AZ-204 無料問題集「Microsoft Developing Solutions for Microsoft Azure」
You develop a gateway solution for a public facing news API.
The news API back end is implemented as a RESTful service and hosted in an Azure App Service instance.
You need to configure back-end authentication for the API Management service instance.
Which target and gateway credential type should you use? To answer, drag the appropriate values to the correct parameters. Each value may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.
NOTE: Each correct selection is worth one point.
The news API back end is implemented as a RESTful service and hosted in an Azure App Service instance.
You need to configure back-end authentication for the API Management service instance.
Which target and gateway credential type should you use? To answer, drag the appropriate values to the correct parameters. Each value may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.
NOTE: Each correct selection is worth one point.
正解：
Explanation:
Box 1: Azure Resource
Box 2: Client cert
API Management allows to secure access to the back-end service of an API using client certificates.
Reference:
https://docs.microsoft.com/en-us/rest/api/apimanagement/apimanagementrest/azure-api-management-rest-api- backend-entity
You are developing an application to store millions of images in Azure blob storage. The images are uploaded to an Azure blob storage container named companyimages contained in an Azure blob storage account named companymedia. The stored images are uploaded with multiple blob index tags across multiple blobs in the container.
You must find all blobs whose tags match a search expression in the container. The search expression must evaluate an index tag named status with a value of final.
You need to construct the GET method request URL
How should you complete the URI? To answer, drag the appropriate parameters to the correct request URI targets. Each parameter may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.
You must find all blobs whose tags match a search expression in the container. The search expression must evaluate an index tag named status with a value of final.
You need to construct the GET method request URL
How should you complete the URI? To answer, drag the appropriate parameters to the correct request URI targets. Each parameter may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.
正解：
Explanation:
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.
You deploy an Azure Container Apps app and disable ingress on the container app.
Users report that they are unable to access the container app. You investigate and observe that the app has scaled to 0 instances.
You need to resolve the issue with the container app.
Solution: Enable ingress, create a TCP scale rule, and apply the rule to the container app.
Does the solution meet the goal?
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.
You deploy an Azure Container Apps app and disable ingress on the container app.
Users report that they are unable to access the container app. You investigate and observe that the app has scaled to 0 instances.
You need to resolve the issue with the container app.
Solution: Enable ingress, create a TCP scale rule, and apply the rule to the container app.
Does the solution meet the goal?
正解：B
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You need to update the APIs to resolve the testing error.
How should you complete the Azure CLI command? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
How should you complete the Azure CLI command? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
正解：
Explanation:
Enable Cross-Origin Resource Sharing (CORS) on your Azure App Service Web App.
Enter the full URL of the site you want to allow to access your WEB API or * to allow all domains.
Box 1: cors
Box 2: add
Box 3: allowed-origins
Box
4: http://testwideworldimporters.com/
References:
http://donovanbrown.com/post/How-to-clear-No-Access-Control-Allow-Origin-header-error-with-Azure-App- Service
You need to resolve the authentication errors for developers.
Which Service Bus security configuration should you use? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Which Service Bus security configuration should you use? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
正解：
Explanation:
Topic 9, Fourth Coffee
Background
Current Environment
Fourth Coffee is a global coffeehouse chain and coffee company recognized as one of the world's most influential coffee brands. The company is renowned for its specialty coffee beverages, including a wide range of espresso-based dnnks, teas, and other beverages. Fourth Coffee operates thousands of stores worldwide.
The company is developing cloud-native applications hosted in Azure.
Corporate website
The
company hosts a public website located at http://www.fourthcoffee.com/. The website is used to place orders as well as view and update inventory items.
Inventory items
In addition to its core coffee offerings, Fourth Coffee recently expanded its menu to include inventory items such as lunch items, snacks, and merchandise. Corporate team members constantly update inventory. Users can customize items. Corporate team members configure inventory items and associated images on the website.
Orders
Associates in the store serve customized beverages and items to customers. Orders are placed on the website for pickup.
The application components process data as follows:
1. Azure Traffic Manager routes a user order request to the corporate website hosted in Azure App Service.
2. Azure Content Delivery Network serves static images and content to the user.
3. The user signs in to the application through a Microsoft Entra ID for customers tenant.
4. Users search for items and place an order on the website as item images are pulled from Azure Blob Storage
5. Item customizations are placed in an Azure Service Bus queue message.
6. Azure Functions processes item customizations and saves the customized items to Azure Cosmos DB.
7. The website saves order details to Azure SQL Database.
8. SQL Database query results are cached in Azure Cache for Redis to improve performance.
The application consists of the following Azure services:
Requirements
The application components must meet the following requirements:
* Azure Cosmos DB development must use a native API that receives the latest updates and stores data in a document format.
* Costs must be minimized for all Azure services.
