AZ-204 Developing for Microsoft Azure Exam Prep - Cosmos Database (DB) To-do Application Code, Line by Line

The video tutorial guides viewers through using GitHub to access Azure samples, specifically focusing on a Cosmos DB application. It covers loading the application into Visual Studio, exploring its MVC structure, and understanding the roles of views, models, and controllers. The tutorial explains how to set up and initialize the Cosmos DB service, and demonstrates running and testing the application locally, highlighting CRUD operations. The video emphasizes the importance of understanding the MVC framework and Cosmos DB integration.

What is the first step in setting up the Cosmos DB application from GitHub?

• Use a different IDE

• Download the code files directly

• Clone the repository using Visual Studio

• Open the code in a web browser

In an MVC application, what does the 'V' stand for?

• Vector

• Version

• Variable

• View

What is the primary role of the controller in an MVC application?

• To display data to the user

• To handle user input and update the model

• To store application settings

• To manage the database

Which file contains the configuration for connecting to Cosmos DB?

• appsettings.json

• startup.cs

• program.cs

• config.xml

What is the purpose of the Cosmos DB service in the application?

• To handle CRUD operations with the database

• To compile the application

• To provide a user interface

• To manage application settings

What is required to create a new database and container in Cosmos DB?

• A third-party plugin

• A local server setup

• A specific programming language

• A valid account and key

What error might occur if the project is not opened correctly in Visual Studio?

• Syntax error

• Package error

• File not found error

• Network error

What is the purpose of running the application locally before deploying it to Azure?

• To improve performance

• To save on costs

• To test its functionality

• To avoid using Azure resources

What is the cost associated with using Cosmos DB as mentioned in the tutorial?

• $0.10 per hour

• $0.05 per hour

• $0.03 per hour

• $0.01 per hour

What is the final step to verify the integration with Cosmos DB?

• Check the application logs

• Refresh the data explorer in Cosmos DB

• Recompile the application

• Restart the local server