You're developing a multi-tenant application where each tenant has its own database. Which Entity Framework Core feature can help you manage multiple databases effectively?

  • Dynamic Connection Strings
  • DbContext Pooling
  • Database Sharding
  • Lazy Loading
DbContext Pooling in Entity Framework Core allows you to efficiently manage multiple database connections. In a multi-tenant application, you can use DbContext pooling to reuse and efficiently manage connections for each tenant's database, improving performance and resource utilization.

You're designing a form in your Razor view and want to leverage built-in tag helpers for form generation. Which directive should you ensure is present at the top of your view to use these tag helpers?

  • @addTagHelper
  • @model
  • @using
  • @inject
To use built-in tag helpers for form generation in an ASP.NET Core Razor view, you should ensure the presence of the @addTagHelper directive at the top of your view. This directive specifies which tag helpers should be available in the view and is typically configured in the _ViewImports.cshtml file for global usage.

You are adding a feature where administrators can create users from the admin dashboard. After creating a user, you want to send them an email to confirm their account. Which method would you use to generate the email confirmation token?

  • UserManager.GenerateEmailConfirmationTokenAsync()
  • UserManager.GeneratePasswordResetTokenAsync()
  • UserManager.ConfirmEmailAsync()
  • UserManager.GetUserIdAsync()
To generate an email confirmation token for a newly created user, you should use UserManager.GenerateEmailConfirmationTokenAsync(). This token can be sent to the user to confirm their email address.

For better user experience, AJAX can be employed in Razor forms to submit the form without a full _________ of the page.

  • Refresh
  • Reload
  • Redraw
  • Postback
AJAX (Asynchronous JavaScript and XML) can be employed in Razor forms to submit the form without a full Postback of the page. This technique allows you to send and receive data from the server without refreshing or reloading the entire web page, resulting in a smoother and more responsive user experience.

You're just starting with ASP.NET Core and Entity Framework. You've created your entity classes, but now you need a way to interact with the database. Which class should you create to manage this?

  • DbContext
  • DbSet
  • SqlConnection
  • EntityConnection
In Entity Framework Core, the DbContext class is responsible for managing database connections, tracking changes, and serving as the main entry point for interacting with the database. It provides a bridge between your entity classes and the underlying database, allowing you to perform operations like querying, inserting, updating, and deleting data.

For containerized ASP.NET Core applications aiming for microservice architectures, which tool integration in Visual Studio provides tools for building, running, and orchestrating Docker containers?

  • Docker Hub
  • Kubernetes
  • Azure Kubernetes Service
  • Docker Tools
Docker Tools in Visual Studio provide a comprehensive set of features for containerized ASP.NET Core applications. It allows developers to build, run, and orchestrate Docker containers right from within Visual Studio, making it a powerful tool for microservices development.

For cross-platform development in ASP.NET Core, what runtime should be targeted to ensure the application can run on different OS types?

  • .NET Framework
  • .NET Core
  • .NET Standard
  • .NET Runtime
To achieve cross-platform compatibility in ASP.NET Core, developers should target the .NET Core runtime. .NET Core is designed to be cross-platform and supports running applications on various operating systems, making it the preferred choice for cross-platform development.

To facilitate user registration in ASP.NET Core, the Identity framework offers a predefined _________ that contains methods for creating, deleting, and managing users.

  • UserManager
  • RoleManager
  • AppDbContext
  • Authentication
The Identity framework in ASP.NET Core provides the UserManager class, which contains methods for managing user accounts, including creating, deleting, and updating user information. It is a fundamental component for user registration and management in ASP.NET Core applications.

You're developing a web application and need to implement a feature where users can log in using their email or phone number. How can ASP.NET Core Identity support this requirement?

  • Custom Authentication Middleware
  • Custom Identity Provider
  • Built-in Support
  • Third-party Authentication Service
ASP.NET Core Identity provides built-in support for various user authentication methods, including email and phone number. Developers can easily configure Identity to enable these features and allow users to log in using either their email or phone number. This simplifies authentication implementation.

To define a named section within a Razor view that can be rendered in a specific place in the layout, you use the _______ directive.

  • @Section
  • @LayoutSection
  • @NamedSection
  • @RenderSection
To define a named section within a Razor view that can be rendered in a specific place in the layout, you use the "@Section" directive. You can specify a name for the section, and in the layout, you can use "@RenderSection" to render the content of that named section at a designated location.