PERSOLKELLY Devops Interview Questions and Answers

Q1. What is async javascript
Ans. 
Async JavaScript allows for non-blocking code execution, improving performance by handling multiple tasks simultaneously.
• Async JavaScript uses callbacks, promises, and async/await to handle asynchronous operations.

• It allows for tasks like fetching data from a server or updating the UI without blocking the main thread.

• Example: Using setTimeout to simulate async behavior in JavaScript.
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Q2. Do you know wordpress
Ans. 
Yes, I am familiar with WordPress and have experience in developing websites using it.
• I have worked on creating custom themes and plugins for WordPress.

• I am proficient in using WordPress CMS to manage content and customize websites.

• I have experience in optimizing WordPress websites for performance and SEO.

• I am familiar with popular WordPress plugins like Yoast SEO, WooCommerce, and Contact Form 7.
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Q1. What is docker and kubernetes
Ans. 
Docker is a platform for developing, shipping, and running applications in containers. Kubernetes is an open-source system for automating deployment, scaling, and management of containerized applications.
• Docker allows developers to package applications and dependencies into containers for easy deployment and scalability

• Kubernetes helps in automating the deployment, scaling, and management of containerized applications

• D...read more
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Q2. Concepts of aws
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Q1. Coding in Python
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Q2. About docker-compose
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Q1. Resume based tell me ablut your self skill
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Q1. Telll me about your self and hr has well
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Debugging questions are mostly asked, you can get them from GFG

In coding test , mostly the leetcode medium questions are asked like tree traversal and linked list related questions

ECHOBOOOM MANAGEMENT ENTREPRENEURIAL SOLUTIONS PRIVATE LIMITED

Oops concepts related like c, c++,c#, java

Based on resume Java c# sql python

Q1. Tell me about yourself
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Q2. Why do we need to hire you
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Q3. If we won't hire you what will you do
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Q4. Wr do u know about our company
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Q5. What expected CTC and what is your current ctc
Ans. 
I prefer to discuss compensation after understanding the job requirements and responsibilities.
• I am open to negotiation based on the job role and responsibilities

• My current CTC is confidential

• I am looking for a fair and competitive compensation package
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Round duration - 60 minutes
Round difficulty - Medium

Online Coding Test on Calyxpod platform. There were 2 coding questions

Q1. 
Intersection of Linked List Problem
You are provided with two singly linked lists containing integers, where both lists converge at some node belonging to a third linked list.
Your task is to determine t...read more
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Q2. 
Most Frequent Non-Banned Word Problem Statement
Given a paragraph consisting of letters in both lowercase and uppercase, spaces, and punctuation, along with a list of banned words, your task is to find th...read more
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Round duration - 70 minutes
Round difficulty - Easy

Advance Subjective Round on Calyxpod platform: 5 questions. One question was related to data structures and algorithms. Other 4 were related to Html, CSS and Javascript.

Q1. 
Balanced Parentheses Combinations
Given an integer N representing the number of pairs of parentheses, find all the possible combinations of balanced parentheses using the given number of pairs.
Explanati...read more
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