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Red Hat Software Engineer Intern Interview Questions and Answers

Updated 31 May 2022

Red Hat Software Engineer Intern Interview Experiences

3 interviews found

I applied via Referral and was interviewed in Dec 2021. There were 4 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. Tell me about yourself?
  • Q2. Explain how did you build your projects?
  • Q3. Write a Program to print all Prime Numbers up to the number provided as input. (Prime Sieve Algorithm)
  • Ans. 

    Program to print all Prime Numbers up to the input number using Prime Sieve Algorithm.

    • Create a boolean array of size n+1 and initialize all values as true.

    • Loop through the array starting from 2 and mark all multiples of each prime number as false.

    • Print all the numbers that are still marked as true in the array.

  • Answered by AI
  • Q4. Puzzle 34 from Geeks For Geeks

Interview Preparation Tips

Interview preparation tips for other job seekers - I prepared a lot on CS subjects mainly OS, DBMS, CN, OOPs. They did not ask me a single question from there. I did not think they can ask for puzzles in the technical interview.
Always expect the unexpected and have a look at everything that's available.

Skills evaluated in this interview

I applied via Whatsapp group and was interviewed before May 2021. There were 3 interview rounds.

Round 1 - Coding Test 

Hacker Rank platform, where I was given two coding Questions.
1. Related to Huffman Code. I solve using Heaps.
2. Second Question related to matrix to find the area of the rectangle.
I solved both Questions.

Round 2 - Technical 

(1 Question)

  • Q1. It was 1-2 interaction with the interviewers. It was 2 interviewers. But I interviewed by only one person, later I interviewed by another person in other day. They asked Questions from my Resume. Mainly th...
Round 3 - HR 

(1 Question)

  • Q1. It is Management Round interviewed by one of the managers in India. He ask about my feature goals. Why did you now about RedHat, Know about Opensource. Give some puzzles and ask me to solve this. Firstly I...

Interview Preparation Tips

Topics to prepare for Red Hat Software Engineer Intern interview:
  • DSA
  • Python
  • Present Technologies
Interview preparation tips for other job seekers - Keep Learning and practicing until you get better position. Be Confident when your telling answers. This was my first mistake when I attending interviews.

Software Engineer Intern Interview Questions Asked at Other Companies

Q1. Check if Two Trees are Mirror Given two arbitrary binary trees, y ... read more
Q2. Connecting Ropes with Minimum Cost You are given 'N' ropes, each ... read more
Q3. Zero Matrix Problem Statement You are given a matrix MATRIX of di ... read more
Q4. Similar Strings Problem Statement Determine whether two given str ... read more
Q5. Partition Array Minimizing Subset Sum Difference Given an array c ... read more

I applied via Referral and was interviewed in Aug 2021. There were 5 interview rounds.

Round 1 - Coding Test 

Hackerrank

Round 2 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 3 - Technical 

(1 Question)

  • Q1. Mostly related to the projects you've done in the past
Round 4 - Assignment 

Assignment on Java, Bash

Round 5 - Technical 

(1 Question)

  • Q1. Question related to assignment

Interview Preparation Tips

Interview preparation tips for other job seekers - Make sure to go thoroughly thorough you project and learn behind the scenes working as well.
Also, make sure you have decent Java experience as the main tech stack of the company is around Java.

Interview questions from similar companies

I applied via Recruitment Consultant and was interviewed in Dec 2020. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Basics of redux and react es6 js css3

Interview Preparation Tips

Interview preparation tips for other job seekers - First of all go through the job description .Brush up all your basics .And do practice hands on coding.

Software Engineer Interview Questions & Answers

Adobe user image Devendra Bendkhale

posted on 4 Dec 2015

Interview Questionnaire 

8 Questions

  • Q1. WRITE A GENERIC SWAP FUNCTION
  • Ans. 

    A generic swap function swaps two values of any data type.

    • The function should take two parameters of any data type.

    • Use a temporary variable to store the value of one parameter.

    • Assign the value of the second parameter to the first parameter.

    • Assign the value of the temporary variable to the second parameter.

  • Answered by AI
  • Q2. SEARCH AN ELEMENT IN ROTATED SORTED LINKLIST .
  • Ans. 

    Search for an element in a rotated sorted linked list.

    • Find the pivot point where the list is rotated.

    • Divide the list into two sublists based on the pivot point.

    • Perform binary search on the appropriate sublist.

    • Handle edge cases such as empty list and list with only one element.

  • Answered by AI
  • Q3. SEARCH AN ELEMENT IN ROTATED SORTED ARRAY. WRITED A CODE FOR IT
  • Ans. 

    Search an element in a rotated sorted array

    • Find the pivot point where the array is rotated

    • Divide the array into two sub-arrays based on pivot point

    • Perform binary search on the appropriate sub-array

    • Repeat until element is found or sub-array size is 1

  • Answered by AI
  • Q4. In an Array of size 95 contain numbers in range 1 to 100. each number is at max once in the array. find the 5 missing numbers in array between 1-100
  • Ans. 

