Dotnet with Angular Final Quiz

What is the purpose of the IDisposable interface in .NET?

• To handle exceptions
• To properly release unmanaged resources
• To create serializable objects
• To implement dependency injection

Which of the following is NOT a feature of LINQ in .NET?

• Query expressions
• Lambda expressions
• Method syntax
• Automatic garbage collection

In ASP.NET Core, what is middleware?

• A UI component library
• A software component that handles requests and responses
• A database connection manager
• A build tool for web applications

What is the primary purpose of dependency injection in .NET?

• To handle exceptions more efficiently
• To optimize memory usage
• To reduce coupling between classes
• To increase application speed

Which statement about .NET assemblies is correct?

• They can only contain one module
• They are always stored as .dll files
• They can include multiple modules and resources
• They cannot be versioned

What is the role of the async and await keywords in .NET?

• They enable multi-threading
• They simplify asynchronous programming
• They optimize CPU usage
• They enable cross-platform compatibility

Which collection in .NET implements a last-in-first-out (LIFO) data structure?

• Queue<T>
• List<T>
• Dictionary<TKey, TValue>
• Stack<T>

What is the purpose of the IEnumerable<T> interface in .NET?

• To enable LINQ queries
• To implement custom collections
• To allow iteration over a collection
• To support serialization

In Entity Framework Core, what is a DbContext?

• A connection string to the database
• A class that represents a session with the database
• A tool for database migrations
• A utility for data encryption

What does the sealed keyword do when applied to a class in C#?

• Makes the class thread-safe
• Prevents the class from being instantiated
• Prevents the class from being inherited
• Makes the class serializable