Hewlett Packard Enterprise Hpc Engineer Interview Questions and Answers

2 coding questions and should complete one after another

60 min test with multiple choice questions

Q1. Live coding or some questions
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Q1. Basic java and one coding question
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Q1. In depth questions on oops and spring boot hibernate and java 8 features
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Q1. Good skill and growth
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Q1. Growth and good skill
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Sitting arrangement questions

Blood group relationship

Cloud computing Testing

HTML css java script

What is DATA base management system

Q1. Tell me about your self
Ans. My name is sumalata vastrad iam from Gadag I did my graduation in BCA from Karnataka University dharwad currently iam researching jobs i did my schooling from Howrah
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Q2. Family background detailed
Ans. I belong to a nuclear family we are four members in my family father, mother younger brother and me
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Q3. Company background detailed
Ans. Enable business outcome for client through global managaed service for networking data centre cloud in structure founded in 1988
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Q4. What is DATA structure
Ans. 
A data structure is a way of organizing and storing data in a computer so that it can be accessed and manipulated efficiently.
• Data structures provide a means to manage and organize data in a logical and efficient manner.

• They define the relationship between the data, allowing for easy retrieval and modification.

• Examples of data structures include arrays, linked lists, stacks, queues, trees, and graphs.
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Q5. Definition of java and benifit of java
Ans. 
Java is a popular programming language known for its platform independence and extensive libraries.
• Java is an object-oriented language that allows developers to write code once and run it on any platform.

• It provides a robust and secure environment for developing and executing applications.

• Java has a vast collection of libraries and frameworks that simplify development and enhance productivity.

• It supports multithreading...read more
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Q6. Characters of java script
Ans. 
JavaScript characters include letters, numbers, symbols, and special characters.
• JavaScript characters can be used to create strings, numbers, and perform operations.

• Examples of JavaScript characters include 'a', '1', '$', and '&'.
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Q7. What is software engineer (se)
Ans. 
A software engineer is a professional who designs, develops, and maintains software applications.
• Software engineers use programming languages and tools to create software solutions.

• They analyze user requirements and design software architecture.

• Software engineers write code, test and debug software, and ensure its functionality.

• They collaborate with other team members and follow software development best practices.

• Exam...read more
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Q8. What are the model of software engineerwat
Ans. 
The models of software engineering refer to different approaches or methodologies used in software development.
• Waterfall model

• Agile model

• Iterative model

• Spiral model

• V-model
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Q9. Explain resk management system
Ans. 
A risk management system is a software tool or platform that helps organizations identify, assess, and mitigate risks.
• A risk management system helps organizations identify potential risks and their impact on business operations.

• It assesses the likelihood of risks occurring and the severity of their impact.

• The system provides tools for documenting and tracking risks, assigning responsibilities, and implementing mitigati...read more
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Q10. What is operating system
Ans. 
An operating system is a software that manages computer hardware and software resources and provides common services for computer programs.
• Manages computer hardware and software resources

• Provides common services for computer programs

• Controls and coordinates computer operations

• Acts as an intermediary between users and computer hardware

• Examples: Windows, macOS, Linux, Android, iOS
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Q11. DefiNe software testing
Ans. 
Software testing is the process of evaluating a software system to identify defects or errors.
• Software testing is essential to ensure the quality and reliability of software.

• It involves executing the software with the intention of finding bugs or issues.

• Testing can be done manually or using automated tools.

• Different types of testing include unit testing, integration testing, system testing, and acceptance testing.

• Examp...read more
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Q1. Tell me about your self
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Q2. Family background detailed
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Q3. Company background detailed
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Q1. What is your name please tell Detailed NTT
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Q2. NTT DATA company background detailed
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Q3. Tell me your self introduction
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Cloud computing Testing

Blood group relationship

Sitting arrangement questions

Alphabet letter coding

Q1. Tell me about your self
Ans. My name is sumalata vastrad iam from Gadag I did my graduation in BCA from Karnataka University dharwad currently iam researching jobs i did my schooling from Howrah
Answered Anonymously
Add your answer
Q2. Family background detailed
Ans. I belong to a nuclear family we are four members in my family father, mother younger brother and me
Answered Anonymously
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Q3. Company background detailed
Ans. Founded in 1988 enable business out come for client
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Blood group relationship between parents and children

Blood group relationship between parents and children

Q1. What are indexes in the database? what is the difference between clustered and non-clustered indexes?
Ans. 
Indexes are used to improve database performance. Clustered indexes determine the physical order of data, while non-clustered indexes do not.
• Indexes are used to speed up data retrieval operations in a database.

• Clustered indexes determine the physical order of data in a table, while non-clustered indexes do not.

• A table can have only one clustered index, but multiple non-clustered indexes.

