100% Correct 70-487 Exam Dumps 2021

NEW QUESTION 1
DRAG DROP
You need to parse flight information from Blue Yonder Airlines. The content of the XML file is shown below.

Some airlines do not specify the timezone of the arrival time. If the timezone is not specified, then it should be interpreted per the business requirements.
You need to implement the LoadFlights() and Parse() methods of the BlueYonderLoader class.
What should you do? (To answer, drag the appropriate code segments to the correct location in the answer area. Each 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.)

Answer:

Explanation:

NEW QUESTION 2
You are planning to migrate websites from IIS 6 to IIS 7.5. You do not have access to SSH or a VPN.
You need to select a deployment tool to securely migrate the websites. Which tool should you use?

• A. RoboCopy
• B. Web Deploy
• C. Microsoft command-line FTP
• D. xCopy

Answer: B

NEW QUESTION 3
DRAG DROP
The GetVendorPolicy() private method in the ProcessedOrderController controller is returning a
CacheItemPolicy object with default values. The returned policy must expire if the external file located at C:TriggersVendorTrigger.txt has been modified or the timeout outlined in the technical requirements is reached.
You need to return the policy.
How should you build the method? (To answer, drag the appropriate code segments to the correct location or locations in the answer area. 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.)

Answer:

Explanation:
http://msdn.microsoft.com/en-us/library/system.runtime.caching.cacheitempolicy.aspx

NEW QUESTION 4
The GetExternalOrder() method in the ExternalQueueService service is throwing a runtime error. The method must query the database for a record that matches the orderNum parameter passed to the method.
You need to modify the queryString string to retrieve the record. With which code segment should you replace line EQ64?

• A. Option A
• B. Option B
• C. Option C
• D. Option D

Answer: C

NEW QUESTION 5
DRAG DROP
You are developing an ASP.NET MVC Web API application. The application must meet the following requirements:
It must send or receive data without the use of a buffer.
It must allow up to 1 MB of data to be received.
It must allow up to 2 MB of data to be sent.
You need to complete the code to meet the requirements. You have the following code:

What code segments should you include in Target 1, Target 2, Target 3, Target 4, Target 5 and Target 6 to complete the code? (To answer, drag the appropriate code segments to the correct targets the answer area. 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.)

Answer:

Explanation:

NEW QUESTION 6
DRAG DROP
You are developing a Windows Communication Foundation (WCF) service named WCF1. WCF1 will use a certificate to secure the communication channel.
You need to ensure that the WCF service uses a certificate to secure the communication channel.
How should you complete the code? To answer, drag the appropriate code blocks to the correct locations. Each code block 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: Target 1: ClientCredentialType
Target 2: MessageCredentialType.Certificate
Set the ClientCredential property to an appropriate value. The following code sets the property to Certificate.
WSHttpBinding b = new WSHttpBinding(); b.Security.Mode = SecurityMode.Message;
b.Security.Message.ClientCredentialType = MessageCredentialType.Certificate; Target 3: SetCertificate
On the client class, set the ClientCredentials property of the ClientBase<TChannel> class to an appropriate value.
Example: // Set the certificate for the client. cc.ClientCredentials.ClientCertificate.SetCertificate( StoreLocation.LocalMachine,
StoreName.My, X509FindType.FindBySubjectName, "cohowinery.com");
References: https://docs.microsoft.com/en-us/dotnet/framework/wcf/how-to-set-the- security-mode
https://docs.microsoft.com/en-us/dotnet/framework/wcf/how-to-specify-client-credential- values

NEW QUESTION 7
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 have developed a .NET Standard Library. You need to produce a NuGet package. Solution: Run the dotnet pack command Does the solution meet the goal?

• A. Yes
• B. No

Answer: B

Explanation: Package the component with the NuGet pack command.
References: https://docs.microsoft.com/en-us/nuget/guides/create-net-standard-packages- vs2015

NEW QUESTION 8
You are developing an ASP.NET MVC application that displays a report. The report includes large images that are stored in a database. Members of the EntityClient namespace are used to access the database through the ADO.NET Entity Framework data model.
You need to prevent memory exceptions while generating a report using the EntityDataRcader type.
Which CommandBehavior type should you use?

• A. FastForwardReadOnly
• B. SequentialAccess
• C. SingleResult
• D. SingleRow

Answer: B

Explanation: SequentialAccess
Provides a way for the DataReader to handle rows that contain columns with large binary values. Rather than loading the entire row, SequentialAccess enables the DataReader to load data as a stream.

NEW QUESTION 9
You need to update the CreateMonthlyTotalsReports() method to use database transactions. Which code segment should you use?

• A. SqlConnection.BeginTransaction(IsolationLevel.ReadCommitted);
• B. SqlConnection.BeginTransaction(IsolationLevel.ReadUnconwited);
• C. SqlConnection.BeginTransaction(IsolationLevel.Chaos);
• D. SqlConnection.BeginTransaction(IsolationLevel.Serializable);

Answer: D

Explanation: * Scenario: The Create MonthlyTotalsReport() method must lock the data and prevent others from updating or inserting new rows until complete.
* Serializable:
A range lock is placed on the DataSet, preventing other users from updating or inserting rows into the dataset until the transaction is complete.

