Arcane Programming Infotech Dot Net Developer Trainee Interview Questions and Answers

Q1. Demonstrate Function Overriding.
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Q2. Linq query with order by
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Q3. What is Out Parameter with example
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Q4. Authentication and autherization, JWT Tocken
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Q5. Reflection in C#
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Q1. What are the types and number of constraints in your specific context?
Ans. 
There are various types of constraints in DOT NET development, including primary key, foreign key, unique, check, and default constraints.
• Primary key constraints ensure each record in a table is unique.

• Foreign key constraints enforce referential integrity between tables.

• Unique constraints ensure that all values in a column are distinct.

• Check constraints validate the data before it is inserted or updated.

• Default constra...read more
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Q2. What is the difference between an independent class and an abstract class?
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Independent class can be instantiated while abstract class cannot be instantiated directly.
• Independent class can be directly instantiated using the 'new' keyword.

• Abstract class cannot be instantiated directly, it can only be used as a base class for other classes.

• Independent class does not require any derived class to implement its members.

• Abstract class can have abstract methods that must be implemented by derived cla
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Q1. Technical coding with the technical team
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Q1. What are your reasons for changing your job?
Ans. 
Seeking new challenges, growth opportunities, and a better work-life balance.
• Looking for new challenges and opportunities to learn and grow.

• Seeking a better work-life balance.

• Interested in working with new technologies or in a different industry.

• Wanting to advance my career and take on more responsibilities.

• Company restructuring or changes in management.
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Q1. How to call abstract constructor
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Q2. Difference between generic list and list which is faster
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Write prime number code

Q1. Preferred location
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I am open to any location that offers growth opportunities and a challenging work environment.
• Open to relocation for the right opportunity

• Prefer locations with strong networking infrastructure

• Interested in locations with tech hubs or opportunities for professional development
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Q2. What' isbm your CCTC?
Ans. 
My current CCTC is $80,000 per year.
• Current CCTC is $80,000 per year

• CCTC may include salary, bonuses, benefits, etc.

• Negotiable based on experience and qualifications
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Q1. Full form of BGP
Ans. 
Border Gateway Protocol
• BGP stands for Border Gateway Protocol

• It is a standardized exterior gateway protocol used to exchange routing information between different autonomous systems on the internet

• BGP helps in determining the best path for data to travel between networks

• It is commonly used by Internet Service Providers (ISPs) and large organizations to connect to multiple networks

• BGP operates on TCP port 179
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Q2. Router function
Ans. 
Routers are networking devices that forward data packets between computer networks.
• Routers operate at the network layer of the OSI model

• They use routing tables to determine the best path for data packets

• Routers can connect different types of networks, such as LANs and WANs
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Q1. What is Joining date
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Q2. What is your ECTC
Ans. 
Expected CTC (Cost to Company) for the position
• ECTC stands for Expected Cost to Company

• It includes salary, bonuses, benefits, and any other compensation offered by the employer

• Candidates should provide their expected salary range based on their experience and skills
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Q1. What is the extension method
Ans. 
Extension methods allow adding new methods to existing types without modifying the original type
• Extension methods are static methods that can be called as if they were instance methods of the extended type

• They are defined in static classes and must be in the same namespace as the extended type

• They are commonly used to add functionality to existing types or interfaces without modifying them directly
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Q2. What is difference between union and union all
Ans. 
Union combines and removes duplicates, Union All combines without removing duplicates.
• Union removes duplicates from the result set, while Union All does not.

• Union is slower than Union All because it has to perform an additional step to remove duplicates.

• Union is used when you want to combine two result sets and remove duplicates, while Union All is used when you want to combine two result sets without removing duplicat
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Q3. What is constructor chaining
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Constructor chaining is the process of calling one constructor from another constructor within the same class.
• Allows for reusing code and avoiding duplication

• Can be achieved using 'this' keyword in the constructor

• Example: public MyClass(int x) : this(x, 0) {}
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Q4. What is CTE and explain
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CTE stands for Common Table Expressions, which is a temporary result set that can be referenced within a SELECT, INSERT, UPDATE, or DELETE statement.
• CTEs are defined using the WITH keyword in SQL.

• They help improve readability and maintainability of complex queries.

• CTEs can be recursive, allowing for hierarchical data querying.

• Example: WITH CTE AS (SELECT * FROM table_name) SELECT * FROM CTE;

• Example: WITH RECURSIVE CTE ...read more
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Q5. What is constructor
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A constructor is a special method in a class that is automatically called when an object of that class is created.
• Constructors have the same name as the class they belong to.

• They are used to initialize the object's state.

• Constructors can be parameterized or default (no parameters).

• Example: public class Person { public Person(string name) { this.Name = name; } }
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Q6. How to send bulk of data through db
Ans. 
Use bulk insert or batch processing to send large amounts of data through the database.
• Use bulk insert operations provided by the database management system.

• Consider using batch processing techniques to optimize performance.

• Use stored procedures or parameterized queries for efficient data transfer.
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Q7. Which design pattern do you used in your project
Ans. 
I have used the MVC (Model-View-Controller) design pattern in my project.
• Separates the application into three main components: Model, View, and Controller

• Promotes code reusability, modularity, and maintainability

• Example: ASP.NET MVC framework
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Q8. What are the characteristics of singleton pattern and how to use
Ans. 
Singleton pattern ensures a class has only one instance and provides a global point of access to it.
• Characteristics include private constructor, static instance variable, static method to access instance, lazy initialization, and thread safety.

• Example: public class Singleton { private static Singleton instance; private Singleton() {} public static Singleton getInstance() { if (instance == null) { instance = new Singlet
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Q9. Write a linq to fetch the data from db table(students) and data (studentid) should be in asending rder
Ans. 
Use LINQ to fetch data from the 'students' table in ascending order of 'studentid'.
• Use LINQ query syntax or method syntax to retrieve data from the 'students' table.

• Order the data by 'studentid' in ascending order using the 'OrderBy' or 'OrderByDescending' method.

• Ensure that the LINQ query is executed against the database to fetch the data.
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I would like simple test

Q1. I would like to lisen the words of company maganement .. And the process of company rules and regulations ..
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Q2. I will occupy the group of my team to secrue the entire the company to first stage
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Q3. I want to.Get a job inMahindra
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Q4. I didn't learn the computertyping but will learn definitely.. in tech Mahindr company basics
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Q5. I am a student degree first year.. ButI would like work in techMahindra..
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Q1. What's your experience
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Q2. Whats your Qualifications
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Q1. What are joins?
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Q2. Oops concept and its implementation
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Q1. What are the types of the breaks
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Q2. What is Java proggram
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