• Clustered indexes are generally ...read more
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Q2. Write a query to delete duplicate rows from a table.
Ans. 
Query to delete duplicate rows from a table
• Use GROUP BY clause to group the rows by their unique values

• Use HAVING clause to filter out the groups with count greater than 1

• Use DELETE statement to delete the duplicate rows
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Q3. Class A { public string A() { return "hello"; } } what is wrong with above code?
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Q4. What is a singleton pattern and how to implement it?
Ans. 
Singleton pattern restricts the instantiation of a class to a single instance and provides a global point of access to it.
• Create a private constructor to restrict instantiation of the class

• Create a private static instance of the class

• Create a public static method to access the instance

• Ensure thread safety if necessary

• Examples: Database connection, Logger, Configuration settings
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Q5. How do you handle exceptions in stored procedures?
Ans. 
Handle exceptions in stored procedures by using TRY-CATCH blocks.
• Use TRY-CATCH blocks to catch and handle exceptions

• Log the error message and severity level

• Rollback the transaction if necessary

• Rethrow the error if it cannot be handled

• Use RAISERROR to raise custom error messages
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Q6. Explain SOLID principles.
Ans. 
SOLID principles are a set of five design principles that help in creating maintainable and scalable software.
• S - Single Responsibility Principle: A class should have only one reason to change.

• O - Open-Closed Principle: Software entities should be open for extension but closed for modification.

• L - Liskov Substitution Principle: Subtypes should be substitutable for their base types.

• I - Interface Segregation Principle: C...read more
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Q7. Difference between throw and throw exception?
Ans. 
throw is used to throw an exception while throw exception is used to throw a specific exception.
• throw is used to throw any type of exception while throw exception is used to throw a specific type of exception.

• throw exception is followed by the type of exception that needs to be thrown.

• throw can be used to throw any object while throw exception can only be used to throw an exception object.

• Example: throw new Exception("
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Q1. Explain center limit theorm
Ans. 
The center limit theorem states that the sum or average of a large number of independent and identically distributed random variables will tend towards a normal distribution.
• The theorem applies to a wide range of distributions, not just normal distributions.

• It is often used in statistical analysis to estimate population parameters.

• The theorem assumes that the random variables are independent and identically distributed...read more
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Q2. Difference between covariance and correlation
Ans. 
Covariance measures how two variables vary together, while correlation measures the strength of their linear relationship.
• Covariance can be positive, negative, or zero, indicating the direction of the relationship between the variables.

• Correlation ranges from -1 to 1, with 0 indicating no linear relationship and -1 or 1 indicating a perfect negative or positive linear relationship, respectively.

• Covariance is affected b...read more
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Q3. Basics of performance matrix
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Q1. How embeddings works
Ans. 
Embeddings are a way to represent words or phrases as vectors in a high-dimensional space.
• Embeddings are learned through neural networks that analyze large amounts of text data.

• They capture semantic and syntactic relationships between words.

• They are used in natural language processing tasks such as language translation and sentiment analysis.

• Popular embedding models include Word2Vec and GloVe.
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Q2. How word2vec is generated
Ans. 
word2vec is a neural network model used to generate word embeddings.
• word2vec uses a shallow neural network with one input layer, one hidden layer, and one output layer.

• It learns to predict the context of a word by training on a large corpus of text.

• The output of the hidden layer is used as the word embedding.

• There are two approaches to word2vec: continuous bag of words (CBOW) and skip-gram.

• CBOW predicts a word given it...read more
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Q3. If client ask you improve the performance of the model without changing architect and data what will be your first step
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Q4. What is an API? how to deploy it
Ans. 
API stands for Application Programming Interface. It is a set of protocols and tools for building software applications.
• API is a way for different software components to communicate with each other

• It defines how software components should interact with each other

• API can be deployed on a server or cloud platform

• API can be accessed through HTTP requests

• API documentation is important for developers to understand how to us
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String

Q1. Some basic HR questions and negotiations
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Merit and demerit of Machine learning ?

General Aptitude and reasoning

Q1. Oops concept, DBMS , Data Structure
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Q2. What is Normalisation?
Ans. 
Normalisation is the process of organizing data in a database to reduce redundancy and improve data integrity.
• It involves dividing larger tables into smaller ones and defining relationships between them.

• Normalization helps to eliminate data inconsistencies and anomalies.

• There are different levels of normalization, such as first normal form (1NF), second normal form (2NF), and so on.

• Normalization can improve database pe...read more
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Q3. What is polimorphism?
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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 shape class can have multiple subclasses like circle, square, etc. and all can be treated as shapes.

• Example: A method can take an object of a parent class as a parameter and it can accept a
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Q4. What is Stack and Pre and post Tree formation
Ans. 
Stack is a data structure that follows LIFO. Pre and post tree formation are methods of traversing a tree.
• Stack is used for backtracking, undoing, and recursion.

• Pre-order traversal visits the root node first, then left subtree, then right subtree.

• Post-order traversal visits the left subtree, then right subtree, then root node.
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Q1. Tell me about yourself
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Q2. Tell me About company ?
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Q1. Hashmap, linkedlist, arraylist, collection interface
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Q2. Small coding questions on collection interface
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Q1. Managerial round, questions were on certain scenarios like production issues and how to handle them
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Q1. Relocation, salary discussion
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