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Microsoft AZ-204 exam resource

Exam AZ-204: Developing Solutions for Microsoft Azure
Part of the requirements for: Microsoft Certified: Azure Developer Associate

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Microsoft AZ-204 dumps practice test questions from Youtube

The following are the new 2021 Microsoft AZ-204 exam practice questions(q1-q13), covering real exam answers and questions! You can test yourself!

QUESTION 1
DRAG DROP
You plan to create a Docker image that runs as ASP.NET Core application named ContosoApp. You have a setup script
named setupScript.ps1 and a series of application files including ContosoApp.dll.
You need to create a Dockerfile document that meets the following requirements:
Call setupScript.ps1 when the container is built.
Run ContosoApp.dll when the container starts.
The Docker document must be created in the same folder where ContosoApp.dll and setupScript.ps1 are stored.
Which four commands should you use to develop the solution? To answer, move the appropriate commands from the
list of commands to the answer area and arrange them in the correct order.
Select and Place:

az-204 exam questions-q1

Correct Answer:

az-204 exam questions-q1-2

Step 1: WORKDIR /apps/ContosoApp
Step 2: COPY ./The Docker document must be created in the same folder where ContosoApp.dll and setupScript.ps1
are stored.
Step 3: EXPOSE ./ContosApp/ /app/ContosoApp
Step 4: CMD powershell ./setupScript.ps1
ENTRYPOINT [“dotnet”, “ContosoApp.dll”]
You need to create a Dockerfile document that meets the following requirements:
Call setupScript.ps1 when the container is built.
Run ContosoApp.dll when the container starts.
References:
https://docs.microsoft.com/en-us/azure/app-service/containers/tutorial-custom-docker-image

QUESTION 2
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, add a Job to a Batch account.
B. In a .NET method, call the method: BatchClient.PoolOperations.CreateJob
C. In Python, implement the class: JobAddParameter
D. In Azure CLI, run the command: az batch pool create
E. In a .NET method, call the method: BatchClient.pool operations.CreatePool
F. In Python, implement the class: TaskAddParameter
G. In the Azure CLI, run the command: az batch account create
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 BatchClient.JobOperations.CreateJob method to create a job on your pool.
Note:
Step 1: Create a pool of compute nodes. When you create a pool, you specify the number of compute nodes for the
pool, their size, and the operating system. When each task in your job runs, it\\’s assigned to execute on one of the
nodes in
your pool.
Step 2: Create a job. A job manages a collection of tasks. You associate each job to a specific pool where that job\\’s
tasks will run.
Step 3: Add tasks to the job. Each task runs the application or script that you uploaded to process the data files it
downloads from your Storage account. As each task completes, it can upload its output to Azure Storage.
Incorrect Answers:
C, F: 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.
E: BatchClient.PoolOperations does not have a CreateJob method.
References: https://docs.microsoft.com/en-us/azure/batch/quick-run-dotnet https://docs.microsoft.com/enus/azure/batch/quick-run-python

QUESTION 3
You are developing an internal website for employees to view sensitive data. The website uses Azure Active Directory
(AAD) for authentication.
You need to implement multifactor authentication for the website.
What should you do? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.
A. Upgrade to Azure AD Premium.
B. In Azure AD conditional access, enable the baseline policy.
C. In Azure AD, create a new conditional access policy.
D. In Azure AD, enable application proxy.
E. Configure the website to use Azure AD B2C.
Correct Answer: AC
A: Multi-Factor Authentication comes as part of the following offerings:
Azure Active Directory Premium licenses – Full featured use of Azure Multi-Factor Authentication Service (Cloud) or
Azure Multi-Factor Authentication Server (On-premises).
Multi-Factor Authentication for Office 365
Azure Active Directory Global Administrators
C: MFA Enabled by conditional access policy. It is the most flexible means to enable two-step verification for your users.
Enabling using conditional access policy only works for Azure MFA in the cloud and is a premium feature of Azure AD.
References: https://docs.microsoft.com/en-us/azure/active-directory/authentication/howto-mfa-getstarted

