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Hewlett Packard Enterprise R&D Engineer Interview Questions and Answers

Updated 29 Sep 2021

6 Interview questions

A R&D Engineer was asked
Q. Write a C code to reverse a string.
Ans. 

Reversing a string using C code

  • Declare a character array to store the string

  • Use a loop to iterate through the string and store it in the array

  • Use another loop to print the array in reverse order

A R&D Engineer was asked
Q. What is the difference between an RTOS and a general-purpose OS?
Ans. 

RTOS is designed for real-time applications with predictable response time, while normal OS is designed for general-purpose computing.

  • RTOS provides deterministic scheduling and prioritization of tasks.

  • Normal OS may have non-deterministic scheduling and may not prioritize tasks.

  • RTOS has low latency and high throughput.

  • Normal OS may have higher latency and lower throughput.

  • RTOS is used in embedded systems, automotiv...

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Q2. draw and explain a full wave bridge rectifier. explain the losses ... read more
Q3. Suppose a customer experiences a crash in our software, and the c ... read more
Q4. what are the features of 8086 and compare it with the present pro ... read more
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A R&D Engineer was asked
Q. Explain the three-way handshake.
Ans. 

3 way handshake is a process used in TCP/IP network to establish a connection between two devices.

  • The client sends a SYN packet to the server

  • The server responds with a SYN-ACK packet

  • The client sends an ACK packet to the server to confirm the connection

  • This process is used to ensure reliable communication between devices

A R&D Engineer was asked
Q. Explain socket programming.
Ans. 

Socket programming is a way of connecting two nodes on a network to communicate with each other.

  • It involves creating a socket object on both the client and server side.

  • The client sends a request to the server through the socket.

  • The server receives the request and sends a response back through the same socket.

  • Common protocols used in socket programming include TCP and UDP.

  • Examples of applications that use socket pr...

A R&D Engineer was asked
Q. Explain memory mapping.
Ans. 

Memory mapping is the process of assigning a physical address to a virtual address in a computer's memory.

  • Memory mapping allows programs to access physical memory without knowing its exact location.

  • It helps in efficient memory management by allowing multiple programs to share the same physical memory.

  • Memory mapping is commonly used in operating systems and device drivers.

  • Examples of memory mapping techniques inclu...

A R&D Engineer was asked
Q. Explain structure padding.
Ans. 

Structure padding is the insertion of unused bytes between structure members to align them to memory boundaries.

  • Padding is added to ensure that each member of the structure is aligned to a memory address that is a multiple of its size.

  • Padding is added to improve performance by allowing the CPU to access data more efficiently.

  • Padding can be controlled using compiler-specific directives or pragmas.

  • Example: struct ex...

Hewlett Packard Enterprise R&D Engineer Interview Experiences

1 interview found

R&D Engineer Interview Questions & Answers

user image Anonymous

posted on 29 Sep 2021

I applied via Naukri.com and was interviewed in Aug 2021. There were 3 interview rounds.

Interview Questionnaire 

6 Questions

  • Q1. Difference between RTOS and normal OS
  • Ans. 

    RTOS is designed for real-time applications with predictable response time, while normal OS is designed for general-purpose computing.

    • RTOS provides deterministic scheduling and prioritization of tasks.

    • Normal OS may have non-deterministic scheduling and may not prioritize tasks.

    • RTOS has low latency and high throughput.

    • Normal OS may have higher latency and lower throughput.

    • RTOS is used in embedded systems, automotive sys...

  • Answered by AI
  • Q2. Explain structure padding
  • Ans. 

    Structure padding is the insertion of unused bytes between structure members to align them to memory boundaries.

    • Padding is added to ensure that each member of the structure is aligned to a memory address that is a multiple of its size.

    • Padding is added to improve performance by allowing the CPU to access data more efficiently.

    • Padding can be controlled using compiler-specific directives or pragmas.

    • Example: struct example...

  • Answered by AI
  • Q3. Explain memory mapping
  • Ans. 

    Memory mapping is the process of assigning a physical address to a virtual address in a computer's memory.

    • Memory mapping allows programs to access physical memory without knowing its exact location.

    • It helps in efficient memory management by allowing multiple programs to share the same physical memory.

    • Memory mapping is commonly used in operating systems and device drivers.

    • Examples of memory mapping techniques include pa...

  • Answered by AI
  • Q4. Write a C code reversing a string
  • Ans. 

    Reversing a string using C code

    • Declare a character array to store the string

    • Use a loop to iterate through the string and store it in the array

    • Use another loop to print the array in reverse order

  • Answered by AI
  • Q5. Explain socket programming
  • Ans. 

    Socket programming is a way of connecting two nodes on a network to communicate with each other.

    • It involves creating a socket object on both the client and server side.

    • The client sends a request to the server through the socket.

    • The server receives the request and sends a response back through the same socket.

    • Common protocols used in socket programming include TCP and UDP.

    • Examples of applications that use socket program...

  • Answered by AI
  • Q6. Explain 3 way handshake
  • Ans. 

    3 way handshake is a process used in TCP/IP network to establish a connection between two devices.

