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Exam AZ-204: Developing Solutions for Microsoft Azure
- The content of this exam was updated on May 18, 2020. Please download the exam skills outline below to see what changed.
- Develop Azure compute solutions (25-30%)
- Develop for Azure storage (10-15%)
- Implement Azure security (15-20%)
- Monitor, troubleshoot, and optimize Azure solutions (10-15%)
- Connect to and consume Azure services and third-party services (25-30%)
https://docs.microsoft.com/en-us/learn/certifications/exams/az-204
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Microsoft Azure AZ-204 Dumps Practice Exam Questions
Microsoft AZ-204 Practice Test for Practice
QUESTION 1
After you answer a question in this question, you will NOT be able to return to it. As a result, these questions will not
appear in the review screen.
You are developing an Azure solution to collect point-of-sale (POS) device data from 2,000 stores located throughout
the world. A single device can produce 2 megabytes (MB) of data every 24 hours. Each store location has one to five
devices that send data.
You must store the device in Azure Blob storage. Device data must be correlated based on a device identifier.
Additional stores are expected to open in the future.
You need to implement a solution to receive the device data.
Solution: Provision an Azure Service Bus. Configure a topic to receive the device data by using a correlation filter.
Does the solution meet the goal?
A. Yes
B. No
Correct Answer: B
Instead provision an Azure Event Hub. Configure the machine identifier as the partition key and enable capture.
References: https://docs.microsoft.com/en-us/azure/event-hubs/event-hubs-programming-guide
QUESTION 2
DRAG DROP
Fourth Coffee has an ASP.NET Core web app that runs in Docker. The app is mapped to the www.fourthcoffee.com
domain.
Fourth Coffee is migrating this application to Azure.
You need to provision an App Service Web App to host this docker image and map the custom domain to the App
Service web app.
A resource group named FourthCoffeePublicWebResourceGroup has been created in the WestUS region that contains
an App Service Plan named AppServiceLinuxDockerPlan.
Which order should the CLI commands be used to develop the solution? To answer, move all of the Azure CLI
command from the list of commands to the answer area and arrange them in the correct order.
Select and Place:
Step 1: #bin/bash
The appName is used when the webapp-name is created in step 2.
Step 2: az webapp config hostname add
The webapp-name is used when the webapp is created in step 3.
Step 3: az webapp create
Create a web app. In the Cloud Shell, create a web app in the myAppServicePlan App Service plan with the az webapp
create command.
Step : az webapp confing container set
In Create a web app, you specified an image on Docker Hub in the az webapp create command. This is good enough
for a public image. To use a private image, you need to configure your Docker account ID and password in your Azure
web
app.
In the Cloud Shell, follow the az webapp create command with az webapp config container set.
References:
https://docs.microsoft.com/en-us/azure/app-service/containers/tutorial-custom-docker-image
QUESTION 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 are developing an Azure solution to collect point-of-sale (POS) device data from 2,000 stores located throughout
the world. A single device can produce 2 megabytes (MB) of data every 24 hours. Each store location has one to five
devices that send data.
You must store the device data in Azure Blob storage. Device data must be correlated based on a device identifier.
Additional stores are expected to open in the future.
You need to implement a solution to receive the device data.
Solution: Provision an Azure Event Grid. Configure event filtering to evaluate the device identifier.
Does the solution meet the goal?
A. Yes
B. No
Correct Answer: B
Instead use an Azure Service Bus, which is used order processing and financial transactions.
Note: An event is a lightweight notification of a condition or a state change. Event hubs is usually used reacting to status changes.
Reference:
https://docs.microsoft.com/en-us/azure/event-grid/compare-messaging-services
QUESTION 4
DRAG DROP
You develop a web app that uses tier D1 app service plan by using the Web Apps feature of Microsoft Azure App
Service.
Spikes in traffic have caused increases in page load times.
You need to ensure that the web app automatically scales when CPU load is about 85 percent and minimize costs.
Which four actions should you perform in sequence? To answer, move the appropriate actions from the list of actions to
the answer area and arrange them in the correct order.
NOTE: More than one order of answer choices is correct. You will receive credit for any of the correct orders you select.