QUESTION 4
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 on the review screen.
You are developing an Azure Service application that processes queue data when it receives a message from a mobile
application. Messages may not be sent to the service consistently.
You have the following requirements:
Queue size must not grow larger than 80 gigabytes (GB).
Use first-in-first-out (FIFO) ordering of messages.
Minimize Azure costs.
You need to implement the messaging solution.
Solution: Use the .Net API to add a message to an Azure Storage Queue from the mobile application. Create an Azure
VM that is triggered by Azure Storage Queue events.
Does the solution meet the goal?
A. Yes
B. No
Correct Answer: B
Don\\’t use a VM, instead create an Azure Function App that uses an Azure Service Bus Queue trigger.
Reference: https://docs.microsoft.com/en-us/azure/azure-functions/functions-create-storage-queue-triggered-function

QUESTION 5
You develop a website. You plan to host the website in Azure. You expect the website to experience high traffic
volumes after it is published.
You must ensure that the website remains available and responsive while minimizing cost.
You need to deploy the website.
What should you do?
A. Deploy the website to a virtual machine. Configure the virtual machine to automatically scale when the CPU load is
high.
B. Deploy the website to an App Service that uses the Shared service tier. Configure the App service plan to
automatically scale when the CPU load is high.
C. Deploy the website to an App Service that uses the Standard service tier. Configure the App service plan to
automatically scale when the CPU load is high.
D. Deploy the website to a virtual machine. Configure a Scale Set to increase the virtual machine instance count when
the CPU load is high.
Correct Answer: C
Windows Azure Web Sites (WAWS) offers 3 modes: Standard, Free, and Shared.
Standard mode carries an enterprise-grade SLA (Service Level Agreement) of 99.9% monthly, even for sites with just
one instance.
Standard mode runs on dedicated instances, making it different from the other ways to buy Windows Azure Web Sites.
Incorrect Answers:
B: Shared and Free modes do not offer the scaling flexibility of Standard, and they have some important limits.
Shared mode, just as the name states, also uses shared Compute resources, and also has a CPU limit. So, while
neither Free nor Shared is likely to be the best choice for your production environment due to these limits.

QUESTION 6
DRAG DROP
You are deploying an Azure Kubernetes Services (AKS) cluster that will use multiple containers
You need to create the cluster and verify that the services for the containers are configured correctly and available.
Which four commands should you use to develop the solution? To answer, move the appropriate command segments
from the list of command segments to the answer area and arrange them in the correct order.

az-204 exam questions-q6

QUESTION 7
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 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 8
Your company is developing an Azure API.
You need to implement authentication for the Azure API. You have the following requirements:
All API calls must be secure.
Callers to the API must not send credentials to the API.
Which authentication mechanism should you use?
A. Basic
B. Anonymous
C. Managed identity
D. Client certificate
Correct Answer: C
Use the authentication-managed-identity policy to authenticate with a backend service using the managed identity of the
API Management service. This policy essentially uses the managed identity to obtain an access token from Azure Active
Directory for accessing the specified resource. After successfully obtaining the token, the policy will set the value of the
token in the Authorization header using the Bearer scheme.
Reference: https://docs.microsoft.com/bs-cyrl-ba/azure/api-management/api-management-authentication-policies

QUESTION 9
DRAG DROP
You are developing an application to use Azure Blob storage. You have configured Azure Blob storage to include
change feeds.
A copy of your storage account must be created in another region. Data must be copied from the current storage
account to the new storage account directly between the storage servers.
You need to create a copy of the storage account in another region and copy the data.
In which order should you perform the actions? To answer, move all actions from the list of actions to the answer area
and arrange them in the correct order.
Select and Place:

az-204 exam questions-q9

Move data to the new storage account.
Delete the resources in the source region.
Note: You must enable the change feed on your storage account to begin capturing and recording changes. You can
enable and disable changes by using Azure Resource Manager templates on Portal or Powershell.
Reference:
https://docs.microsoft.com/en-us/azure/storage/common/storage-account-move
https://docs.microsoft.com/en-us/azure/storage/blobs/storage-blob-change-feed