    • The client sends a SYN packet to the server

    • The server responds with a SYN-ACK packet

    • The client sends an ACK packet to the server to confirm the connection

    • This process is used to ensure reliable communication between devices

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - C, RTOS , multi threading, data structures and algorithms

Skills evaluated in this interview

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Can speak English, can’t deliver in interviews
I feel like I can't speak fluently during interviews. I do know english well and use it daily to communicate, but the moment I'm in an interview, I just get stuck. since it's not my first language, I struggle to express what I actually feel. I know the answer in my head, but I just can’t deliver it properly at that moment. Please guide me
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Ask anonymously on communities.

Interview questions from similar companies

Interview Questionnaire 

1 Question

  • Q1. Company hostory

Interview Preparation Tips

Interview preparation tips for other job seekers - Communication skills

R&D Engineer Interview Questions Asked at Other Companies

Q1. give some ideal characteristics of opamp. what is CMRR. what is t ... read more
Q2. draw and explain a full wave bridge rectifier. explain the losses ... read more
Q3. Suppose a customer experiences a crash in our software, and the c ... read more
Q4. what are the features of 8086 and compare it with the present pro ... read more
asked in Samsung
Q5. Write a program to determine if a knight on a chessboard can reac ... read more
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before May 2022. There were 4 interview rounds.

Round 1 - 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 tips
Round 2 - Aptitude Test 

Aptitude and coding test

Round 3 - Group Discussion 

Generic topics, time 20 to 30 min

Round 4 - HR 

(2 Questions)

  • Q1. Tell me about yourself?
  • Q2. Why should we hire you?

Interview Preparation Tips

Interview preparation tips for other job seekers - Joined the company as a fresher through campus placement in 2020. The hiring process was as follows:

Round 1: Aptitude and Coding test. Generic aptitude test - Quant and Logical reasoning. 1 coding question, you can solve in language of your choice.

Round 2: GD

Round 3: HR interview.

I applied via LinkedIn and was interviewed in Aug 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. JS Questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Learn Basics in your skillset

I applied via Campus Placement and was interviewed before Nov 2021. There were 2 interview rounds.

Round 1 - 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 tips
Round 2 - Technical 

(2 Questions)

  • Q1. Python and Java questions
  • Q2. Oops basic interview questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Easily we can Just Practice basic interview questions
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed before Dec 2021. There were 3 interview rounds.

Round 1 - 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 tips
Round 2 - Coding Test 

There are 2section of exam i.e English and Data structure

Round 3 - Mind analysis games 

(2 Questions)

  • Q1. First round interview is technical interview and managerial interviews which is not that tough. Do all the FaQ on your projects and if dont know any one of question answer then dont worry simply say it a...
  • Q2. 2nd round is HR interview .

Interview Preparation Tips

Interview preparation tips for other job seekers - In HR interview they ask about introduction, strength and weakness , willing to work on teams or not, some scenario based question

I applied via superset and was interviewed before Dec 2021. There were 3 interview rounds.

Round 1 - Aptitude Test 

Basic aptitude and games, pseudo code mcqs

Round 2 - Technical 

(6 Questions)

  • Q1. Tell me about yourself?
  • Q2. Basic computer fundamentals
  • Q3. Difference between for and while loop
  • Q4. Prime number program
  • Ans. 

    A program to check if a given number is prime or not.

    • A prime number is a number that is only divisible by 1 and itself.

    • Start checking from 2 up to the square root of the number.

    • If the number is divisible by any number in the range, it is not prime.

    • Otherwise, it is prime.

  • Answered by AI
  • Q5. SDLC life cycle steps
  • Q6. Final year project explain
Round 3 - HR 

(4 Questions)

  • Q1. Tell me about your self?
  • Q2. Why you want to join us
  • Q3. Your strength and weaknesses
  • Q4. Are you ready for relocation
  • Ans. 

    I am open to relocation as it offers new opportunities for growth and collaboration in diverse environments.

    • Career Growth: Relocating can provide access to new job opportunities and career advancement, such as moving to a tech hub like Silicon Valley.

    • Cultural Experience: Living in a new city allows for personal growth and exposure to different cultures, enhancing both professional and personal life.

    • Networking Opportuni...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Just be confident, clear basic fundamentals and you are ready to go

Skills evaluated in this interview

Are these interview questions helpful?

I applied via Company Website and was interviewed in Apr 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Tell me about yourself.what qualities a leader should have. Which subject was hard for you and how did you manage to overcome it.if a person in your team is not working properly how will you deal with it

Interview Preparation Tips

Interview preparation tips for other job seekers - Always be prepare for your interview... you always know about the company and job profile be comfortable in your answer.. prepare your answers . always be professional

I applied via Campus Placement and was interviewed in Nov 2020. There were 3 interview rounds.

Interview Questionnaire 

10 Questions

  • Q1. Tell me about yourself
  • Ans. 

    I'm a passionate software engineer with a strong background in full-stack development and a love for solving complex problems.

    • Graduated with a degree in Computer Science from XYZ University.