    Find 5 missing numbers in an array of size 95 containing numbers in range 1 to 100.

    • Create a boolean array of size 100 and mark the present numbers

    • Iterate through the boolean array and find the missing numbers

    • Alternatively, use a HashSet to store the present numbers and find the missing ones

  • Answered by AI
  • Q5. Given sudoku as id array of size . in a given empty cell find the possible numbers that could be possible. Asked me to write code for it
  • Ans. 

    Given a Sudoku board, find possible numbers for an empty cell.

    • Iterate through empty cells and check possible numbers using row, column, and box constraints.

    • Use a set to keep track of possible numbers for each empty cell.

    • Return the set of possible numbers for the given empty cell.

  • Answered by AI
  • Q6. Given 4 unsigned integers find their integer average (eg. (2,2,2,3) => (2+2+2+3)/4 = 2) consider integer division ) without typecasting
  • Ans. 

    Find integer average of 4 unsigned integers without typecasting

    • Add all the integers and divide by 4

    • Use bit shifting to divide by 4

    • Handle overflow by using long long data type

    • Use unsigned int data type for input

  • Answered by AI
  • Q7. Write a code to identify wheter given processor is of 32 bit architecture or 64 bit architecture
  • Ans. 

    Code to identify 32 bit or 64 bit architecture of a processor

    • Check if the operating system is 32 bit or 64 bit

    • If OS is 32 bit, processor is 32 bit

    • If OS is 64 bit, check if processor supports 64 bit architecture

    • Use CPUID instruction to check if processor supports 64 bit architecture

  • Answered by AI
  • Q8. Convert a binary number into base 64 integer
  • Ans. 

    Convert binary number to base 64 integer

    • Divide the binary number into groups of 6 bits

    • Convert each group of 6 bits to decimal

    • Map the decimal value to the corresponding base 64 character

    • Concatenate the base 64 characters to form the final integer

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: SIMPLE CODING QUESTIONS SPEED MATTERS.
Duration: 60 minutes
Total Questions: 3

Skills: Analytics And Coding
College Name: IIT Guwahati

Skills evaluated in this interview

Interview Questionnaire 

6 Questions

  • Q1. Solving puzzles(25 horses,ant and sweets,height of a building..) try as many as possible before appearing for interview
  • Q2. If experienced , then project details of previous companies a must prepare question
  • Q3. Writing test cases for random scenarios
  • Q4. Programming in whatsoever language you r comfortable with, basic coding problems of DS,Algos. eg. Zigzag tree traversal algo,random linked list copy
  • Q5. Some people asked me questions related to the work i will do if hired in the project
  • Q6. Be genuine in ur CV, and be prepared with everything you write there.

Interview Preparation Tips

College Name: Na

Interview Preparation Tips

General Tips: Just be confident. You may not be able to answer all the questions correctly. If you don't know the answer, be honest and confidently answer the questions that you know.
College Name: NIT SURATHKAL

I was interviewed before Mar 2021.

Round 1 - Face to Face 

(3 Questions)

Round duration - 60 minutes
Round difficulty - Easy

Technical interview round with questions based on DSA and OOPS.

  • Q1. How do you dynamically allocate a 2D array in C?
  • Ans. 

    Use double pointer to dynamically allocate memory for array of strings in C.

    • Declare a double pointer to hold the 2D array of strings.

    • Allocate memory for the rows first using malloc.

    • Then allocate memory for each string in the row using malloc.

    • Assign values to the strings in the array.

    • Example: char **array = malloc(rows * sizeof(char *));

    • Example: array[i] = malloc(strlen(str) + 1); strcpy(array[i], str);

  • Answered by AI
  • Q2. What are virtual functions in C++?
  • Ans. 

    Virtual functions in C++ are functions that can be overridden in derived classes, allowing for polymorphic behavior.

    • Virtual functions are declared using the 'virtual' keyword in the base class.

    • They are used to achieve runtime polymorphism in C++.

    • Derived classes can override the virtual functions defined in the base class.

    • Example: class Base { public: virtual void display() { cout << 'Base class dis...

  • Answered by AI
  • Q3. What are virtual base classes?
  • Ans. 

    Virtual base classes are classes that are inherited virtually to avoid multiple instances of the same base class in a derived class hierarchy.

    • Virtual base classes are used in multiple inheritance to prevent the Diamond Problem.

    • They are declared with the 'virtual' keyword in the base class.

    • When a class inherits a virtual base class, the most derived class is responsible for initializing the virtual base class.

    • Example: c...

  • Answered by AI
Round 2 - Face to Face 

(4 Questions)

Round duration - 60 minutes
Round difficulty - Easy

Technical interview round with questions based on OS/Networking etc.

  • Q1. What is the system call that creates a separate connection?
  • Ans. 