QUESTION 10
HOTSPOT
You are developing a back-end Azure App Service that scales based on the number of messages contained in a
Service Bus queue.
A rule already exists to scale up the App Service when the average queue length of unprocessed and valid queue
messages is greater than 1000.
You need to add a new rule that will continuously scale down the App Service as long as the scale up condition is not
met.
How should you configure the Scale rule? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Hot Area:

az-204 exam questions-q10

Correct Answer:

az-204 exam questions-q10-2

Box 1: Service bus queue
You are developing a back-end Azure App Service that scales based on the number of messages contained in a
Service Bus queue.
Box 2: ActiveMessage Count
ActiveMessageCount: Messages in the queue or subscription that are in the active state and ready for delivery.
Box 3: Count
Box 4: Less than or equal to
You need to add a new rule that will continuously scale down the App Service as long as the scale up condition is not
met.
Box 5: Decrease count by


QUESTION 11
HOTSPOT
You are developing a ticket reservation system for an airline.
The storage solution for the application must meet the following requirements:
Ensure at least 99.99% availability and provide low latency.
Accept reservations event when localized network outages or other unforeseen failures occur.
Process reservations in the exact sequence as reservations are submitted to minimize overbooking or selling the same
seat to multiple travelers.
Allow simultaneous and out-of-order reservations with a maximum five-second tolerance window.
You provision a resource group named airlineResourceGroup in the Azure South-Central US region.
You need to provision a SQL SPI Cosmos DB account to support the app.
How should you complete the Azure CLI commands? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Hot Area

az-204 exam questions-q11

az-204 exam questions-q11-2

Box 1: BoundedStaleness
Bounded staleness: The reads are guaranteed to honor the consistent-prefix guarantee. The reads might lag behind
writes by at most “K” versions (that is, “updates”) of an item or by “T” time interval. In other words, when you choose
bounded staleness, the “staleness” can be configured in two ways:
The number of versions (K) of the item
The time interval (T) by which the reads might lag behind the writes
Incorrect Answers:
Strong
Strong consistency offers a linearizability guarantee. Linearizability refers to serving requests concurrently. The reads
are guaranteed to return the most recent committed version of an item. A client never sees an uncommitted or partial
write.
Users are always guaranteed to read the latest committed write.
Box 2: –enable-automatic-failover true\
For multi-region Cosmos accounts that are configured with a single-write region, enable automatic-failover by using
Azure CLI or Azure portal. After you enable automatic failover, whenever there is a regional disaster, Cosmos DB will
automatically failover your account.

QUESTION 12
HOTSPOT
You are building a traffic monitoring system that monitors traffic along six highways. The system produces time series
analysis-based reports for each highway. Data from traffic sensors are stored in Azure Event Hub.
Traffic data is consumed by four departments. Each department has an Azure Web App that displays the time-seriesbased reports and contains a WebJob that processes the incoming data from Event Hub. All Web Apps run on App
Service
Plans with three instances.
Data throughout must be maximized. Latency must be minimized.
You need to implement the Azure Event Hub.
Which settings should you use? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Hot Area:

az-204 exam questions-q12

Correct Answer:

az-204 exam questions-q12-2

Box 1: 6
The number of partitions is specified at creation and must be between 2 and 32.
There are 6 highways.
Box 2: Highway
References:
https://docs.microsoft.com/en-us/azure/event-hubs/event-hubs-features

QUESTION 13
HOTSPOT
You need to secure the Shipping Function app.
How should you configure the app? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Hot Area:

az-204 exam questions-q13

Correct Answer:

az-204 exam questions-q13-2

Scenario: Shipping Function app: Implement secure function endpoints by using app-level security and include Azure
Active Directory (Azure AD). Box 1: Function Box 2: JSON based Token (JWT) Azure AD uses JSON based tokens
(JWTs) that contain claims Box 3: HTTP How a web app delegates sign-in to Azure AD and obtains a token User
authentication happens via the browser. The OpenID protocol uses standard HTTP protocol messages. References:
https://docs.microsoft.com/en-us/azure/active-directory/develop/authentication-scenarios

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