLD involves creating a high-level design for a software system.
• Identify the main components of the system and their interactions

• Define the architecture of the system including layers, modules, and interfaces

• Consider scalability, performance, security, and maintainability

• Use UML diagrams like class diagrams, sequence diagrams, and component diagrams

• Document the design decisions and rationale
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Coding questions were easy, not clear about shortlisting process

Q1. Basic DSA questions on arrays, linked lists
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Q1. Self introduction
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Dsa. , oops and basics of database management

Q1. System design questions basics
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Q2. Hiring managers questions
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Q1. Largest island (graph question)
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Q2. SQL question related to joins
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Q1. About the databases and questions from system design
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Q1. Questions based on concurrency , suitable databases HLD,LLD,book my show design
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Q1. Salary discussion
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Q1. Implement cache in the given architecture where read and write both are pretty frequent. What are the cache eviction mechanisms and which one should we follow here ?
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Q2. Rotten oranges - leetcode graph question
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