Tracelink Software Engineer II Interview Questions and Answers

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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Q1. Tell me about your self
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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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Basic maths question

Q1. Write a Prime number function using C
Ans. 
A function in C to check if a number is prime or not
• Create a function that takes an integer as input

• Check if the input number is divisible by any number from 2 to its square root

• If it is not divisible by any number, return true (prime), else return false (not prime)
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Q2. Write some basic codes for Manipulation in array
Ans. 
Basic codes for array manipulation including sorting, searching, and filtering.
• Use built-in functions like sort() for sorting arrays.

• Implement algorithms like binary search for searching in arrays.

• Utilize filter() method for filtering arrays based on specific criteria.
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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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