Qentelli Senior Consultant Interview Questions and Answers for Experienced

Q1. Irrelevant and needless discussion with no real relevance to the role.
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Q2. Pretty much onesided
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There where two paper one was of maths and second paper was of engligh.

There where ten person in one GD, topic was provided us by them.

Q1. It was technical interview. They have asked about our project in our resume. After that they asked questions on based of that project.
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Q1. How to configure vpn
Ans. 
To configure a VPN, you need to set up a VPN server, create user accounts, configure client devices, and establish secure connections.
• Set up a VPN server using software like OpenVPN or Windows Server

• Create user accounts with unique credentials for accessing the VPN

• Configure client devices to connect to the VPN server using the provided credentials

• Establish secure connections by encrypting data transmitted over the VPN
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Q2. System slowness how to resolve
Ans. 
To resolve system slowness, check for hardware issues, optimize software, update drivers, and monitor resource usage.
• Check for hardware issues such as low memory or CPU usage

• Optimize software by removing unnecessary programs or services

• Update drivers for hardware components

• Monitor resource usage to identify bottlenecks
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Q1. All about angular basic and deep questioning
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Q1. Basic routing and SPA
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Q1. Detail qbout angular and node js
Ans. 
Angular is a front-end framework while Node.js is a back-end runtime environment.
• Angular is used for building dynamic web applications with a focus on the client-side.

• Node.js is used for building server-side applications with JavaScript.

• Angular uses TypeScript for building applications while Node.js uses JavaScript.

• Angular has a large community and a lot of pre-built components while Node.js has a vast library of modul...read more
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Q1. Salary discussion as per interview
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Q1. What are Promises
Ans. 
Promises are objects representing the eventual completion or failure of an asynchronous operation.
• Promises are used in JavaScript to handle asynchronous operations.

• They can be in one of three states: pending, fulfilled, or rejected.

• Promises can be chained using .then() to handle success and .catch() to handle errors.

• Example: Fetching data from an API returns a Promise that resolves with the data or rejects with an erro
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Q2. Is Node.js Single Threaded or Multiple Threaded
Ans. 
Node.js is single threaded, but uses multiple threads for I/O operations.
• Node.js uses a single thread to handle all JavaScript code execution.

• It uses multiple threads from a thread pool to handle I/O operations asynchronously.

• This allows Node.js to handle high concurrency without blocking the main thread.

• Example: When reading a file, Node.js will use a separate thread from the pool to perform the I/O operation.
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Reverse the Array of Strings

Q1. There were multiple questions on azure cloud and projects i worked on
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Q2. Sql queries and scenario based azure questions
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Q1. Can you provide an overview of your career background?
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Basics of core js and css questions

Q1. Implement Infinite scroll on the page
Ans. 
Implementing infinite scroll on a webpage
• Use JavaScript to detect when user reaches the bottom of the page

• Fetch more content using AJAX calls

• Append new content to the existing page dynamically
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