CommVault Software Developer Intern Interview Questions and Answers

7 easy coding questions

Q1. Data Structures and Algorithms, SQL and DataBase design, Java concepts, OOPS concepts, OS
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Q1. DSA Medium level, SQL Medium level, Java, OOPS
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Q1. Managerial round - Resume, Projects, behavioural questions. Interview was very friendly
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Round duration - 100 Minutes
Round difficulty - Hard

**Criteria:
8 CPI or Above (only CSE, MnC). All students irrespective of history of backlogs or current backlogs were considered if they satisfied the CPI criteria.

It was first round..
This round was the Online test which was around 1 Hour 40 Minutes long(don't remember exact time).

Timing from 19:00 to 20:40
Environement was comfortable.
Hackerrank is a good platform for online tests.

All questions were new for me, So cant give any links.

Q1. 
Minimum Removals Problem Statement
Given an integer array ARR of size N and an integer K, determine the minimum number of elements that need to be removed so that the difference between the maximum and mi...read more
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Q2. 
Minimum Number of Stabs to Kill the King
You are given the initial health of a king represented by an integer N. Your task is to determine the minimum number of stabs required to reduce the king's health ...read more
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Q3. 
Minimum Time Problem Statement
In a city with ‘N’ junctions and ‘M’ bi-directional roads, each junction is connected to other junctions with specified travel times. No road connects a junction to itself, ...read more
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Round duration - 75 Minutes
Round difficulty - Medium

This was an Online F2F Technical Round conducted on zoom. Interviewer shared codepad link and you were asked to code and pass sample test case given by interviewer. Only one question(coding) was asked(More follow questions).
Interviewer was really helpful..

Q1. 
XOR Query Problem Statement
Assume you initially have an empty array called ARR. You are required to return the updated array after executing Q number of queries on this array.
There are two types of que...read more
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Round duration - 90 Miinutes
Round difficulty - Medium

Again pattern was same(Zoom video call and I was asked to code and 1 question was there(+Follow up)).
Timing was afternoon time around 13:00

Q1. 
Scramble String Problem Statement
You are given an integer 'N' and two strings S and R, each having the size N. Determine if you can scramble string S to obtain string R using specified operations.
Your ...read more
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Round duration - 60 Minutes
Round difficulty - Easy

It was a zoom video call.
In starting 5 minutes, interviewer tried to make me comfortable with him..

Q1. DSA Array, String and Hashmap questions
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Q2. Functional programming java questions
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Q1. Spring and spring boot related
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Q2. HLD scenario level questions
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Q3. SQL queries nested and joins
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Q4. DB related questions and experience level questions and previous project situations related questions
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Q5. Security level questions like XSS vulnerability and SQL injection
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Dont remember coding test but there were 19 questions, out of which 3 were Coding questions, one was simple xor, another one was calculating time between two dates given in string format "1Jan0000" to "31Dec9999", third was set cover problem

Q1. Aptitutde Questions from ondemandassessment website
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Q2. Personality test
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Q1. Project griling
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Q2. Explain me oops as if i know nothing in it
Ans. 
Object-oriented programming is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.
• OOP is a programming paradigm that uses objects to structure code

• Objects have attributes (fields) and behaviors (methods)

• Encapsulation, inheritance, and polymorphism are key principles of OOP

• Example: A 'Car' object may have attributes like 'color' and 'mo
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Q3. Bfs question on any graoh
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Q4. Diamond problem
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Q5. Mostly focused on java
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Q6. Favourite subject apart from programming courses
Ans. 
My favorite subject apart from programming courses is mathematics.
• I enjoy solving complex problems and puzzles in mathematics.

• I find the logical and analytical thinking required in mathematics fascinating.

• Mathematics helps me improve my problem-solving skills, which are crucial in software development.

• I appreciate the beauty and elegance of mathematical concepts and theories.

• Some of my favorite topics in mathematics in
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Java internals, coding questions 2sum

Q1. Hld of your previous project
Ans. 
Developed a web-based project management tool for tracking tasks and deadlines.
• Used React.js for front-end development

• Implemented RESTful APIs for backend using Node.js and Express

• Utilized MongoDB for database storage

• Incorporated authentication and authorization features for user security
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Q2. Question related to self build projects
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Q1. Salary negotiation
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Q2. Location constrain if any
Ans. 
Open to relocation for the right opportunity
• Willing to relocate for the right job opportunity

• Flexible with location for the right role

• Open to considering different locations for the right position
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Please inquire about the fundamentals of computer science, including object-oriented programming, data structures and algorithms, database management systems, and computer networks.

DSA, SQL, Problem Solving, Technical, Data Structures and Algorithms

Q1. Write an SQL Query for retrieving something
Ans. 
SQL query to retrieve data from a database
• Use SELECT statement to specify the columns to retrieve

• Use FROM clause to specify the table to retrieve data from

• Use WHERE clause to filter the results based on conditions
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Q2. Write a program to achieve something
Ans. 
Program to sort an array of integers in ascending order
• Use a sorting algorithm like bubble sort, selection sort, or insertion sort

• Iterate through the array and compare adjacent elements to swap if necessary

• Repeat the process until the array is sorted
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