AZ-204: Developing Solutions for Microsoft Azure Part 2
Question #: 105
Topic #: 5
You are creating a hazard notification system that has a single signaling server which triggers audio and visual alarms to start and stop.
You implement Azure Service Bus to publish alarms. Each alarm controller uses Azure Service Bus to receive alarm signals as part of a transaction. Alarm events must be recorded for audit purposes. Each transaction record must include information about the alarm type that was activated.
You need to implement a reply trail auditing solution.
Which two actions should you perform? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.
A. Assign the value of the hazard message SessionID property to the ReplyToSessionId property.
B. Assign the value of the hazard message MessageId property to the DevileryCount property.
C. Assign the value of the hazard message SessionID property to the SequenceNumber property.
D. Assign the value of the hazard message MessageId property to the CorrelationId property.
E. Assign the value of the hazard message SequenceNumber property to the DeliveryCount property.
F. Assign the value of the hazard message MessageId property to the SequenceNumber property.
Selected Answer: AD
Question #: 106
Topic #: 3
You develop Azure solutions.
A .NET application needs to receive a message each time an Azure virtual machine finishes processing data. The messages must NOT persist after being processed by the receiving application.
You need to implement the .NET object that will receive the messages.
Which object should you use?
A. QueueClient
B. SubscriptionClient
C. TopicClient
D. CloudQueueClient
Selected Answer: A
Question #: 107
Topic #: 2
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: Convert the Azure Storage account to a BlockBlobStorage storage account.
Does the solution meet the goal?
A. Yes
B. No
Selected Answer: B
Question #: 111
Topic #: 5
You are developing an Azure function that connects to an Azure SQL Database instance. The function is triggered by an Azure Storage queue.
You receive reports of numerous System.InvalidOperationExceptions with the following message:
`Timeout expired. The timeout period elapsed prior to obtaining a connection from the pool. This may have occurred because all pooled connections were in use and max pool size was reached.`
You need to prevent the exception.
What should you do?
A. In the host.json file, decrease the value of the batchSize option
B. Convert the trigger to Azure Event Hub
C. Convert the Azure Function to the Premium plan
D. In the function.json file, change the value of the type option to queueScaling
Selected Answer: A
Question #: 112
Topic #: 1
This question requires that you evaluate the underlined text to determine if it is correct.
You company has an on-premises deployment of MongoDB, and an Azure Cosmos DB account that makes use of the MongoDB API.
You need to devise a strategy to migrate MongoDB to the Azure Cosmos DB account.
You include the Data Management Gateway tool in your migration strategy.
Instructions: Review the underlined text. If it makes the statement correct, select `No change required.` If the statement is incorrect, select the answer choice that makes the statement correct.
A. No change required
B. mongorestore
C. Azure Storage Explorer
D. AzCopy
Selected Answer: B
Question #: 113
Topic #: 4
You have an application that includes an Azure Web app and several Azure Function apps. Application secrets including connection strings and certificates are stored in Azure Key Vault.
Secrets must not be stored in the application or application runtime environment. Changes to Azure Active Directory (Azure AD) must be minimized.
You need to design the approach to loading application secrets.
What should you do?
A. Create a single user-assigned Managed Identity with permission to access Key Vault and configure each App Service to use that Managed Identity.
B. Create a single Azure AD Service Principal with permission to access Key Vault and use a client secret from within the App Services to access Key Vault.
C. Create a system assigned Managed Identity in each App Service with permission to access Key Vault.
D. Create an Azure AD Service Principal with Permissions to access Key Vault for each App Service and use a certificate from within the App Services to access Key Vault.
Selected Answer: A
Question #: 115
Topic #: 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 in the review screen.
You are developing a medical records document management website. The website is used to store scanned copies of patient intake forms.
If the stored intake forms are downloaded from storage by a third party, the contents of the forms must not be compromised.
You need to store the intake forms according to the requirements.
Solution:
1. Create an Azure Key Vault key named skey.
2. Encrypt the intake forms using the public key portion of skey.
3. Store the encrypted data in Azure Blob storage.
Does the solution meet the goal?
A. Yes
B. No
Selected Answer: A
Question #: 116
Topic #: 3
You develop Azure solutions.
You must connect to a No-SQL globally-distributed database by using the .NET API.
You need to create an object to configure and execute requests in the database.
Which code segment should you use?
A. new Container(EndpointUri, PrimaryKey);
B. new Database(EndpointUri, PrimaryKey);
C. new CosmosClient(EndpointUri, PrimaryKey);
Selected Answer: C
Question #: 117
Topic #: 5
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution. Determine whether the solution meets the stated goals.
You are developing and deploying several ASP.NET web applications to Azure App Service. You plan to save session state information and HTML output.
