Rooter Automation Test Engineer Interview Questions and Answers

Basic coding test like palindrome, series,arrays

Q1. Logical questions,puzzle, behavioural round, introduction
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Leetcode problem to find the missing number. multiple followback on this. the second problem was dp to find the identity matrix. was rejected after this

Q1. LLD question on whatsapp
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Q1. How to do data migration
Ans. 
Data migration involves transferring data from one system to another while ensuring data integrity and minimizing downtime.
• Plan the migration process including identifying data to be migrated, mapping data fields, and setting up a timeline.

• Backup all data before starting the migration to prevent data loss.

• Use tools like ETL (Extract, Transform, Load) to extract data from the source system, transform it to fit the targe...read more
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Q2. Explain use of next js
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Next.js is a React framework that enables server-side rendering and other features for building fast and scalable web applications.
• Next.js allows for server-side rendering of React components, improving performance and SEO.

• It provides automatic code splitting for faster page loads.

• Next.js supports static site generation and serverless functions for building dynamic websites.

• It offers built-in routing and API routes for...read more
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DSA Basic and 1 medium level

Based on solutions we have written and rest on CV

Aptitude questions were pretty easy like on speed etc

Coding questions were also easy like patterns code, reverse string just basics

Basic aptitude only think out of box

Q1. Static and final difference
Ans. 
Static variables belong to the class itself, while final variables cannot be changed after initialization.
• Static variables are shared among all instances of a class

• Final variables cannot be reassigned once initialized

• Static variables are initialized only once at the start of the program

• Final variables must be initialized when declared
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Q2. Patterns problem
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Q1. Tell me about your self?
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Q2. Checking english fluency
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10 reasoning questions and 3 coding questions

Q1. Wap for factorial with recurrsion
Ans. 
Factorial calculation using recursion in a programming language
• Define a function that takes an integer as input

• Base case: if input is 0, return 1

• Recursive case: return input multiplied by factorial of input-1

• Example: factorial(5) = 5 * factorial(4) = 5 * 4 * factorial(3) = ... = 5 * 4 * 3 * 2 * 1 = 120
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Q2. Opps and basic core Java questions
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