    • Worked at ABC Corp, where I developed a web application that improved user engagement by 30%.

    • Proficient in languages like JavaScript, Python, and Java, with experience in frameworks such as React and Django.

    • Enjoy collaborating in ag...

  • Answered by AI
  • Q2. Write a program to print unique elements in an array in java
  • Ans. 

    Program to print unique elements in an array in Java

    • Create a HashSet to store unique elements

    • Iterate through the array and add each element to the HashSet

    • Print the HashSet to get the unique elements

  • Answered by AI
  • Q3. Types of data structures
  • Ans. 

    Data structures are ways of organizing and storing data in a computer so that it can be accessed and used efficiently.

    • Arrays - a collection of elements of the same type

    • Linked Lists - a sequence of nodes where each node contains a reference to the next node

    • Stacks - a collection of elements with two main operations: push (add) and pop (remove)

    • Queues - a collection of elements with two main operations: enqueue (add) and d...

  • Answered by AI
  • Q4. Tree traversal
  • Q5. What is oops
  • Ans. 

    OOPs stands for Object-Oriented Programming. It is a programming paradigm based on the concept of objects.

    • OOPs focuses on creating objects that contain both data and functions.

    • It emphasizes on encapsulation, inheritance, and polymorphism.

    • Examples of OOPs languages are Java, C++, Python, etc.

  • Answered by AI
  • Q6. Applications of oops
  • Ans. 

    OOPs is used for creating modular, reusable and maintainable code.

    • Encapsulation: Hiding implementation details and exposing only necessary information.

    • Inheritance: Reusing code and creating a hierarchy of classes.

    • Polymorphism: Using a single interface to represent multiple entities.

    • Abstraction: Reducing complexity by hiding unnecessary details.

    • Examples: Java, C++, Python, Ruby, etc.

  • Answered by AI
  • Q7. What is inheritance
  • Ans. 

    Inheritance is a mechanism in object-oriented programming where a new class is created by inheriting properties of an existing class.

    • Inheritance allows code reuse and promotes code organization.

    • The existing class is called the parent or superclass, and the new class is called the child or subclass.

    • The child class inherits all the properties and methods of the parent class and can also add its own unique properties and ...

  • Answered by AI
  • Q8. What is polymorphism
  • Ans. 

    Polymorphism is the ability of an object to take on many forms.

    • It allows objects of different classes to be treated as if they were objects of the same class.

    • It is achieved through method overriding and method overloading.

    • Example: A parent class Animal can have child classes like Dog, Cat, and Bird, each with their own unique implementation of the method 'makeSound'.

    • Polymorphism makes code more flexible and reusable.

  • Answered by AI
  • Q9. What is abstraction? Explain with example
  • Ans. 

    Abstraction is the process of hiding complex implementation details and exposing only the necessary information.

    • Abstraction helps in reducing complexity and increasing efficiency.

    • It allows us to focus on the essential features of an object or system.

    • For example, a car can be abstracted as a vehicle with certain properties like speed, fuel efficiency, and seating capacity.

    • Abstraction can be achieved through interfaces, ...

  • Answered by AI
  • Q10. What is encapsulation
  • Ans. 

    Encapsulation is the process of hiding implementation details and providing a public interface for accessing the functionality.

    • Encapsulation helps in achieving data abstraction and information hiding

    • It prevents unauthorized access to the internal details of an object

    • It allows for easy modification of implementation without affecting the external code

    • Example: A class with private variables and public methods

    • Example: A b...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - As I'm from ECE background it's little bit easy for me because they ask basic questions. If we are good enough in basics it's easy to crack Mindtree interview

Skills evaluated in this interview

I applied via Company Website and was interviewed in Mar 2021. There were 5 interview rounds.

Interview Questionnaire 

3 Questions

  • Q1. IN TR1 THEY ASKED BASIC QUESTIONS ON ARRAY ,2D ARRAY,SEARCHING AND SORTING ,OOPS CONCEPTS NOT MUCH CODING.
  • Q2. In tr2 they asked me to implement quicksort logic only and what is time complexity, tell about osi model,process synchronization, paging and threads .
  • Ans. 

    Asked to implement quicksort and explain time complexity, OSI model, process synchronization, paging, and threads.

    • Implement quicksort algorithm

    • Explain time complexity of quicksort

    • Describe OSI model and its layers

    • Discuss process synchronization techniques

    • Explain paging and its role in memory management

    • Discuss threads and their use in concurrent programming

  • Answered by AI
  • Q3. Hr round was simple tell me about yourself.

Interview Preparation Tips

Interview preparation tips for other job seekers - I was not able to give answer to paging and process synchronization but was able to implement quicksort,so don't worry give your best and rest leave to life

Hewlett Packard Enterprise Interview FAQs

What are the top questions asked in Hewlett Packard Enterprise R&D Engineer interview?

Some of the top questions asked at the Hewlett Packard Enterprise R&D Engineer interview -

  1. Difference between RTOS and normal...read more
  2. Write a C code reversing a str...read more
  3. Explain 3 way handsh...read more

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