Delhi Technological University Interview Questions and Answers

Verbal, Non Verbal and Cognitive

Q1. Digital Electronics based Questions
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Q2. Microcontroller based Questions
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Q3. Programmable Logic Controller based Questions
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Q1. Personal Details based Questions
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Q2. Discussed about Work Location
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Q1. Do you know about sunstone
Ans. 
Sunstone is a type of feldspar mineral that exhibits a unique glittery appearance due to inclusions of hematite or goethite.
• Sunstone is commonly found in countries like Norway, India, Russia, and the United States.

• It is often used in jewelry making due to its attractive appearance.

• Sunstone is believed to have metaphysical properties such as promoting leadership, vitality, and creativity.
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Q2. What's the salary expectation
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Q3. Are you comfortable with calling
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Q1. What do you know about sales
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Sales involves the process of selling products or services to customers in exchange for money.
• Sales is the process of identifying potential customers, understanding their needs, and persuading them to purchase a product or service.

• It involves building relationships with customers, providing information about products, and closing deals.

• Sales can be done through various channels such as direct selling, online sales, or ...read more
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Q2. How can you convince someone
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Q3. Comfortable with sales? With calling more that 100 clients?
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Check For Balanced Bracket in an expression using stack(space and Time complexity)
Longest Increasing Subsequence(space and time complexity)

Sql, CN, OS

0-1 Knapsack Problem
Word Break Problem

Aptitude and logical Based Question

Schema design for online delivery system

Sql, CN, OS

Q1. Project Discussion,Current Technology , Blockchain and Cryptocurrencies
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Q2. Managerial Questions
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Q1. Simple questions as it was for intern
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Q2. Introduction about myself
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Q1. Asked about the gist of resume and working experience
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Q2. Asked about the tools they use and if I've working knowledge of those tools.
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Q1. Why do one wanna join the company?
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Q2. If i'm availabe for three months and what day to day activity would look like.
Ans. 
As a data analyst for three months, I would be responsible for analyzing data, creating reports, and presenting insights to stakeholders.
• Analyze data to identify trends and patterns

• Create reports and visualizations to communicate insights

• Collaborate with stakeholders to understand their needs and provide recommendations

• Use statistical tools and techniques to validate findings

• Continuously monitor and improve data qualit...read more
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Q1. Introduction, background, why sales, goals etc
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Q1. Introduction, background, pitch, product knowledge etc
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Q1. What is method overloading?
Ans. 
Method overloading is when multiple methods in a class have the same name but different parameters.
• Allows multiple methods with the same name but different parameters to be defined in a class

• Parameters can differ in number, type, or order

• Example: void print(int num) and void print(String text) are overloaded methods
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Q2. What is method overiding ?
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Method overriding is a feature in object-oriented programming that allows a subclass to provide a specific implementation of a method that is already provided by its superclass.
• Method overriding is done when a subclass provides a specific implementation for a method that is already defined in its superclass.

• The method in the subclass must have the same name, return type, and parameters as the method in the superclass.

• M...read more
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Q3. What is sigleton class ?
Ans. 
A singleton class is a class that can only have one instance created and provides a global point of access to that instance.
• Singleton classes are often used for logging, caching, database connections, and thread pools.

• They typically have a private constructor to prevent instantiation from outside the class.

• The class itself usually provides a static method to access the single instance.
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Q1. What are Oops Pillars?
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Oops Pillars are the four main concepts of Object-Oriented Programming: Inheritance, Encapsulation, Polymorphism, and Abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundles data and methods into a single unit, protecting data from outside interference.

• Polymorphism: Allows objects to be treated as instances of their parent class, enabling flexibility in code.

• ...read more
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Q2. What is Dependency injection?
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Dependency injection is a design pattern in which components are given their dependencies rather than creating them internally.
• Allows for easier testing by mocking dependencies

• Promotes loose coupling between components

• Improves code reusability and maintainability

• Examples: Constructor injection, Setter injection, Interface injection
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Mcq test on c#, sql, Mvc

Q1. Introduce your self?
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Q2. What is pipeline? Explained in brif?
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A pipeline is a series of interconnected steps or stages in a process, where output of one step is input to the next step.
• Pipeline is commonly used in software development for continuous integration and continuous delivery processes.

• Each step in the pipeline performs a specific task, such as building, testing, and deploying code.

• Pipeline automation tools like Jenkins, GitLab CI/CD, and Azure DevOps help in managing and
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Q3. Explained the dot net framework
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The .NET Framework is a software framework developed by Microsoft that provides a large library of pre-coded solutions to common programming problems.
• Developed by Microsoft

• Provides a large library of pre-coded solutions

• Supports multiple programming languages like C#, VB.NET, F#

• Consists of Common Language Runtime (CLR) and Framework Class Library (FCL)
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Q4. What Are The Different Components Of DOT-NET?
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The different components of DOT-NET include Common Language Runtime (CLR), Framework Class Library (FCL), and ASP.NET.
• Common Language Runtime (CLR) - provides various services such as memory management, exception handling, and security.

• Framework Class Library (FCL) - a collection of reusable classes, interfaces, and value types that provide access to system functionality.

• ASP.NET - a web application framework for buildi...read more
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Q5. What Is The Difference Between Abstract Classes And Interfaces In C#?
Ans. 
Abstract classes can have implementation details while interfaces cannot.
• Abstract classes can have method implementations while interfaces cannot.

• A class can inherit only one abstract class but can implement multiple interfaces.

• Abstract classes can have access modifiers on their members while interfaces cannot.

• Interfaces are used to define a contract for classes to implement.

• Abstract classes are used to provide a commo
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