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070-487 PDF DEMO:
QUESTION NO: 1
You are maintaining a ASP.NET Core web application that uses Entity Framework Core for data access. The
application contains a model class named Student.
You must add a field named FirstName to the class. The field has following requirements:
* Use a non-nullable field named FName to store data in a Microsoft SQL Server database.
* The data length must be between 2 and 50 characters.
The application user interface must display an error message if the maximum or minimum length requirements
are not met.
You need to implement the FirstName field.
How should you complete the code? To answer, select the appropriate code segments to use in the answer
area.
NOTE: Each correct selection is worth one point.
Answer:
Explanation
References:
https://docs.microsoft.com/en-us/aspnet/core/tutorials/first-mvc-app/validation?view=aspnetcore-
2.2
QUESTION NO: 2
You are developing a web application by using Microsoft ASP.NET MVC.
The application manages company employees and managers.
Each employee is assigned to a manager.
You need to write a LINQ query to retrieve the list of managers and their respective employees.
How should you complete the code? To answer, drag the appropriate keywords to the correct targets. Each
keyword 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.
Answer:
Explanation
References:
https://docs.microsoft.com/en-us/dotnet/csharp/programming-guide/concepts/linq/basic-linq- query-operations
QUESTION NO: 3
You are creating a streamed Windows Communication Foundation (WCF) service.
You implement the following service methods.
For each of the following statements, select Yes if the statement is true. Otherwise, select No.
Answer:
Explanation
To enable streaming, define the OperationContract appropriately and enable streaming at the transport level.
To stream data, the OperationContract for the service must satisfy two requirements:
References: https://docs.microsoft.com/en-us/dotnet/framework/wcf/feature-details/how-to- enable-streaming
QUESTION NO: 4
You have a web application that was developed by using Microsoft ASP.NET MVC. The application is
deployed to an Azure web app and uses an Azure SQL Database.
From a development environment, you use Microsoft Visual Studio to change the application code, and you
modify the schema of the database.
You need to deploy the changes to Azure.
Which publishing method should you use?
A. Msdeploy
B. Robocopy
C. BACPAC
D. FTP
Answer: C
Explanation
You can deploy a .bacpac file to an Azure SQL Database using an Azure Resource Manager Template.
.bacpac contains the schema and data necessary to deploy your database.
Note: A BACPAC file is a ZIP file with an extension of BACPAC containing the metadata and data from a
SQL Server database. A BACPAC file can be stored in Azure blob storage or in local storage in an on-premises location and later imported back into Azure SQL Database or into a SQL Server on- premises
installation.
References: https://docs.microsoft.com/en-us/azure/sql-database/sql-database-export
QUESTION NO: 5
You need to regenerate the service proxies to include task-based asynchronous method signatures.
Which command should you use?
A. aspnet_regiis.exe
/t:code http://localhost:62965/UploadCallbackService.svc
B. aspnet_regiis.exe
/t:code http://localhost:62965/UploadService.svc
C. svcutil.exe
/t:code http://localhost:62965/UploadCallbackService.svc
D. svcutil.exe
/t:code http://localhost:62965/UploadService.svc
E. aspnet_compiler.exe
/t:code http://localhost:62965/UploadCallbackService.svc
Answer: C
Explanation
http://msdn.microsoft.com/en-us/library/aa347733.aspx
===================================================
Topic1, ASP.NET MVC
Background
You are developing an ASP.NET MVC application in Visual Studio 2012 that will be used to process orders.
Business Requirements
The application contains the following three pages:
* A page that queries an external database for orders that are ready to be processed. The user can then
process the order.
* A page to view processed orders.
* A page to view vendor information.
The application consumes three WCF services to retrieve external data.
Technical Requirements
Visual Studio Solution:
The solution contains the following four projects.
* ExternalQueue: A WCF service project used to communicate with the external order database.
* OrderProcessor: An ASP.NET MVC project used for order processing and logging order metadata.
* OrderUpload: A WCF service project used to submit order data to an external data source.
* Shipping: A WCF service project used to acquire shipping information.
ExternalQueue Project:
Entity Framework is used for data access. The entities are defined in the ExternalOrders.edmx file as shown in
the following diagram.
The project contains two services defined in the following files.
* IExternalQueueService.es
* ExternalQueueService.svc.
The ExternalQueue.Helpers namespace contains a definition for a class named OrderNotFound
Exception.
OrderProcessor Project:
Entity Framework is used for data access. The entities are defined in the ProcessedOrders.edmx file as shown
in the following diagram.
The classes are contained in the OrderProcessor.Entities namespace. The project contains the following two
controllers.
* InboundQueueController.es
* ProcessedOrderController.es
WCF service proxies to the ExternalQueue, Shipping and OrderUpload services have been generated by using
the command prompt. The ExecuteCommandProcedure() method in the ExternalQueueService.svc file must
run asynchronously.
The ProcessedOrderController controller has the following requirements.
The GetVendorPolicy() method must enforce a 10 minute absolute cache expiration policy.
The GetProcessedOrders() method must return a view of the 10 most recently processed orders.
OrderUpload Project:
The project contains two services defined in the following files:
* IUploadCallbackService.es
* UploadCallbackService.svc
Data Access is maintained in a file named UploadOrder.es.
Shipping Project:
Entity Framework is used for data access. The entities are defined in the ExternalOrders.edmx file as shown in
the following diagram.
The Custom Tool property for ExternalOrders.edmx has been removed.
POCO classes for the Entity Model are located in the ShippingAddress.es file. The POCO entity must be
loaded by using lazy loading.
The project contains two services defined in the following files.
* IShippingService.es
* ShippingService.svc.
The IShippingService contract must contain an operation that receives an order number as a parameter. The
operation must return a class named ShippingInfo that inherits from a class named State.
Application Structure
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Updated: May 28, 2022