You must use a storage mechanism with the following requirements:
✑ Share session state across all ASP.NET web applications.
✑ Support controlled, concurrent access to the same session state data for multiple readers and a single writer.
✑ Save full HTTP responses for concurrent requests.
You need to store the information.
Proposed Solution: Deploy and configure Azure Cache for Redis. Update the web applications.
Does the solution meet the goal?
A. Yes
B. No
Selected Answer: A
Question #: 118
Topic #: 1
You are developing an e-Commerce Web App.
You want to use Azure Key Vault to ensure that sign-ins to the e-Commerce Web App are secured by using Azure App Service authentication and Azure Active
Directory (AAD).
What should you do on the e-Commerce Web App?
A. Run the az keyvault secret command.
B. Enable Azure AD Connect.
C. Enable Managed Service Identity (MSI).
D. Create an Azure AD service principal.
Selected Answer: C
Question #: 119
Topic #: 6
You are developing an Azure messaging solution.
You need to ensure that the solution meets the following requirements:
✑ Provide transactional support.
✑ Provide duplicate detection.
✑ Store the messages for an unlimited period of time.
Which two technologies will meet the requirements? Each correct answer presents a complete solution.
NOTE: Each correct selection is worth one point.
A. Azure Service Bus Topic
B. Azure Service Bus Queue
C. Azure Storage Queue
D. Azure Event Hub
Selected Answer: AB
Question #: 123
Topic #: 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 in the review screen.
You are developing a medical records document management website. The website is used to store scanned copies of patient intake forms.
If the stored intake forms are downloaded from storage by a third party, the contents of the forms must not be compromised.
You need to store the intake forms according to the requirements.
Solution:
1. Create an Azure Cosmos DB database with Storage Service Encryption enabled.
2. Store the intake forms in the Azure Cosmos DB database.
Does the solution meet the goal?
A. Yes
B. No
Selected Answer: B
Question #: 124
Topic #: 1
This question requires that you evaluate the underlined text to determine if it is correct.
Your Azure Active Directory Azure (Azure AD) tenant has an Azure subscription linked to it.
Your developer has created a mobile application that obtains Azure AD access tokens using the OAuth 2 implicit grant type.
The mobile application must be registered in Azure AD.
You require a redirect URI from the developer for registration purposes.
Instructions: Review the underlined text. If it makes the statement correct, select `No change is needed.` If the statement is incorrect, select the answer choice that makes the statement correct.
A. No change required.
B. a secret
C. a login hint
D. a client ID
Selected Answer: A
Question #: 125
Topic #: 3
You have an existing Azure storage account that stores large volumes of data across multiple containers.
You need to copy all data from the existing storage account to a new storage account. The copy process must meet the following requirements:
✑ Automate data movement.
✑ Minimize user input required to perform the operation.
✑ Ensure that the data movement process is recoverable.
What should you use?
A. AzCopy
B. Azure Storage Explorer
C. Azure portal
D. .NET Storage Client Library
Selected Answer: A
Question #: 130
Topic #: 1
You are creating an Azure key vault using PowerShell. Objects deleted from the key vault must be kept for a set period of 90 days.
Which two of the following parameters must be used in conjunction to meet the requirement? (Choose two.)
A. EnabledForDeployment
B. EnablePurgeProtection
C. EnabledForTemplateDeployment
D. EnableSoftDelete
Selected Answer: BD
Question #: 131
Topic #: 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 in the review screen.
You are developing a medical records document management website. The website is used to store scanned copies of patient intake forms.
If the stored intake forms are downloaded from storage by a third party, the contents of the forms must not be compromised.
You need to store the intake forms according to the requirements.
Solution: Store the intake forms as Azure Key Vault secrets.
Does the solution meet the goal?
A. Yes
B. No
Selected Answer: B
Question #: 136
Topic #: 5
You develop and deploy an ASP.NET web app to Azure App Service. You use Application Insights telemetry to monitor the app.
You must test the app to ensure that the app is available and responsive from various points around the world and at regular intervals. If the app is not responding, you must send an alert to support staff.
You need to configure a test for the web app.
Which two test types can you use? Each correct answer presents a complete solution.
NOTE: Each correct selection is worth one point.
A. integration
B. multi-step web
C. URL ping
D. unit
E. load
Selected Answer: BC
Question #: 137
Topic #: 2
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 a virtual machine. Configure a Scale Set to increase the virtual machine instance count when the CPU load is high.
D. 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.
Selected Answer: D
Question #: 141
Topic #: 1
You manage an Azure SQL database that allows for Azure AD authentication.
