Tracelink Intern Interview Questions and Answers

Q1. Features of es6 and your favorite one out of all of them
Ans. 
ES6 introduced many new features like arrow functions, let and const, classes, and more. My favorite feature is template literals.
• Template literals allow for easier string interpolation and multiline strings.

• They use backticks (`) instead of quotes and allow for embedded expressions.

• Example: `Hello ${name}, today is ${date}`

• This feature improves code readability and reduces the need for concatenation.
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Q2. Difference between sql and nosql databases and when to prefer one over the other
Ans. 
SQL is a relational database while NoSQL is non-relational. SQL is good for structured data while NoSQL is good for unstructured data.
• SQL databases use tables with predefined schema while NoSQL databases use documents, key-value pairs, or graphs

• SQL databases are good for complex queries and transactions while NoSQL databases are good for scalability and flexibility

• SQL databases are ACID compliant while NoSQL databases ...read more
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Q3. Favorite programming language and all of the languages you have worked on so far
Ans. 
My favorite programming language is Python. I have also worked with Java, C++, and JavaScript.
• Python is my favorite language due to its simplicity and versatility

• I have used Java for developing enterprise applications

• C++ was my go-to language for performance-critical applications

• JavaScript was used for developing web applications and front-end development
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There were 3 questions, which I had to do in 2 hours.
the questions were from arrays and Strings

Q1. They asked me concepts on OOPS and OS, also coding question on strings. all these were basic questions
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Q1. Questions such as where do you see yourself in coming years, interests and hobbies.
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Simple 30-question 30-minute general aptitude test (entry-level)

Q1. General discussion about projects created. Tech stack selection and other project related questions
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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. Had discussion about C, DS in depth
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Q1. Questions about C and DS and basics of OS.
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Q1. What are the strengths and weaknesses of yours.
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