MNYF BE Quiz 1

Which dependency injection framework is used by default in ASP.NET Core?

• Autofac

• Ninject

• Castle Windsor

• Microsoft.Extensions.DependencyInjection

What is the best way to improve the performance of N+1 queries?

• Using include() method

• Using projection

• Using explicit joins

• Using AsNoTracking()

What is the difference between tracking and non-tracking queries in EF Core?

• Tracking queries are faster than non-tracking queries.

• Non-Tracking queries are used for read-only operations.

• Non-tracking queries are used for update and delete operations.

• All of the above

What are the benefits of using DbContext pooling?

• Improved scalability

• Increased application performance

• Reduced database connection overhead

• All of the above

How can you optimize entity framework migrations?

• By using the Snapshot Migration strategy

• By using the Scripting Migration strategy

• By using the IgnoreChanges method

• By using the EnsureCreated method

What are some best practices for improving the performance of EF Core applications?

• Use appropriate data types

• Minimize unnecessary queries

• Utilize caching mechanisms

• All of the above

1. What is the main principle behind clean code?

• 1. Readability

• 1. Efficiency

• 1. Reusability

• 1. Maintainability

What is the DRY principle?

• Duplicate Regularly Yet

• Develop Redundant Yield

• Don't Repeat Yourself

• Design Repeatedly Yet

What is the purpose of the Open/Closed principle?

• To prevent code duplication

• To open files for reading and writing

• extend Entity without modifying its source code

• To create open source software

What is the Interface Segregation principle?

• Interfaces should be small and specific

• Classes should implement multiple interfaces

• Interfaces should be abstract

• Interfaces should be implemented by concrete classes