NCR Voyix Interview Questions, Process, and Tips for Experienced

Q1. Basic business analysis and product owner questions. Mostly on agile methodology.
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Q1. Client round on previous experience
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Q1. Sir/mem office time kitne ghante Sailari kitni. Saptaha me 1 chhutti
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Q2. Mera work puri emandari se hoga waise hi hame time se pememnt mil jaye bas yahi h or work me koi shikayat ka chance nahi dugi
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Name Uma karpenter vill. Umari post. Suji jita rewa m. P.

Q1. Sir/mem am Argent work me need i hop ki andastand you sir am honest and any experience h
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Q1. What are interfaces and what is difference between an interface and abstract class
Ans. 
Interfaces define a contract for behavior, while abstract classes provide partial implementation.
• Interfaces only define method signatures, while abstract classes can have both abstract and concrete methods.

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

• Interfaces are used for loose coupling and flexibility in design.

• Abstract classes are used for code reuse and to enforce a commo
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Q2. What are solid principles and explain them
Ans. 
SOLID principles are a set of five design principles for writing maintainable and scalable code.
• Single Responsibility Principle (SRP) - a class should have only one reason to change

• Open-Closed Principle (OCP) - a class should be open for extension but closed for modification

• Liskov Substitution Principle (LSP) - subtypes should be substitutable for their base types

• Interface Segregation Principle (ISP) - clients should n...read more
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Q3. What are extension methods
Ans. 
Extension methods are static methods that allow adding new functionality to existing types without modifying the original type.
• Extension methods are defined in a static class.

• They must be declared with the 'this' keyword before the first parameter.

• They can be called as if they were instance methods of the extended type.

• Extension methods can be used to add functionality to built-in types or custom types.

• Example: adding ...read more
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Q4. Does c# support multiple inheritence
Ans. 
No, C# does not support multiple inheritance.
• C# only supports single inheritance, where a class can inherit from only one base class.

• However, C# does support multiple interface inheritance, where a class can implement multiple interfaces.

• This is achieved using the 'interface' keyword instead of 'class'.
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Q5. How routing is done in mvc
Ans. 
Routing in MVC is done through the use of routes, which map URLs to controller actions.
• Routes are defined in the RouteConfig.cs file in the App_Start folder

• Routes consist of a URL pattern and a corresponding controller action

• Routes can also include optional parameters and constraints

• Routing is done through the use of the ASP.NET routing engine

• Routing can be customized by creating custom route handlers
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Q6. What are filters in mvc
Ans. 
Filters in MVC are used to intercept and modify HTTP requests and responses.
• Filters can be used to implement authentication and authorization.

• They can also be used for caching and logging.

• Examples of filters include AuthorizationFilter, ActionFilter, and ExceptionFilter.
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Q7. What is difference between virtual and override keywords
Ans. 
Virtual keyword is used to declare a method in a base class that can be overridden in a derived class. Override keyword is used in the derived class to override the implementation of the virtual method.
• Virtual keyword is used in the base class to declare a method that can be overridden in the derived class

• Override keyword is used in the derived class to override the implementation of the virtual method

• Virtual methods p...read more
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Q8. What are indexes in sql
Ans. 
Indexes in SQL are used to improve the performance of queries by allowing faster data retrieval.
• Indexes are created on one or more columns of a table.

• They work like a book index, allowing the database to quickly find the data.

• Indexes can be clustered or non-clustered.

• Clustered indexes determine the physical order of data in a table.

• Non-clustered indexes create a separate structure to store the index data.

• Indexes should...read more
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Q9. What is difference between stored procedure and function
Ans. 
Stored procedures are used to perform a set of actions, while functions return a single value.
• Stored procedures are precompiled and stored in the database, while functions are compiled at runtime.

• Functions can be used in SQL statements, while stored procedures cannot be used in SQL statements.

• Functions can be called from within stored procedures, but stored procedures cannot be called from within functions.
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Q10. Tell me about yourself
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Q11. What is dependency injection
Ans. 
Dependency injection is a design pattern used to remove hard-coded dependencies and make code more modular and testable.
• Dependency injection involves injecting dependencies into a class rather than having the class create them itself.

• This allows for easier testing and swapping out of dependencies.

• There are three types of dependency injection: constructor injection, setter injection, and interface injection.

• Examples of ...read more
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Q12. What is singleton design pattern
Ans. 
Singleton design pattern restricts the instantiation of a class to a single instance and provides a global point of access to it.
• Used when only one instance of a class is required throughout the system

• Provides a global point of access to the instance

• Implemented using a private constructor, static method, and static variable

• Example: Logger class in Java
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Q1. Tell me about yourself
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Q2. What are different projects that I have worked
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Q3. Did you face any challenges in your earlier projects
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Q4. What is your salary expectations
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Q5. Explain about dependency injection
Ans. 
Dependency injection is a design pattern that allows objects to receive dependencies from external sources rather than creating them internally.
• Dependency injection helps to decouple components and make them more reusable and testable.

• There are three types of dependency injection: constructor injection, setter injection, and interface injection.

• Example: Instead of creating a database connection object inside a class, w...read more
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Q6. What is a singleton design pattern
Ans. 
Singleton design pattern restricts the instantiation of a class to a single instance and provides a global point of access to it.
• Used when only one instance of a class is required throughout the system

• Provides a global point of access to the instance

• Implemented using a private constructor, static method, and static variable

• Example: Logger class, Database connection class
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Q1. Why should we hire you?
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Q2. Share details of your previous job.
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Q3. What are your salary expectations?
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Q4. Why are you looking for a change?
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Q5. Tell me about yourself.
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Q1. ATM related questions
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Q1. What are your salary expectations?
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Q2. What is your family background?
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Q3. Share details of your previous job.
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Q4. Why should we hire you?
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Q5. Tell me about yourself.
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Q1. Questions on oops concepts
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Q2. Program to find the second largest element from a 4-digit number, ex: input 1245 return 4
Ans. 
Program to find the second largest element from a 4-digit number
• Convert the number to a string and split it into an array of characters

• Sort the array in descending order

• Return the second element of the array
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Q3. Guess the output like questions from pointers
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Q1. Why did you like coding, what is your strengths and weakness
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Q1. Why are you looking for a change?
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Q2. Tell me about yourself.
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Q3. What are your salary expectations?
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Q4. Why should we hire you?
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Q5. Where do you see yourself in 5 years?
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