You need to make sure that database developers can connect to the SQL database via Microsoft SQL Server Management Studio (SSMS). You also need to make sure the developers use their on-premises Active Directory account for authentication. Your strategy should allow for authentication prompts to be kept to a minimum.
Which of the following should you implement?
A. Azure AD token.
B. Azure Multi-Factor authentication.
C. Active Directory integrated authentication.
D. OATH software tokens.
Selected Answer: C
Question #: 142
Topic #: 4
Your company is developing an Azure API hosted in Azure.
You need to implement authentication for the Azure API to access other Azure resources. You have the following requirements:
✑ All API calls must be authenticated.
✑ 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
Selected Answer: C
Question #: 143
Topic #: 6
You are developing a solution that will use Azure messaging services.
You need to ensure that the solution uses a publish-subscribe model and eliminates the need for constant polling.
What are two possible ways to achieve the goal? Each correct answer presents a complete solution.
NOTE: Each correct selection is worth one point.
A. Service Bus
B. Event Hub
C. Event Grid
D. Queue
Selected Answer: AC
Question #: 147
Topic #: 6
A company is implementing a publish-subscribe (Pub/Sub) messaging component by using Azure Service Bus. You are developing the first subscription application.
In the Azure portal you see that messages are being sent to the subscription for each topic. You create and initialize a subscription client object by supplying the correct details, but the subscription application is still not consuming the messages.
You need to ensure that the subscription client processes all messages.
Which code segment should you use?
A. await subscriptionClient.AddRuleAsync(new RuleDescription(RuleDescription.DefaultRuleName, new TrueFilter()));
B. subscriptionClient = new SubscriptionClient(ServiceBusConnectionString, TopicName, SubscriptionName);
C. await subscriptionClient.CloseAsync();
D. subscriptionClient.RegisterMessageHandler(ProcessMessagesAsync, messageHandlerOptions);
Selected Answer: D
Question #: 148
Topic #: 5
You are developing applications for a company. You plan to host the applications on Azure App Services.
The company has the following requirements:
✑ Every five minutes verify that the websites are responsive.
✑ Verify that the websites respond within a specified time threshold. Dependent requests such as images and JavaScript files must load properly.
✑ Generate alerts if a website is experiencing issues.
✑ If a website fails to load, the system must attempt to reload the site three more times.
You need to implement this process with the least amount of effort.
What should you do?
A. Create a Selenium web test and configure it to run from your workstation as a scheduled task.
B. Set up a URL ping test to query the home page.
C. Create an Azure function to query the home page.
D. Create a multi-step web test to query the home page.
E. Create a Custom Track Availability Test to query the home page.
Selected Answer: D
Question #: 149
Topic #: 1
You are developing an application to transfer data between on-premises file servers and Azure Blob storage. The application stores keys, secrets, and certificates in Azure Key Vault and makes use of the Azure Key Vault APIs.
You want to configure the application to allow recovery of an accidental deletion of the key vault or key vault objects for 90 days after deletion.
What should you do?
A. Run the Add-AzKeyVaultKey cmdlet.
B. Run the az keyvault update –enable-soft-delete true –enable-purge-protection true CLI.
C. Implement virtual network service endpoints for Azure Key Vault.
D. Run the az keyvault update –enable-soft-delete false CLI.
Selected Answer: B
Question #: 152
Topic #: 5
You develop and add several functions to an Azure Function app that uses the latest runtime host. The functions contain several REST API endpoints secured by using SSL. The Azure Function app runs in a Consumption plan.
You must send an alert when any of the function endpoints are unavailable or responding too slowly.
You need to monitor the availability and responsiveness of the functions.
What should you do?
A. Create a URL ping test.
B. Create a timer triggered function that calls TrackAvailability() and send the results to Application Insights.
C. Create a timer triggered function that calls GetMetric(“Request Size”) and send the results to Application Insights.
D. Add a new diagnostic setting to the Azure Function app. Enable the FunctionAppLogs and Send to Log Analytics options.
Selected Answer: A
Question #: 153
Topic #: 2
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 an HTTP triggered Azure Function app to process Azure Storage blob data. The app is triggered using an output binding on the blob.
The app continues to time out after four minutes. The app must process the blob data.
You need to ensure the app does not time out and processes the blob data.
Solution: Use the Durable Function async pattern to process the blob data.
Does the solution meet the goal?
A. Yes
B. No
Selected Answer: A
Question #: 154
Topic #: 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 in the review screen.
You develop Azure solutions.
You must grant a virtual machine (VM) access to specific resource groups in Azure Resource Manager.
You need to obtain an Azure Resource Manager access token.
Solution: Use an X.509 certificate to authenticate the VM with Azure Resource Manager.
Does the solution meet the goal?
