Hewlett Packard Enterprise Interview Questions, Process, and Tips

It was kind of difficult the coding part

They asked basic on going topic like impact of AI

Q1. Very much complex questions on cloud, oops, python and networks
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Q2. What is diffrent between linear and logestic regression
Ans. 
Linear regression is used for predicting continuous values, while logistic regression is used for predicting binary outcomes.
• Linear regression is used when the dependent variable is continuous and has a linear relationship with the independent variable.

• Logistic regression is used when the dependent variable is binary or categorical and the relationship between the independent variables and the outcome is non-linear.

• Lin...read more
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Q3. Certain questions on cloud
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1st round was an online assessment, which included questions from Aptitude,Dbms,Os,pseudo code and 2 coding questions

Q1. Introduce yourself
Ans. 
I am a passionate IT developer with 5 years of experience in web development and programming.
• 5 years of experience in web development

• Proficient in programming languages such as Java, JavaScript, and Python

• Strong problem-solving skills and ability to work in a team environment
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Q2. Share details about a project
Ans. 
Developed a web application for tracking inventory in real-time
• Used React.js for front-end development

• Implemented RESTful APIs for communication with backend server

• Utilized MongoDB for database storage
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Q3. In depth questions on project,how will u trouble shoot the errors mostly scenario based
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Q4. What is REST API
Ans. 
REST API is a set of rules and conventions for building and interacting with web services using HTTP methods.
• REST stands for Representational State Transfer

• Uses standard HTTP methods like GET, POST, PUT, DELETE

• Data is transferred in JSON or XML format

• Stateless communication between client and server

• Example: GET request to retrieve data from a server
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Q5. Difference between delete and drop commands SQL
Ans. 
Delete command removes rows from a table, while drop command removes entire table structure.
• DELETE command is used to remove specific rows from a table based on a condition

• DROP command is used to remove an entire table along with its structure

• DELETE command can be rolled back using transactions, while DROP command cannot be rolled back

• Example: DELETE FROM table_name WHERE condition; DROP TABLE table_name;
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Q6. What is STATIC IP AND DYNAMIC IP
Ans. 
Static IP is a fixed IP address assigned to a device, while dynamic IP is one that changes each time a device connects to a network.
• Static IP remains the same every time the device connects to the network

• Dynamic IP changes each time the device connects to the network

• Static IP is typically used for servers, while dynamic IP is common for personal devices

• Example: A home router may have a dynamic IP assigned by the ISP, w...read more
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Q1. Tell me about yourself
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Q2. Swot analysis
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Q1. Basic networking questions
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Q2. Final year project related questions
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Q1. What are primitive and non primitive data types
Ans. 
Primitive data types are basic data types provided by the programming language, while non-primitive data types are created by the programmer.
• Primitive data types include int, float, double, char, boolean, etc.

• Non-primitive data types include arrays, classes, interfaces, etc.

• Primitive data types store actual values, while non-primitive data types store references to objects.
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Q2. What are access modifiers and non access modifiers
Ans. 
Access modifiers control the visibility of classes, methods, and variables. Non-access modifiers provide additional functionality.
• Access modifiers: public, private, protected, default

• Non-access modifiers: static, final, abstract, synchronized

• Example: public class MyClass { private int myVar; }
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Q3. What are all Java 8 features and explain the one which we have used in our project
Ans. 
Java 8 features include lambda expressions, functional interfaces, streams, and more.
• Lambda expressions allow concise syntax for defining anonymous functions.

• Functional interfaces can have only one abstract method and are used for lambda expressions.

• Streams provide a way to process collections of objects in a functional style.

• Optional class helps to avoid NullPointerException by wrapping a value that may be null.
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Q4. CICD tools which we have used explain in high level
Ans. 
CICD tools automate the process of building, testing, and deploying code changes.
• Popular CICD tools include Jenkins, GitLab CI/CD, CircleCI, and Travis CI

• These tools help in automating the software development lifecycle

• They enable continuous integration, continuous delivery, and continuous deployment

• CICD tools help in improving code quality, reducing manual errors, and increasing development speed
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Q5. What is containerization
Ans. 
Containerization is a lightweight, portable, and self-sufficient way to package and run applications.
• Containerization involves encapsulating an application and its dependencies into a container image.

• Containers are isolated from each other and share the host OS kernel.

• Popular containerization platforms include Docker and Kubernetes.

• Containerization allows for easy deployment and scaling of applications.
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Q6. What is indexing in sql
Ans. 
Indexing in SQL is a technique used to improve the performance of queries by creating a data structure that allows for faster retrieval of data.
• Indexes are created on columns in a database table to speed up the retrieval of rows that match a certain condition in a query.

• They work similar to the index in a book, allowing the database to quickly locate the rows that satisfy the query.

• Indexes can be created using a single...read more
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Q7. Programming question on stream like finding the longest string in a given list of string
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Q1. Java programs related to strings
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Q2. Collections question in java
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Q1. How do you use docker and kubernetes in your project
Ans. 
I use Docker for containerization and Kubernetes for orchestration in my project.
• I use Docker to create lightweight, portable containers for my applications.

• I use Kubernetes to automate deployment, scaling, and management of these containers.

• I define my application's infrastructure and dependencies in Dockerfiles and Kubernetes manifests.

• I use Kubernetes features like pods, services, and deployments to ensure high avai
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Q2. Did you created the kubernetes cluster yourself
Ans. 
Yes, I have experience creating and managing Kubernetes clusters.
• Yes, I have created Kubernetes clusters from scratch

• I have experience configuring and managing nodes in the cluster

• I have deployed applications and services on the Kubernetes cluster

• I have set up monitoring and scaling mechanisms for the cluster
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