Select and Place:
Correct Answer:
Step 1: Configure the web app to the Standard App Service Tier
The Standard tier supports auto-scaling, and we should minimize the cost. Step 2: Enable autoscaling on the web app
First enable autoscale
Step 3: Add a scale rule Step 4: Add a Scale condition Reference:
https://docs.microsoft.com/en-us/azure/monitoring-and-diagnostics/monitoring-autoscale-get-started
QUESTION 5
You are building a website to access project data related to terms within your organization. The website does not allow
anonymous access. Authentication performed using an Azure Active Directory (Azure AD) app named internal.
The website has the following authentication requirements:
Azure AD users must be able to login to the website.
Personalization of the website must be based on membership in Active Directory groups.
You need to configure the application\\’s manifest to meet the authentication requirements.How should you configure the manifest? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Hot Area:
Correct Answer:
Box 1: groupMembershipClaims
Scenario: Personalization of the website must be based on membership in Active Directory groups.
Group claims can also be configured in the Optional Claims section of the Application Manifest.
Enable group membership claims by changing the groupMembershipClaim
The valid values are:
“All”
“SecurityGroup”
“DistributionList”
“DirectoryRole”
Box 2: oauth2Permissions
Scenario: Azure AD users must be able to login to the website.
oauth2Permissions specifies the collection of OAuth 2.0 permission scopes that the web API (resource) app exposes to
client apps. These permission scopes may be granted to client apps during consent.
Incorrect Answers:
oauth2AllowImplicitFlow. oauth2AllowImplicitFlow specifies whether this web app can request OAuth2.0 implicit flow
access tokens. The default is false. This flag is used for browser-based apps, like Javascript single-page apps.
References:
https://docs.microsoft.com/en-us/azure/active-directory/hybrid/how-to-connect-fed-group-claims
QUESTION 6
DRAG DROP
Contoso, Ltd. provides an API to customers by using Azure API Management (APIM). The API authorizes users with a
JWT token. You must implement response caching for the APIM cfeeway. The caching mechanism must detect the user
ID of the client that accesses data for a given location and cache the response for that user ID. You need to add the
following policies to the policies file: a set-variable policy to store the detected user identity a cache-lookup-value policy
a cache-store-value policy a find-and-replace policy to update the response body with the user profile information To
which policy section should you add the policies? To answer, drag the appropriate sections to the correct policies. Each
section 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
Select and Place:
QUESTION 7
DRAG DROP
You are developing a software solution for an autonomous transportation system. The solution uses large data sets and
Azure Batch processing to simulate navigation sets for entire fleets of vehicles.
You need to create compute nodes for the solution on Azure Batch.
What should you do?
Put the actions in the correct order.
Select and Place:
Correct Answer:
With Python:
Step 1: In the Azure portal, create a Batch account.
First we create a batch account.
Step 2: In Python, implement the class: PoolAddParameter
Now that you have a Batch account, create a sample pool of Windows compute nodes for test purposes. To create a
Batch pool, the app uses the PoolAddParameter class to set the number of nodes, VM size, and a pool configuration.
Step 3: In Python, implement the class: JobAddParameter
Now that you have a pool, create a job to run on it. A Batch job is a logical group for one or more tasks. A job includes
settings common to the tasks, such as priority and the pool to run tasks on. Initially the job has no tasks. The app uses
the
JobAddParameter class to create a job on your pool.
Step 4: In Python, implement the class: TaskAddParameter
Now create sample tasks to run in the job. Typically you create multiple tasks that Batch queues and distributes to run
on the compute nodes. The app creates a list of task objects using the TaskAddParameter class.
References:
https://docs.microsoft.com/en-us/azure/batch/quick-create-portal
https://docs.microsoft.com/en-us/azure/batch/quick-run-python
QUESTION 8
You are developing a software solution for an autonomous transportation system. The solution uses large data sets and
Azure Batch processing to simulate navigation sets for entire fleets of vehicles.
You need to create compute nodes for the solution on Azure Batch.
What should you do?
A. In the Azure portal, create a Batch account.
B. In a .NET method, call the method: BatchClient.PoolOperations.CreatePool
C. In Python, implement the class: JobAddParameter
D. In Python, implement the class: TaskAddParameter
Correct Answer: B A Batch job is a logical grouping of one or more tasks. A job includes settings common to the tasks, such as priority and
the pool to run tasks on. The app uses the BatchClient.JobOperations.CreateJob method to create a job on your pool.
Incorrect Answers:
C, D: To create a Batch pool in Python, the app uses the PoolAddParameter class to set the number of nodes, VM size,
and a pool configuration.
