Dell EMC Software Development Engineer II Interview Questions and Answers

Standard quantitative questions accompanied by logical reasoning and related topics.

Q1. Asked about my projects.
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Q2. What are the basic Object-Oriented Programming (OOP) concepts, including polymorphism and inheritance?
Ans. 
OOP concepts include encapsulation, inheritance, polymorphism, and abstraction.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (class).

• Inheritance: Allows a class to inherit properties and behavior from another class.

• Polymorphism: Objects of different classes can be treated as objects of a common superclass.

• Abstraction: Hides complex implementation details and only shows the necessa
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Q3. Can you explain React, how it functions, and the related concepts?
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React is a JavaScript library for building user interfaces.
• React allows developers to create reusable UI components.

• It uses a virtual DOM for efficient rendering.

• React uses a declarative approach to define how the UI should look based on the application state.

• It supports server-side rendering for improved performance.

• React can be used with other libraries like Redux for state management.
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Q4. About my final year project and how would you improve it?
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Q1. Can you introduce yourself and provide some information about your family?
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I am a software engineer with a passion for coding and problem-solving. I come from a close-knit family with supportive parents and siblings.
• Software engineer with coding and problem-solving skills

• Close-knit family with supportive parents and siblings
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Q2. What are your strengths and weaknesses, and how are you addressing your weaknesses?
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My strengths include problem-solving and teamwork, while my weaknesses are time management and public speaking. I am addressing my weaknesses by taking time management courses and practicing public speaking.
• Strengths: problem-solving, teamwork

• Weaknesses: time management, public speaking

• Addressing weaknesses: taking time management courses, practicing public speaking
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Q1. How can you remove duplicate numbers from an array?
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Q2. What are the differences between var, let, and const in JavaScript?
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Q1. Worst company ever Hiring process is very unprofessional and complicated. HR told me to attend office for last round of interview but when I reach hyderabad they scheduled HR interview virtually and offere...read more
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It was an aptitute round and 2 coding questions was there

Q1. Tell me about yourself
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Q2. We had discussion on projects than mentioned in my resume
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Q3. Then he moved to DSA question in which he told to how you will insert node in doubly linked list ,I answered all correctly he appreciated me also but after 5 min one person came and told you can go . I was...read more
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Aptitude, electronics

Q1. Transformer and power supply
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Q2. What is a pointer
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Q1. What all thinks happen on powering on a device.
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I just need to speak fluently on a specific topic.

The online assessment consists of basic aptitude questions, three coding questions, and a section on pseudocode.

Q1. What are the differences and similarities between Java and Python, and which one is considered the best?
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Q2. Can you provide details about your project?
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Q3. What is testing, and what do you know about it?
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Q4. Write SQL joins queries
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Q1. What are the reasons you have not been placed in any company until now?
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Q2. Can you tell me about yourself?
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Q3. Can you describe a cooking disaster you experienced?
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Fibonacci series and program to find the max number in list

Q1. What is oops and explain each of the terms
Ans. 
OOPs stands for Object-Oriented Programming. It is a programming paradigm based on the concept of objects.
• OOPs consists of four main principles: Inheritance, Encapsulation, Abstraction, and Polymorphism.

• Inheritance allows a class to inherit properties and behavior from another class.

• Encapsulation refers to the bundling of data and methods that operate on the data into a single unit.

• Abstraction focuses on hiding the int...read more
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Q2. What is list, dictionary, set and tuple and difference between them
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List, dictionary, set, and tuple are data structures in Python with different characteristics and use cases.
• List: ordered collection of items, mutable (can be changed), represented by square brackets []

• Dictionary: unordered collection of key-value pairs, mutable, represented by curly braces {}

• Set: unordered collection of unique items, mutable, represented by curly braces {}

• Tuple: ordered collection of items, immutable ...read more
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Q1. Oops concept related work
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Q2. Technology used in prj
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Various technologies used in the project include Java, Spring Boot, Angular, MySQL, and Docker.
• Java

• Spring Boot

• Angular

• MySQL

• Docker
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