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Microsoft AZ-201 問題練習

Microsoft Azure Developer Advanced Solutions 試験

最新更新時間: 2020/11/19,合計27問。

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Question No : 1
Call the DocumentsIndex method of the SearchlndexClient and pass the IndexBatch.
Does the solution meet the goal?

正解:

Question No : 2
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 use ASP.NET Core MVC with ADO.NET to develop an application. You implement database sharding for the application by using Azure SQL Database. You establish communication links between the shard databases.
You need to implement a strategy that allows a group of operations that are performed on multiple Azure databases to be rolled back on all databases if any of the operations fail.
Solution:
• In the .NET method, define a new transaction in a using block.
• Within the using block, establish connections to each Azure SQL Database instance.
• Run the SQL operations on each connection. If no exception occurs, commit the transaction.
Does the solution meet the goal?

正解:

Question No : 3
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 use ASP.NET Core MVC with ADO.NET to develop an application. You implement database sharding for the application by using Azure SQL Database. You establish communication links between the shard databases.
You need to implement a strategy that allows a group of operations that are performed on multiple Azure databases to be rolled back on all databases if any of the operations fail.
Solution:
• Deploy a SQL database instance in an Azure Virtual Machine (VM).
• Establish linked servers to each Azure SQL Database instance from the SQL Server instance in the VM.
• Create a stored procedure in the VM that performs the update operations using a distributed transaction and commits them if successful.
• Run the SQL stored procedure on the SQL Server instance in the VM.
Does the solution meet the goal?

正解:

Question No : 4
Topic 3, Mix Questions

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 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 use ASP.NET Core MVC with ADO.NET to develop an application. You implement database sharding for the application by using Azure SQL Database. You establish communication to implement a strategy that allows a group of operations that are performed on multiple Azure databases to be rolled back on all database if any of the operations fail.
Solution
• Create stored procedures in each Azure SQL database instance to perform operations for each respective database.
• Invoke a named transaction and use the same name for the transaction in each stored procedure.
• Establish a new transaction scope in a using block. Within the block, establish connections to each Azure SQL Database instance and run the stored procedure.
• If no exception occurs, commit the scoped transaction.
Does the solution meet the goal?

正解:

Question No : 5
You need to resolve a notification latency issue.
Which two actions should you perform? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point

正解:
Explanation:
Azure Functions can run on either a Consumption Plan or a dedicated App Service Plan. If you run in a dedicated mode, you need to turn on the Always On setting for your Function App to run properly. The Function runtime will go idle after a few minutes of inactivity, so only HTTP triggers will actually "wake up" your functions. This is similar to how WebJobs must have Always On enabled.
Scenario: Notification latency: Users report that anomaly detection emails can sometimes arrive several minutes after an anomaly is detected.
Anomaly detection service: You have an anomaly detection service that analyzes log information for anomalies. It is implemented as an Azure Machine Learning model. The model is deployed as a web service.
If an anomaly is detected, an Azure Function that emails administrators is called by using an HTTP WebHook.
References:
https://github.com/Azure/Azure-Functions/wiki/Enable-Always-On-when-running-on-dedicated-App-Service-Plan

Question No : 6
DRAG DROP
You need to implement the Log policy.
How should you complete the Azure Event Grid subscription? To answer, drag the appropriate JSON segments to the correct locations. Each (SON segment 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:WebHook
Scenario: If an anomaly is detected, an Azure Function that emails administrators is called by using an HTTP WebHook.
endpointType: The type of endpoint for the subscription (webhook/HTTP, Event Hub, or queue).
Box 2: SubjectBeginsWith
Box 3: Microsoft.Storage.BlobCreated
Scenario: Log Policy
All Azure App Service Web Apps must write logs to Azure Blob storage. All log files should be saved to a container named logdrop. Logs must remain in the container for 15 days.
Example subscription schema
{
"properties": {
"destination": {
"endpointType": "webhook",
"properties": {
"endpointUrl": "https://example.azurewebsites.net/api/HttpTriggerCSharp1?code=VXbGWce53l48Mt8wuotr0GPmyJ/nDT4hgdFj9DpBiRt38qqnnm5OFg=="
}
},
"filter": {
"includedEventTypes": [ "Microsoft.Storage.BlobCreated", "Microsoft.Storage.BlobDeleted" ],
"subjectBeginsWith": "blobServices/default/containers/mycontainer/log",
"subjectEndsWith": ".jpg",
"isSubjectCaseSensitive ": "true"
}
}
}
References:
https://docs.microsoft.com/en-us/azure/event-grid/subscription-creation-schema

Question No : 7
You need to resolve the Policy Loss issue.
What are two possible ways to achieve the goal? Each correct answer presents a complete solution.
NOTE: Each correct selection is worth one point.