References:
https://docs.microsoft.com/en-us/azure/batch/quick-run-dotnet https://docs.microsoft.com/en-us/azure/batch/quick-runpython
QUESTION 9
You have an Azure App Services Web App Azure SQL Database instance Azure Storage Account, and an Azure Redis
Cache instance in a resource group.
A developer must be able to publish code to the web app. You must grant the developer the Contribute role to the web
app.
You need to grant the role.
Which two commands can you use? Each correct answer presents a complete solution.
NOTE: Each correct selection is worth one point.
A. az role assignment create
B. az role definition create
C. New-AzureRmRoleAssignment
D. New-AzureRmRoleDefinition
Correct Answer: AC
A: The az role assignment create command creates a new role assignment for a user, group, or service principal.
Example: Create role assignment for an assignee.
az role assignment create –assignee sp_name –role a_role
C: The New-AzureRmRoleAssignment command assigns the specified RBAC role to the specified principal, at the
specified scope.
Incorrect Answers:
B, D: Creates a custom role in Azure RBAC.
References:
https://docs.microsoft.com/en-us/cli/azure/role/assignment?view=azure-cli-latest#az-role-assignment-create https://docs.microsoft.com/en-us/powershell/module/azurerm.resources/new-azurermroleassignment?view=azurermps-6.13.0
QUESTION 10
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 software as a service (SaaS) offering to manage photographs. Users upload photos to a web service
which then stores the photos in Azure Storage Blob storage. The storage account type is General-purpose V2.
When photos are uploaded, they must be processed to produce and save a mobile-friendly version of the image. The
process to produce a mobile-friendly version of the image must start in less than one minute.
You need to design the process that starts the photo processing.
Solution: Move photo processing to an Azure Function triggered from the blob upload.
Does the solution meet the goal?
A. Yes
B. No
Correct Answer: A
Azure Storage events allow applications to react to events. Common Blob storage event scenarios include image or
video processing, search indexing, or any file-oriented workflow.
Events are pushed using Azure Event Grid to subscribers such as Azure Functions, Azure Logic Apps, or even to your
own http listener.
Note: Only storage accounts of kind StorageV2 (general purpose v2) and BlobStorage support event integration.
Storage (general purpose v1) does not support integration with Event Grid.
Reference:
https://docs.microsoft.com/en-us/azure/storage/blobs/storage-blob-event-overview
QUESTION 11
You are writing code to create and run an Azure Batch job.
You have created a pool of compute nodes.
You need to choose the right class and its method to submit a batch job to the Batch service.
Which method should you use?
A. JobOperations.EnableJobAsync(String, IEnumerable,CancellationToken)
B. JobOperations.CreateJob()
C. CloudJob.Enable(IEnumerable)
D. JobOperations.EnableJob(String,IEnumerable)
E. CloudJob.CommitAsync(IEnumerable, CancellationToken)
Correct Answer: E
A Batch job is a logical grouping of one or more tasks. A job includes settings common to the tasks, such as priority and
the pool to run tasks on. The app uses the BatchClient.JobOperations.CreateJob method to create a job on your pool.
The Commit method submits the job to the Batch service. Initially the job has no tasks.
{
CloudJob job = batchClient.JobOperations.CreateJob();
job.Id = JobId;
job.PoolInformation = new PoolInformation { PoolId = PoolId };
job.Commit();
}
…
References:
https://docs.microsoft.com/en-us/azure/batch/quick-run-dotnet
QUESTION 12
You are a developer for a SaaS company that offers many web services.
All web services for the company must meet the following requirements:
Use API Management to access the services
Use OpenID Connect for authentication
Prevent anonymous usage
A recent security audit found that several web services can be called without any authentication.
Which API Management policy should you implement?
A. jsonp
B. authentication-certificate
C. check-header
D. validate-jwt
Correct Answer: D
Add the validate-jwt policy to validate the OAuth token for every incoming request. Incorrect Answers:
A: The jsonp policy adds JSON with padding (JSONP) support to an operation or an API to allow cross-domain calls
from JavaScript browser-based clients. JSONP is a method used in JavaScript programs to request data from a server
in a different domain. JSONP bypasses the limitation enforced by most web browsers where access to web pages must
be in the same domain.
JSONP – Adds JSON with padding (JSONP) support to an operation or an API to allow cross-domain calls from
JavaScript browser-based clients.
Reference: https://docs.microsoft.com/en-us/azure/api-management/api-management-howto-protect-backend-with-aad
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