NEW QUESTION 10
DRAG DROP
You need to build the connection from ReportApp to read the search dat

Answer:

Explanation: References:
https://docs.microsoft.com/en-us/azure/service-bus-messaging/service-bus-dotnet-get-started-with-queues
https://docs.microsoft.com/en-us/azure/service-bus-messaging/service-bus-queues-topics- subscriptions

Case Study: 5
Trey Research Inc
Overview
Trey Research Inc. is a Software-as-a-Service (SaaS) company that provides hosted solutions for business partners around the world. The company is developing a solution that will allow business partners to manage events, including shareholder meetings and trade shows.
You hold meetings with key partners to identify requirements and constraints for the solution. You must minimize costs where possible.
You work with an Azure solutions architect to design the logical structure for the solution. The solution will use the following architecture:

Solution components
The solution will use Azure Traffic Manager to distribute traffic. The solution will use API Management to provide caching for the Event Service. Partner companies will interact with the solution by using the Event Service API. This API will be implemented as an ASP.NET Core Web API that runs as an Azure Web App. Event data will be stored in Cosmos DB using the Document API.
The solution will be highly available. You define regional Azure outages as periods of 60 seconds or more where the Event Service is not available.
An Azure WebJob named EventJob will be deployed with the Event Service Web App. The WebJob:
Creates new computed events when partner events are created.
Must be active whenever the Event Service is running.
Is updated once a quarter.
Trey Research Inc. has developer teams that work with a variety of operating systems including Windows, Linux, and MacOS.
Event Service
Individual events must be immutable. Event data can be up to 800 kilobytes (KB) in size. The Event Service must meet the following requirements:
Use REST-based design
Cache data whenever possible.
Support both JSON and XML-based data.
Log customer information whenever data is modified.
Include the X-Customer header in all calls to identify the partner. Regional access to the Event Service API
Data for partners in Germany and Brazil must be served from Azure datacenters in their respective geographies unless there is a regional Azure outage. All other partners must use the US West Azure datacenter.
Testing
All testing must interact directly with the Web App backend. Automated testing of the solution is performed using a remote third-party testing solution.
Event data
You identify the following requirements for the event data store:
Each partner’s event data must be stored in a Collection that is specific to the partner.
Event data must be available if a regional Azure outage occurs.
Event read and write operations for a single partner must always store events in the correct order.
Event API
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.




Event processing
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.


Middleware 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.

NEW QUESTION 11
HOTSPOT
You updating an existing multitenant ASP.NET MVC application for medical clinics. The application aggressively uses output caching to improve performance by caching content for 36 hours. The application uses a query string parameter named “clinicID” that contains the clinic that the user is currently viewing.
Users report that they are occasionally seeing data for the wrong clinic. Users also report that the application seems to take a long time to return data for a specific clinic even if they have viewed it recently.
You need to configure web.config to resolve the reported problems.
You have the following markup:

Which markup segments should you include in Target 1, Target 2 and Target 3 to complete the markup? (To answer, select the correct markup segment from each drop-down list in the answer area.)

Answer:

Explanation: Target 1: noStore="false"
The page that has the OutputCacheProfile.NoStore property set to true issues a response specifying in its header to prevent secondary storage of sensitive information.
Target 2: VaryByParam ="clinicID"
The VaryByParam is a semicolon-delimited set of parameters used to vary the cached output. It allows varying the cached output by GET query string or form POST parameters. For instance, you can vary the user-control output to the cache by specifying the user- control name along with either a query string or a form POST parameter.
Incorrect: Not varyByControl="ClinicID"
The VaryByControl is a semicolon-delimited set of IDs of controls to be cached. Target 3: duration=129600"
The Duration represents the time in seconds that the page or user control is cached. Setting this property establishes an expiration policy for HTTP responses from the page or control to which it applies and will automatically cause the caching of their output.
129600 seconds is 36 hours (60*60*36).
References: https://msdn.microsoft.com/en-
us/library/system.web.configuration.outputcacheprofile(v=vs.110).aspx

NEW QUESTION 12
HOTSPOT
You are supporting an application that uses the ADO.NET Entity Framework to query and access data.
The latest version of a tool will add new templates and wizards that will enhance developer productivity.
You need to update the tool.
Which Visual Studio 2012 menu item should you choose? (To answer, select the appropriate menu item in the answer area.)

