ASP.NET Core hosting models MCQs
What are the two main hosting models available in ASP.NET Core?
a. In-Process and Out-of-Process
b. Single-Page and Multi-Page
c. Cloud and On-Premises
d. Docker and VM
Answer: a. In-Process and Out-of-Process
In which hosting model does the ASP.NET Core application run within the same process as the Kestrel web server?
a. In-Process
b. Out-of-Process
c. Cloud-Based
d. Standalone
Answer: a. In-Process
What is the primary advantage of the In-Process hosting model?
a. Lower latency and reduced overhead as the application and server run in the same process
b. Better support for cross-platform deployments
c. Easier to scale horizontally
d. Enhanced security features
Answer: a. Lower latency and reduced overhead as the application and server run in the same process
What is the primary disadvantage of the Out-of-Process hosting model?
a. Higher latency due to process boundaries between the application and the web server
b. Limited cross-platform support
c. Difficulty in scaling horizontally
d. Increased memory usage
Answer: a. Higher latency due to process boundaries between the application and the web server
Which hosting model uses IIS as a reverse proxy server in ASP.NET Core?
a. Out-of-Process
b. In-Process
c. Docker-Based
d. Self-Hosted
Answer: a. Out-of-Process
When using the In-Process hosting model, which server is used by default?
a. Kestrel
b. IIS
c. Nginx
d. Apache
Answer: a. Kestrel
What is the role of Kestrel in the Out-of-Process hosting model?
a. Acts as the web server that processes requests before passing them to IIS
b. Acts as the reverse proxy server
c. Provides load balancing features
d. Manages application deployment
Answer: a. Acts as the web server that processes requests before passing them to IIS
In which hosting model does IIS manage the application pool and process?
a. Out-of-Process
b. In-Process
c. Cloud-Based
d. Standalone
Answer: a. Out-of-Process
What is the default hosting model when deploying an ASP.NET Core application to IIS?
a. Out-of-Process
b. In-Process
c. Docker-Based
d. Self-Hosted
Answer: a. Out-of-Process
How does the Kestrel server interact with IIS in the Out-of-Process hosting model?
a. Kestrel handles HTTP requests and forwards them to IIS
b. IIS handles HTTP requests and forwards them to Kestrel
c. Kestrel and IIS work independently without interaction
d. Kestrel and IIS handle requests equally
Answer: b. IIS handles HTTP requests and forwards them to Kestrel
Which hosting model should be used if you want to leverage IIS’s advanced features like load balancing and authentication?
a. Out-of-Process
b. In-Process
c. Cloud-Based
d. Docker-Based
Answer: a. Out-of-Process
In which hosting model does the ASP.NET Core application run directly within the IIS worker process?
a. In-Process
b. Out-of-Process
c. Docker-Based
d. Self-Hosted
Answer: a. In-Process
Which hosting model is preferred for better performance with fewer overheads?
a. In-Process
b. Out-of-Process
c. Cloud-Based
d. Docker-Based
Answer: a. In-Process
What is a key benefit of the Out-of-Process hosting model in terms of application isolation?
a. Application isolation is improved as the application runs in a separate process from IIS
b. The application has direct access to the IIS process
c. No isolation is provided between application and server
d. The application runs with higher privileges
Answer: a. Application isolation is improved as the application runs in a separate process from IIS
What configuration file is used to specify the hosting model for an ASP.NET Core application when deploying to IIS?
a. web.config
b. appsettings.json
c. Startup.cs
d. Program.cs
Answer: a. web.config
Which hosting model is typically recommended for containerized ASP.NET Core applications?
a. In-Process
b. Out-of-Process
c. Docker-Based
d. Self-Hosted
Answer: c. Docker-Based
How does the ASP.NET Core application interact with IIS in the Out-of-Process hosting model?
a. IIS acts as a reverse proxy, forwarding requests to the Kestrel server
b. IIS runs the application directly within its own process
c. Kestrel runs the application within the IIS worker process
d. The application runs independently of IIS
Answer: a. IIS acts as a reverse proxy, forwarding requests to the Kestrel server
What hosting model allows an ASP.NET Core application to run on Linux or macOS environments?
a. Out-of-Process
b. In-Process
c. Docker-Based
d. Self-Hosted
Answer: a. Out-of-Process
When deploying an ASP.NET Core application to Azure App Service, which hosting model is used?
a. Out-of-Process
b. In-Process
c. Docker-Based
d. Self-Hosted
Answer: b. In-Process
What is the primary reason to use the Docker-Based hosting model for an ASP.NET Core application?
a. To provide containerization and isolation of the application environment
b. To leverage IIS for advanced features
c. To improve performance by running in-process
d. To simplify deployment with minimal configuration
Answer: a. To provide containerization and isolation of the application environment
In the In-Process hosting model, what is the role of the ASP.NET Core Module (ANCM) in IIS?
a. To manage the hosting of the ASP.NET Core application within the IIS worker process
b. To act as a reverse proxy for forwarding requests to Kestrel
c. To handle containerization and deployment of the application
d. To configure middleware components
Answer: a. To manage the hosting of the ASP.NET Core application within the IIS worker process
Which hosting model is often chosen for applications that require high scalability and fault tolerance?
a. Out-of-Process
b. In-Process
c. Docker-Based
d. Self-Hosted
Answer: c. Docker-Based
What is the default port used by Kestrel when running an ASP.NET Core application in development?
a. 5000
b. 80
c. 443
d. 8080
Answer: a. 5000
How can you configure the Kestrel server when using the Out-of-Process hosting model?