* Developers must test Azure Blob Storage integrations locally before deployment to Azure Testing must support the latest versions of the Azure Storage APIs.
Corporate website
* User authentication and authorization must allow one-time passcode sign-in methods and social identity providers (Google or Facebook).
* Static web content must be stored closest to end users to reduce network latency.
Inventory items
* Customized items read from Azure Cosmos DB must maximize throughput while ensuring data is accurate for the current user on the website.
* Processing of inventory item updates must automatically scale and enable updates across an entire Azure Cosmos DB container.
* Inventory items must be processed in the order they were placed in the queue.
* Inventory item images must be stored as JPEG files in their native format to include exchangeable image file format (data) stored with the blob data upon upload of the image file.
* The Inventory Items API must securely access the Azure Cosmos DB data.
Orders
* Orders must receive inventory item changes automatically after inventory items are updated or saved.
Issues
* Developers are storing the Azure Cosmos DB credentials in an insecure clear text manner within the Inventory Items API code.
* Production Azure Cache for Redis maintenance has negatively affected application performance.
You are developing an application that includes two Docker containers.
The application must meet the following requirements
* The containers must not run as root.
* The containers must be deployed to Azure Container Instances by using a YAML file.
* The containers must share a lifecycle, resources, local network and storage volume.
* The storage volume must persist through container crashes.
* The storage volume must be destroyed on stop or restart of the containers.
You need to configure Azure Container Instances for the application.
The application must meet the following requirements
* The containers must not run as root.
* The containers must be deployed to Azure Container Instances by using a YAML file.
* The containers must share a lifecycle, resources, local network and storage volume.
* The storage volume must persist through container crashes.
* The storage volume must be destroyed on stop or restart of the containers.
You need to configure Azure Container Instances for the application.
正解：
Explanation:
You need to implement a function by using Azure Functions to process customized items.
How should you implement the function? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
How should you implement the function? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
正解：
Explanation:
A company is developing a gaming platform. Users can join teams to play online and see leaderboards that include player statistics. The solution includes an entity named Team.
You plan to implement an Azure Redis Cache instance to improve the efficiency of data operations for entities that rarely change.
You need to invalidate the cache when team data is changed.
How should you complete the code? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
You plan to implement an Azure Redis Cache instance to improve the efficiency of data operations for entities that rarely change.
You need to invalidate the cache when team data is changed.
How should you complete the code? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
正解：
Explanation:
Box 1: IDatabase cache = connection.GetDatabase();
Connection refers to a previously configured ConnectionMultiplexer.
Box 2: cache.StringSet("teams",")
To specify the expiration of an item in the cache, use the TimeSpan parameter of StringSet.
cache.StringSet("key1", "value1", TimeSpan.FromMinutes(90));
References:
https://azure.microsoft.com/sv-se/blog/lap-around-azure-redis-cache-preview/
You are developing an Azure Functions app named App1. You also plan to use cross-origin requests (CORS).
You have the following requirements:
* App1 functions must securely access an Azure Blob Storage account.
* Access to the Azure Blob Storage account must not require the provisioning or rotation of secrets.
* JavaScript code running in a browser on an external host must not be allowed to interact with the function.
You need to implement App1.
Which configuration should you use? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
You have the following requirements:
* App1 functions must securely access an Azure Blob Storage account.
* Access to the Azure Blob Storage account must not require the provisioning or rotation of secrets.
* JavaScript code running in a browser on an external host must not be allowed to interact with the function.
You need to implement App1.
Which configuration should you use? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
正解：
Explanation:
You are developing an application that uses Azure Storage to store customer data. The data must only be decrypted by the customer and the customer must be provided a script to rotate keys.
You need to provide a script to rotate keys to the customer.
How should you complete the command? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
You need to provide a script to rotate keys to the customer.
How should you complete the command? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
正解：
You are developing a web application that uses the Microsoft identify platform for user and resource authentication. The web application calls several REST APIs.
You are implementing various authentication and authorization flows for the web application.
You need to validate the claims in the authentication token.
Which token type should use? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
You are implementing various authentication and authorization flows for the web application.
You need to validate the claims in the authentication token.
Which token type should use? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
正解：
Explanation:
You manage an Azure subscription that contains 100 Azure App Service web apps. Each web app is associated with art individual Application Insights instance.
You plan to remove Classic availability tests from all Application Insights instances that have this functionality configured.
You have the following PowerShell statement:
Get-AzApplicationlnsifihtsrtebTest | Where-Object {$condition}
You need to set the value of the Scondition variable.
Which value should you use?
You plan to remove Classic availability tests from all Application Insights instances that have this functionality configured.
You have the following PowerShell statement:
Get-AzApplicationlnsifihtsrtebTest | Where-Object {$condition}
You need to set the value of the Scondition variable.
Which value should you use?
正解：D
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