    The system call that creates a separate connection is fork()

    • fork() is a system call in Unix-like operating systems that creates a new process by duplicating the existing process

    • The new process created by fork() is called the child process, while the original process is called the parent process

    • fork() is commonly used in network programming to create separate connections for handling multiple clients

  • Answered by AI
  • Q2. What does the epoll_wait() system call do?
  • Ans. 

    epoll_wait() system call waits for events on an epoll instance

    • Used in Linux for I/O event notification

    • Blocks until one or more file descriptors become ready

    • Returns the number of file descriptors ready for I/O operations

  • Answered by AI
  • Q3. What are the different protocols used in the transport layer?
  • Ans. 

    Different protocols used in the transport layer include TCP, UDP, SCTP, and DCCP.

    • TCP (Transmission Control Protocol) - reliable, connection-oriented protocol used for most internet communication

    • UDP (User Datagram Protocol) - connectionless protocol used for applications where speed is more important than reliability

    • SCTP (Stream Control Transmission Protocol) - supports multiple streams of data, used for telecommunicati...

  • Answered by AI
  • Q4. What is the difference between TCP and UDP?
  • Ans. 

    TCP is a connection-oriented protocol that ensures reliable data delivery, while UDP is a connectionless protocol that focuses on speed.

    • TCP is reliable and ensures data delivery by establishing a connection before sending data.

    • UDP is faster but less reliable as it does not establish a connection before sending data.

    • TCP is used for applications that require high reliability and error correction, such as web browsing and...

  • Answered by AI
Round 3 - Face to Face 

(4 Questions)

Round duration - 60 minutes
Round difficulty - Easy

Technical interview round with questions based on Networking etc.

  • Q1. What is the purpose of ICMP?
  • Ans. 

    ICMP is a protocol used for error reporting, diagnostics, and network management in IP networks.

    • ICMP is used to report errors in packet delivery

    • It is used for network diagnostics and troubleshooting

    • ICMP messages are encapsulated within IP packets

    • Examples include ping (echo request/reply) and traceroute

  • Answered by AI
  • Q2. What are the types of connection release supported by TCP?
  • Ans. 

    TCP supports four types of connection release: active close, passive close, simultaneous close, and abortive close.

    • Active close: Client initiates the connection release process by sending a FIN packet.

    • Passive close: Server initiates the connection release process by sending a FIN packet.

    • Simultaneous close: Both client and server send FIN packets to each other simultaneously.

    • Abortive close: Connection is terminated abru...

  • Answered by AI
  • Q3. What protocols are used by the MAC layer?
  • Ans. 

    The MAC layer uses protocols like CSMA/CA, CSMA/CD, and TDMA to manage access to the network.

    • CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance) is used in wireless networks to avoid collisions.

    • CSMA/CD (Carrier Sense Multiple Access with Collision Detection) is used in wired networks to detect and handle collisions.

    • TDMA (Time Division Multiple Access) is used in networks where devices are assigned specific

  • Answered by AI
  • Q4. What is the ARP protocol?
  • Ans. 

    ARP (Address Resolution Protocol) is a protocol used to map an IP address to a MAC address in a local network.

    • ARP is used to resolve IP addresses to MAC addresses in a local network.

    • It operates at the data link layer of the OSI model.

    • ARP requests are broadcasted to all devices on the network.

    • Example: When a device wants to communicate with another device on the same network, it uses ARP to find the MAC address correspo

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAVMware Software India Private Limited interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Networking, OOPSTime required to prepare for the interview - 6 monthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewRejected

Skills evaluated in this interview

I applied via Job Portal and was interviewed in Mar 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Basic questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Overall good

I applied via Campus Placement and was interviewed in Jan 2016. There were 3 interview rounds.

Interview Preparation Tips

Round: Test
Experience: Tested basics in each subject

Round: Technical Interview
Experience: Had asked me about my projects in detail. Some DSA questions were asked. Asked to code in C for some questions.

Round: Technical Interview
Experience: Asked questions about data structures and some more algorithms. Tested in Probability and some quant.

College Name: IIT Madras
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Red Hat Interview FAQs

How many rounds are there in Red Hat Software Engineer Intern interview?
Red Hat interview process usually has 4 rounds. The most common rounds in the Red Hat interview process are Technical, Coding Test and Assignment.
How to prepare for Red Hat Software Engineer Intern interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Red Hat. The most common topics and skills that interviewers at Red Hat expect are Application Development, Computer science, Consulting, Internship and Linux.
What are the top questions asked in Red Hat Software Engineer Intern interview?

Some of the top questions asked at the Red Hat Software Engineer Intern interview -

  1. Write a Program to print all Prime Numbers up to the number provided as input. ...read more
  2. It is Management Round interviewed by one of the managers in India. He ask abou...read more
  3. It was 1-2 interaction with the interviewers. It was 2 interviewers. But I inte...read more

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