A. Yes
B. No
Selected Answer: B
Question #: 155
Topic #: 6
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 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 from Azure Storage
Queue events.
Does the solution meet the goal?
A. Yes
B. No
Selected Answer: B
Question #: 158
Topic #: 2
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 an HTTP triggered Azure Function app to process Azure Storage blob data. The app is triggered using an output binding on the blob.
The app continues to time out after four minutes. The app must process the blob data.
You need to ensure the app does not time out and processes the blob data.
Solution: Pass the HTTP trigger payload into an Azure Service Bus queue to be processed by a queue trigger function and return an immediate HTTP success response.
Does the solution meet the goal?
A. Yes
B. No
Selected Answer: A
Question #: 159
Topic #: 1
Note: The question is included in a number of questions that depicts the identical set-up. However, every question has a distinctive result. Establish if the solution satisfies the requirements.
You are configuring a web app that delivers streaming video to users. The application makes use of continuous integration and deployment.
You need to ensure that the application is highly available and that the users’ streaming experience is constant. You also want to configure the application to store data in a geographic location that is nearest to the user.
Solution: You include the use of Azure Redis Cache in your design.
Does the solution meet the goal?
A. Yes
B. No
Selected Answer: B
Question #: 160
Topic #: 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 in the review screen.
You develop Azure solutions.
You must grant a virtual machine (VM) access to specific resource groups in Azure Resource Manager.
You need to obtain an Azure Resource Manager access token.
Solution: Use the Reader role-based access control (RBAC) role to authenticate the VM with Azure Resource Manager.
Does the solution meet the goal?
A. Yes
B. No
Selected Answer: A
Question #: 161
Topic #: 6
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 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 Service Bus Queue from the mobile application. Create an Azure Windows VM that is triggered from
Azure Service Bus Queue.
Does the solution meet the goal?
A. Yes
B. No
Selected Answer: B
Question #: 165
Topic #: 3
You are developing an Azure Cosmos DB solution by using the Azure Cosmos DB SQL API. The data includes millions of documents. Each document may contain hundreds of properties.
The properties of the documents do not contain distinct values for partitioning. Azure Cosmos DB must scale individual containers in the database to meet the performance needs of the application by spreading the workload evenly across all partitions over time.
You need to select a partition key.
Which two partition keys can you use? Each correct answer presents a complete solution.
NOTE: Each correct selection is worth one point.
A. a single property value that does not appear frequently in the documents
B. a value containing the collection name
C. a single property value that appears frequently in the documents
D. a concatenation of multiple property values with a random suffix appended
E. a hash suffix appended to a property value
Selected Answer: DE
Question #: 166
Topic #: 1
Note: The question is included in a number of questions that depicts the identical set-up. However, every question has a distinctive result. Establish if the solution satisfies the requirements.
You are configuring a web app that delivers streaming video to users. The application makes use of continuous integration and deployment.
You need to ensure that the application is highly available and that the users’ streaming experience is constant. You also want to configure the application to store data in a geographic location that is nearest to the user.
Solution: You include the use of an Azure Content Delivery Network (CDN) in your design.
Does the solution meet the goal?
A. Yes
B. No
Selected Answer: A
Question #: 167
Topic #: 2
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 an HTTP triggered Azure Function app to process Azure Storage blob data. The app is triggered using an output binding on the blob.
The app continues to time out after four minutes. The app must process the blob data.
You need to ensure the app does not time out and processes the blob data.
Solution: Configure the app to use an App Service hosting plan and enable the Always On setting.
Does the solution meet the goal?
A. Yes
B. No
Selected Answer: B
Question #: 171
Topic #: 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 in the review screen.
You are developing a website that will run as an Azure Web App. Users will authenticate by using their Azure Active Directory (Azure AD) credentials.
You plan to assign users one of the following permission levels for the website: admin, normal, and reader. A user’s Azure AD group membership must be used to determine the permission level.
You need to configure authorization.
Solution:
✑ Configure and use Integrated Windows Authentication in the website.
✑ In the website, query Microsoft Graph API to load the groups to which the user is a member.
Does the solution meet the goal?
A. Yes
B. No
Selected Answer: B
Question #: 172
Topic #: 2
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
Selected Answer: A
Question #: 173
Topic #: 1
Note: The question is included in a number of questions that depicts the identical set-up. However, every question has a distinctive result. Establish if the solution satisfies the requirements.
You are configuring a web app that delivers streaming video to users. The application makes use of continuous integration and deployment.
You need to ensure that the application is highly available and that the users’ streaming experience is constant. You also want to configure the application to store data in a geographic location that is nearest to the user.
Solution: You include the use of a Storage Area Network (SAN) in your design.
Does the solution meet the goal?
A. Yes
B. No
Selected Answer: B
