Dusane Infotech NOC Engineer Interview Questions and Answers

Basic coding test like palindrome, series,arrays

Q1. Logical questions,puzzle, behavioural round, introduction
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Easy excel and sql questions

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
Ans. 
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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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

Sql question joins and , retention, streaks , window function

Q1. LLD question on whatsapp
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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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