Sigmoid Internship Trainee Interview Questions and Answers for Freshers

Q1. How would you write a REST API from scratch? Explain your role in the project.
Ans. 
To write a REST API from scratch, I would follow these steps:
• Define the resources and endpoints

• Choose a programming language and framework

• Implement CRUD operations for each resource

• Use HTTP methods and status codes correctly

• Add authentication and authorization

• Test the API using tools like Postman

• Document the API using tools like Swagger
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First round was online coding round, second was coding in interview infornt of panel, third was DSA+basic Database questions

Basic ds algo round with questions asked around arrays strings

Q1. Basics of sql and some coding questions
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Q2. Data structures
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Q1. Putin arrays strings
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Quant verbal LRDI ,normal question

Dsa array and 2D array

Q1. About project and resume
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Q1. Behavioural question
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Q1. All questions based on your resume and recent project you have done including OOPS concept, MVC , Design patterns, SOLID principles
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Q1. Here test the communications, problem solving skills, Decision making skill, Situation handle, conflict management
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It is pretty good only.

Q1. Asked about all the basics question,alogirthm,programs
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Q2. Basic Coding questions like prime number
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Q3. Acid Properties
Ans. 
ACID properties are a set of properties that guarantee database transactions are processed reliably.
• Atomicity: Transactions are either fully completed or fully aborted.

• Consistency: Database remains in a consistent state before and after the transaction.

• Isolation: Transactions are isolated from each other until they are completed.

• Durability: Once a transaction is committed, changes are permanent.

• Example: Transfer of fun...read more
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Array,binary search, Aptitude

Q1. Coding Questions, java, Web development
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Q1. Just normal Questions
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