正解:

Question No : 8
DRAG DROP
You need to add code at line EG15 in EventGridController.cs to ensure that the Log policy applies to all services.
How should you complete the code? To answer, drag the appropriate code segments to the correct locations. Each code segment 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: Status
Box 2: Succeded
Box 3: operationName
Scenario: Policy service
You develop and deploy a stateful ASP.NET Core 2.1 web application named Policy service to an Azure App Service Web App. The application reacts to events from Azure Event Grid and performs policy actions based on those events.
The application must include the Event Grid Event ID field in all Application Insights telemetry.

Question No : 9
HOTSPOT
You need to tool code at line LE03 of Login Event to ensure that all authentication events are processed correctly.
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:

Question No : 10
You need to meet the scaling requirement for Policy Service.
What should you store in Azure Redis Cache?

正解:

Question No : 11
You need to ensure that the solution can meet the scaling requirements for Policy Service.
Which Azure Application Insights data model should you use?

正解:

Question No : 12
DRAG DROP
You need to ensure that PolicyLib requirements are met.
How should you complete the code segment? To answer, drag the appropriate code segments to the correct locations. Each code segment 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:

Question No : 13
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique Determine whether the solution meets the stated goals.
You need to ensure that authentication events are triggered and processed according to the policy.
Solution: Create separate Azure Event Grid topics and subscriptions for sign-in and sign-out events.
Does the solution meet the goal?

正解:

Question No : 14
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique Determine whether the solution meets the stated goals.
You need to ensure that authentication events are triggered and processed according to the policy.
Solution: Create a new Azure Event Grid topic and add a subscription for the events.
Does the solution meet the goal?

正解:
Explanation:
Use a separate Azure Event Grid topics and subscriptions for sign-in and sign-out events.
Scenario: Authentication events are used to monitor users signing in and signing out. All authentication events must be processed by Policy service. Sign outs must be processed as quickly as possible.

Question No : 15
Topic 2, Case Study B
Background
You are developer for Prose ware, Inc. You are developing an application that applies a set of governance policies for Prosware’s internal services, external services, and applications. The application will also provide a shared library for common functionality.
Requirements
You are a developer for Proseware, Inc. You are developing an application that applies a set of governance policies for Proseware’s services, and applications. I he application will also provide a shared library for common functionality.
Policy service
You develop and deploy a stateful ASP.NET Core 2.1 web application named Policy service to an Azure App Service Web App. The application reacts to events from Azure Event Grid and performs policy actions based on those events.
The application must include the Event Grid Event ID field in all Application Insights telemetry.
Policy service must use Application Insights to automatically scale with the number of policy actions that it is performing.
Policies
Log policy
All Azure App Service Web Apps must write togs to Azure Blob storage. Al log files should be saved to a named log drop. Logs must remains in the container for 15 days.
Authentication events
Authentication events are used to monitor users signing in and signing out. All authentication events must be processed by Policy service. Sign outs must be processed as quickly as possible.
PolicyLib
You have a shared library named PolicyLib that contains functionality common to all ASP.NET Core web services and applications. The PolicyLib library must:
• Exclude non-user actions from Application Insights telemetry.
• Provide methods that allow a web service to scale itself.
• Ensure that scaling actions do not disrupt application usage.
Other
Anomaly detection service
You have an anomaly detection service that analyzes log information for anomalies. It is implemented as an Azure Machine Learning model. The model is deployed as a web service.
If an anomaly is detected, an Azure Function that emails administrators is called by using an HTTP WebHook.
Health monitoring
All web applications and services have health monitoring at the /health service endpoint.
Issues
Policy loss
When you deploy Policy service, policies may not be applied if they were in the process of being applied during the deployment.
Performance issue
When under heavy load, the anomaly detection service undergoes slowdowns and rejects connections.
Notification latency
Users report that anomaly detection emails can sometimes arrive several minutes after an anomaly is detected.
App code
EnventGridController.cs
Relevant portions of the app files are shown below. Line numbers are included for reference only and include a two-character prefix that denotes the specific file to which they belong.






LoginEvents.cs
Relevant portions of the app files are shown below. Line numbers are included for reference only and include a two-character prefix that denotes the specific file to which they belong.




Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution. Determine whether the solution meets the stated goals.
You need to ensure that authentication events are triggered and processed according to the policy.
Solution: Ensure that sign out events have a subject prefix. Create an Azure Event Grid subscription that uses the subject Begins With filter.
Does the solution meet the goal?

正解:

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