Hewlett Packard Enterprise IT Developer Interview Questions and Answers

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
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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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