Hewlett Packard Enterprise Interview Questions, Process, and Tips

Round duration - 70 Minutes
Round difficulty - Medium

This round had 40 MCQ's followed by 2 questions of DS and Algo. The programming questions were preety standard and can be solved within 30 minutes.

Q1. 
Maximum Subarray Sum Problem Statement
Given an array arr of length N consisting of integers, find the sum of the subarray (including empty subarray) with the maximum sum among all subarrays.
Explanation...read more
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Q2. 
Remove Character from String Problem Statement
Given a string str and a character 'X', develop a function to eliminate all instances of 'X' from str and return the resulting string.
Input:
The first lin...read more
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Round duration - 60 Minutes
Round difficulty - Medium

This round had questions from DSA, OS, DBMS and Computer Networks. The programming question was quiet easy and I coded it preety fast after discussing the appropriate approach and complexity analysis.

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. Can you explain the concepts of multitasking and multiprogramming?
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Q3. What is the difference between a process and a program?
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Q4. What is the difference between a process and a thread?
Ans. 
A process is an instance of a program, while a thread is a unit of execution within a process.
• A process has its own memory space, while threads share the same memory space.

• Processes are independent and isolated, while threads can communicate and share resources.

• Creating a new process is more resource-intensive than creating a new thread.

• Processes have their own program counter, while threads share the same program coun...read more
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Q5. What is the main difference between UNION and UNION ALL?
Ans. 
UNION combines and removes duplicate rows, UNION ALL combines without removing duplicates.
• UNION combines the result sets of two or more SELECT statements into a single result set

• UNION removes duplicate rows from the result set

• UNION ALL combines the result sets without removing duplicates

• UNION is slower than UNION ALL as it requires additional processing to remove duplicates

• Use UNION when you want to combine and remove ...read more
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Q6. What are the advantages of using views in a database management system?
Ans. 
Views provide a virtual representation of data, offering advantages such as simplifying complex queries, enhancing security, and improving performance.
• Views simplify complex queries by predefining commonly used joins, filters, and aggregations.

• Views enhance security by allowing users to access only specific columns or rows of a table.

• Views improve performance by storing the results of complex queries, reducing the need...read more
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Q7. What is the ARP protocol?
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Round duration - 30 Minutes
Round difficulty - Easy

This is a cultural fitment testing round. HR was very frank and asked standard questions. Then we discussed about my role.

Q1. Why should we hire you?
Ans. 
I should be hired because of my strong technical skills, problem-solving abilities, and passion for software development.
• I have a solid understanding of data structures and algorithms.

• I have experience in developing and debugging complex software systems.

• I am a quick learner and can adapt to new technologies and programming languages.

• I have a track record of delivering high-quality code on time.

• I am a team player and c...read more
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Q2. What is something about you that is not included in your resume?
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