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Best Microsoft 70-487 practice tests in 2020
QUESTION 1
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.)
Hot Area:
Correct Answer:
QUESTION 2
You are developing an ASP.NET Web API action method.
The action method must return the following JSON in the message body.
{” Name “:” Fabrikam”, “Vendor Id”: 9823, “Items”: [“Apples”, “Oranges”] }
You need to return an anonymous object that is serialized to JSON.
What should you do? (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.
Select and Place:
Correct Answer:
QUESTION 3
You are developing an Internet-based ASP.NET Web API application that manages pet data.
You install an SSL certificate on the web server to encrypt calls to the API. You create a class named PetAuthorization,
which inherits from a type named AuthorizeAttribute, and implements the OnAuthorization() method.
You need to implement basic authentication for the API.
What should you do? (To answer, drag the appropriate words to the correct targets in the answer area.
Words 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)
Select and Place:
Correct Answer:
QUESTION 4
You have two methods named F1 and F2.
F2 takes a sting as a parameter.
You need to create a method named F3. F3 must retrieve a string value asynchronously.
The string must call F2. During the asynchronous load of the string, F1 must run.
Which five code blocks should you use? Develop the solution by selecting and arranging the required code blocks in the
correct order.
NOTE: You will not need all of the code blocks.
Select and Place:
Correct Answer:
QUESTION 5
You are developing a WCF service in Visual Studio 2013 that integrates with the Microsoft Azure service bus relay.
The Azure service bus namespace is named RestaurantServiceBus
You need to obtain the issuer name and secret.
What should you do? (To answer, select the appropriate option in the answer area.)
Hot Area:
Correct Answer:
QUESTION 6
You are developing a library to support multiple ASP.NET MVC web applications on a shared server. The library
provides implementations of security algorithms.
If a problem with any of the security algorithms is discovered, a new version of the library must be created and deployed. Application downtime during the update must be minimized.
You need to ensure that the new version of the library will be used by all applications as soon as possible.
What should you do?
A. Build the web applications and include the security assembly as an embedded resource. When an update is needed,
copy the new assembly to the bin directory for the application.
B. Sign all assemblies in each application with the same key used to sign the security assembly. When an update is
needed, create a new key pair and re-sign all assemblies.
C. Build the security assembly as a netmodule in a shared location. Use the assembly linker to merge the netmodule
into the assemblies for the application. When an update is needed, update the netmodule in the shared location.
D. Install the security assembly in the Global Assembly Cache (GAC). When an update is needed, update the assembly
in the GAC.
Correct Answer: D
QUESTION 7
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.)
Select and Place:
Correct Answer:
QUESTION 8
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 ASP.NET Core web application to Azure App Services. You are using Azure Event Hubs to collect the
telemetry data for the application.
You need to configure Event Hubs to automatically deliver the telemetry data stream to a persistent data store.
Solution: Configure Event Hubs Capture to deliver data to Azure Data Lake Store.
Does the solution meet the goal?
A. Yes
B. No
Correct Answer: B
Use Azure Blob storage to store the telemetry data.
References:
https://docs.microsoft.com/en-us/azure/event-hubs/event-hubs-capture-overview
QUESTION 9
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 develop a REST API that uses Node.js. The API will store data in Azure Cosmos DB. You plan to deploy the API to
a new Azure App Services Web App. You create a new Web App by using the Azure portal.
The API must be deployed by using SFTP.
You need to provide the proper deployment credentials to deploy the API.
Solution: Download the. PublishSettings file and enter the username and password located in the file. Does the solution
meet the goal?
A. Yes
B. No
Correct Answer: A
Example:
# Get FTP publishing profile and query for publish URL and credentials creds=($(az webapp deployment list-publishingprofiles –name $webappname –resource- group myResourceGroup \
–query “[?contains(publishMethod, \\’FTP\\’)].[publishUrl,userName,userPWD]” –output tsv)) – -query
“[?contains(publishMethod, \\’FTP\\’)].[publishUrl,userName,userPWD]” –output tsv))
References: https://docs.microsoft.com/en-us/azure/app-service/scripts/app-service-cli- deploy-ftp
QUESTION 10
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.
Hot Area:
Correct Answer:
References: https://docs.microsoft.com/en-us/aspnet/core/tutorials/first-mvc-app/validation?view=aspnetcore-2.2
QUESTION 11
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.
Hot Area:
Correct Answer:
QUESTION 12
You are developing an ASP.NET MVC application that reads and writes data from a SQL Server database.
You need to maintain data integrity including retrieving identical sets across reads in all situations that use transactions.
Which isolation level should you use?
A. Repeatable
B. Serializable
C. ReadUncommitted
D. ReadCommitted
Correct Answer: A
Explanation: REPEATABLE READ Specifies that statements cannot read data that has been modified but not yet
committed by other transactions and that no other transactions can modify data that has been read by the current
transaction until the current transaction completes.
QUESTION 13
You need to perform the initial deployment of the web application. You must ensure that the application meets the
performance requirements. Which file should you modify before you deploy the application?
A. the service definition file (.csdef)
B. the application configuration file (app.config)
C. the packages configuration file (packages.config)
D. the Global.asax file (.asax)
Correct Answer: A
You use cscfg file to define various settings related to your cloud application (in ConfigurationSettings section). Like
app.config file, you get to define other things (e.g.number of instances of your cloud application) in the cscfg file. You
could
change the settings in a cscfg file on the fly using either the portal or Service Management API without having to
repackage and redeploy the application.
Scenario: After the initial deployment, any changes to the business logic of the Web API must cause minimal downtime
to the web application in the production environment.
Microsoft Azure and Web Services FAQs
How do I know the exam objectives?
You can find the exam objectives under the “Tested Skills” section of the official 70-487 exam page.– https://www.microsoft.com/en-us/learning/exam-70-487.aspx
What book is suitable for the 70-487 exam?
“Exam Ref 70-487: Developing Windows Azure and Web Services’.
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