a. By modifying the Kestrel configuration in the Startup class or appsettings.json
b. By configuring IIS settings in web.config
c. By using Docker configuration files
d. By defining settings in the application’s launch profile
Answer: a. By modifying the Kestrel configuration in the Startup class or appsettings.json
Which ASP.NET Core hosting model is best suited for applications that need to leverage advanced IIS features such as integrated Windows authentication?
a. Out-of-Process
b. In-Process
c. Docker-Based
d. Self-Hosted
Answer: a. Out-of-Process
What is the key advantage of the In-Process hosting model in terms of resource utilization?
a. Lower memory usage and reduced overhead by sharing the process with IIS
b. Improved scalability and fault tolerance
c. Enhanced security by running in a separate process
d. Simplified deployment in a containerized environment
Answer: a. Lower memory usage and reduced overhead by sharing the process with IIS
When using Docker-based hosting, how is the ASP.NET Core application deployed?
a. Inside a Docker container with all dependencies bundled
b. Directly on a physical server
c. Within a virtual machine managed by IIS
d. Using traditional deployment methods such as FTP
Answer: a. Inside a Docker container with all dependencies bundled
Which configuration file is used to set up reverse proxy settings for the Out-of-Process hosting model?
a. web.config
b. appsettings.json
c. Dockerfile
d. Startup.cs
Answer: a. web.config
What is the primary advantage of using the Out-of-Process hosting model in a cloud environment?
a. Better isolation and management of the application process
b. Lower cost of cloud resources
c. Simpler deployment and configuration
d. Direct access to cloud services
Answer: a. Better isolation and management of the application process
How does the In-Process hosting model affect application startup time?
a. It may result in faster startup times due to the lack of inter-process communication
b. It generally has slower startup times due to process switching
c. It does not affect startup time significantly
d. It improves startup time by pre-loading dependencies
Answer: a. It may result in faster startup times due to the lack of inter-process communication
Which hosting model is most suitable for applications with high performance and low latency requirements?
a. In-Process
b. Out-of-Process
c. Docker-Based
d. Self-Hosted
Answer: a. In-Process
How does the Docker-Based hosting model support microservices architecture?
a. By containerizing individual microservices for isolation and scalability
b. By using IIS to manage multiple services
c. By running all microservices in a single process
d. By simplifying the configuration of IIS for multiple services
Answer: a. By containerizing individual microservices for isolation and scalability
In the context of ASP.NET Core, what is the purpose of the IWebHostBuilder interface?
a. To configure and build the web host for the application
b. To manage service registrations and dependency injection
c. To handle middleware components
d. To configure the application’s startup process
Answer: a. To configure and build the web host for the application
Which hosting model allows for the use of multiple versions of an application in a single environment?
a. Docker-Based
b. In-Process
c. Out-of-Process
d. Self-Hosted
Answer: a. Docker-Based
How does the Out-of-Process hosting model handle application crashes?
a. The application can be automatically restarted by IIS or the hosting environment
b. The application needs to be manually restarted by administrators
c. The application crashes cause downtime until fixed
d. The application is isolated, so crashes do not affect other services
Answer: a. The application can be automatically restarted by IIS or the hosting environment
Which hosting model offers the greatest flexibility in terms of deployment environments?
a. Docker-Based
b. In-Process
c. Out-of-Process
d. Self-Hosted
Answer: a. Docker-Based
What is the role of the IApplicationBuilder interface in ASP.NET Core?
a. To configure the middleware pipeline for the application
b. To build the web host for the application
c. To manage the service provider
d. To configure the application’s dependencies
Answer: a. To configure the middleware pipeline for the application
Which hosting model is best suited for applications that require integration with legacy systems running on Windows servers?
a. In-Process
b. Out-of-Process
c. Docker-Based
d. Self-Hosted
Answer: b. Out-of-Process
How does the In-Process hosting model affect debugging and diagnostics?
a. It provides easier debugging due to the application running within the same process as IIS
b. It complicates debugging due to process boundaries
c. It does not affect debugging significantly
d. It requires additional tools for diagnostics
Answer: a. It provides easier debugging due to the application running within the same process as IIS
What feature does the Docker-Based hosting model provide for managing application dependencies?
a. All dependencies are included within the Docker container
b. Dependencies are managed by the host operating system
c. Dependencies must be manually installed on each server
d. Dependencies are shared between containers
Answer: a. All dependencies are included within the Docker container
What is a common scenario for using the Self-Hosted model in ASP.NET Core applications?
a. When running an application as a console app or Windows service
b. When deploying to IIS or other web servers
c. When using Docker containers
d. When integrating with cloud services
Answer: a. When running an application as a console app or Windows service
Which hosting model allows you to leverage the full capabilities of IIS and its advanced features?
a. Out-of-Process
b. In-Process
c. Docker-Based
d. Self-Hosted
Answer: a. Out-of-Process
How does the In-Process hosting model impact the deployment of ASP.NET Core applications?
a. It simplifies deployment by running within the IIS process
b. It complicates deployment due to process separation
c. It has no impact on deployment procedures
d. It requires additional configuration for IIS
Answer: a. It simplifies deployment by running within the IIS process
In the Out-of-Process hosting model, what role does the aspNetCore element in the web.config file play?
a. It specifies the ASP.NET Core Module (ANCM) configuration and settings
b. It defines the application’s routing configuration
c. It handles middleware configuration
d. It sets up dependency injection
Answer: a. It specifies the ASP.NET Core Module (ANCM) configuration and settings
What is a major benefit of using the Docker-Based hosting model for development and testing?
a. Consistent and repeatable environments across different stages of development
b. Simplified interaction with legacy systems
c. Direct access to IIS features
d. Integration with traditional deployment methods
Answer: a. Consistent and repeatable environments across different stages of development