Answer:

Explanation:

NEW QUESTION 13
DRAG DROP
ReportApp will shut down every night. However, data from the searches performed during the night must still be collected.
You need to identify the return types for the car year, price, brand and model. The solution must minimize the number of round trips between the clients and the web servers.
What should you identify? To answer, drag the appropriate return types to the correct objects. Each return type 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: Note: A round trip occurs when an object is deserialized and re-serialized in one operation.
From scenario: The application will provide users with the ability to search for a car by using advanced filtering options, such as the car brand, model, year, and price. All of this information will be stored as strings and will be displayed as drop-down lists.
The brand and model lists that will be displayed on the home page of the web application will be retrieved from Windows Communication Foundation (WCF) services hosted in the on- premises environment.
Target 1: Task<String>
Though Performance blocking and Sluggishness are the tailbacks for any application, we can easily overcome these bottlenecks by using asynchronous programming. But old-style practice for asynchronous programming is not way easy enou
Target 2: Task<String>
Target 3: String
Target 4: String
References: https://rashimuddin.wordpress.com/2013/05/07/task-based-asynchronous- operation-in-wcf/

NEW QUESTION 14
HOTSPOT
You are creating an application that retrieves Microsoft SQL Server data from two tables named Product and ProductModel.
You need to store in two separate lists all the names of the products and the product models for later use by the application.
How should you complete the code? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

Answer:

Explanation: Box 1:
Two Select statements to get two results. Box 2: (Reader.Read());
The SqlDataReader.Read Method advances the SqlDataReader to the next record. The default position of the SqlDataReader is before the first record. Therefore, you must call Read to begin accessing any data.
Return Value
Type: System.Boolean
true if there are more rows; otherwise false. Box 3: Reader.NextResult();
The SqlDataReader.NextResult method advances the data reader to the next result, when reading the results of batch Transact-SQL statements. Used to process multiple results, which can be generated by executing batch Transact-SQL statements.
By default, the data reader is positioned on the first result. Box 4: (Reader.Read());
References: https://msdn.microsoft.com/en-
us/library/system.data.sqlclient.sqldatareader.nextresult(v=vs.110).aspx

NEW QUESTION 15
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 need to ensure that testing, development, and end user access requirements are met. Solution: Move the Web App backend to a private VNet.
Does the solution meet the goal?

• A. Yes
• B. No

Answer: A

Explanation: Scenario: All testing must interact directly with the Web App backend. Automated testing of the solution is performed using a remote third-party testing solution.

NEW QUESTION 16
DRAG DROP
You are developing a WCF Data Services service in Visual Studio 2012 to display movie information from a SQL Server database that changes every 24 hours. The service is defined in the following class.

The application contains the following Entity Framework model.

The service must only return data for movies that are currently in theaters.
You need to add a method to the MovieService class to filter the dat a.
How should you build the method? (To answer, drag the appropriate code segments to the correct location or locations in the answer area. 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.)

Answer:

Explanation:

NEW QUESTION 17
DRAG DROP
You are designing a service layer endpoint named EndPoint1 that will read more than one million rows from a database named DB1, and then update several rows in multiple tables in a database named DB2.
You need to identify a data access strategy that meets the following requirements:
Uses the OData protocol to retrieve data from EndPoint1
Creates a strongly typed object based on the table in BD2
Retrieves data from DB1 as quickly as possible, while minimizing memory use on the application server
What should you identify for each requirement? To answer, drag the appropriate data access strategies to the correct requirements. Each data access strategy 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/framework/data/wcf/wcf-data-services-overview https://docs.microsoft.com/en-us/dotnet/framework/data/adonet/populating-a-dataset-from-a-dataadapter
https://docs.microsoft.com/en-us/dotnet/framework/data/adonet/retrieving-data-using-a- datareader

NEW QUESTION 18
You need to modify the ExecuteCommandProcedure() method to meet the technical requirements.
Which code segment should you use?

• A. Option A
• B. Option B
• C. Option C
• D. Option D

Answer: A

NEW QUESTION 19
You are developing a web application by using Microsoft .NET Framework 4.5.
You are creating a web client for the application. The web client will make REST calls to several web services.
You need to ensure that the web client meets the following requirements:
Uses the Task class to perform asynchronous operations
Reuses recently resolved DNS lookups
Which object should you include in the solution?

• A. ServiceClient
• B. WebClient
• C. HttpClient
• D. WebRequest

Answer: C

Explanation: References: https://www.c-sharpcorner.com/article/calling-web-api-using-httpclient/

NEW QUESTION 20
You are developing a WCF service. You need to create a duplex contract.
What should you do? (Each correct answer presents part of the solution. Choose all that apply.)

• A. Apply the MessageContractAttribute attribute to every public method signature included in the appropriate contract.
• B. Create an interface for the client-side duplex contract.
• C. Create an interface for the server-side duplex contract.
• D. Apply the MessageContractAttribute attribute to the appropriate interface.
• E. Apply the ServiceContractAttribute attribute to the appropriate interfac
• F. Then, apply the OperationContractAttribute attribute to every public method signature included in that contract.
• G. Set the CallbackContract property to the appropriate interface.

Answer: CEF

Explanation: To create a duplex contract
(C) Create the interface that makes up the server side of the duplex contract.
(E) Apply the ServiceContractAttribute class to the interface.
Declare the method signatures in the interface.
(E) Apply the OperationContractAttribute class to each method signature that must be part of the public contract.
Create the callback interface that defines the set of operations that the service can invoke on the client.
Declare the method signatures in the callback interface.
Apply the OperationContractAttribute class to each method signature that must be part of the public contract.
(F) Link the two interfaces into a duplex contract by setting the CallbackContract property in the primary interface to the type of the callback interface.
Reference: How to: Create a Duplex Contract