Nykaa Sdet Automation Test Engineer Interview Questions and Answers

It consisted of 2 dsa questions

Q1. Tell me abiut yourself
Ans. 
I am an experienced SDET Automation Test Engineer with a strong background in software testing and test automation.
• I have a Bachelor's degree in Computer Science and have been working in the field for over 5 years.

• I have expertise in designing and implementing test automation frameworks using tools like Selenium and Cucumber.

• I have experience in writing test scripts, executing test cases, and analyzing test results.

• I a...read more
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Q2. Your weaknesses
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Q1. The hiring manager asked me to code the right view of the tree.
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It was very good 60 questions

3 coding question everhthing was hard

Q1. What is java and cpp and dbms sql etc
Ans. 
Java is a popular programming language, C++ is another programming language, and DBMS SQL is a language used for managing databases.
• Java is an object-oriented programming language commonly used for building web applications and software.

• C++ is a high-level programming language often used for system programming and game development.

• DBMS SQL is a language used to interact with relational databases, allowing users to retr...read more
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Q2. What is python, oops and inheritance
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Python is a high-level programming language known for its simplicity and readability. OOPs (Object-Oriented Programming) is a programming paradigm that uses objects and classes. Inheritance is a feature of OOPs that allows a class to inherit properties and behavior from another class.
• Python is a versatile, interpreted language used for web development, data analysis, artificial intelligence, and more.

• OOPs focuses on cr...read more
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Q1. Design URL shorterner
Ans. 
Design a URL shortener service to generate short URLs for long URLs.
• Use a hashing algorithm to generate unique short codes for long URLs.

• Store the mapping of short codes to long URLs in a database.

• Redirect users from short URLs to the corresponding long URLs.

• Implement analytics to track usage and performance of the service.
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3 hour test. 20 MCQs and 2 Coding problems

Q1. Prefix Sum and left sum of binary tree.
Ans. 
Prefix Sum and left sum of binary tree involves calculating the sum of all nodes in a binary tree and the sum of nodes on the left side of each node.
• Calculate prefix sum of binary tree by traversing in a pre-order manner and keeping track of the running sum.

• To calculate left sum of binary tree, traverse the tree in a pre-order manner and keep track of the sum of nodes on the left side of each node.

• Example: For a binary...read more
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Q1. Recursion to memoization DP problem and follow ups.
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Recursion to memoization DP problem involves optimizing recursive solutions by storing intermediate results.
• Recursion involves solving a problem by breaking it down into smaller subproblems and calling the function recursively.

• Memoization involves storing the results of expensive function calls and reusing them when the same inputs occur again.

• Dynamic Programming (DP) involves solving problems by breaking them down int...read more
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Q1. Window functions
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Q2. Joins and aggregate functions
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Q3. Abalytical function lag() and lead() question
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Q1. Guesstimate and Puzzle
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Q1. Take me through your resume?
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Q2. Situation based questions
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Q3. About projects done in previous organisation
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Q1. Resume based questions
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Q2. About team handling and team management
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