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Certification Paths
The Microsoft Certified: Azure Developer Associate certificate proves that its holder is a competent professional who can design, build, test, and maintain cloud applications as well as services on Microsoft Azure. Thereafter, one can not only land a lucrative job but also venture into more advanced programs such as Microsoft Certified: Azure Solutions Architect Expert. Still, you can also expand skill set at the current stage by acquiring other associate-level certifications that verify the skills of Azure Data Engineers, Azure Data Administrators, Azure Data Scientists, Azure Security Engineers, and others. Moreover, if you earn Microsoft Certified: Azure Administrator Associate along with Microsoft Certified: Azure Developer Associate, you'll fulfill the prerequisites for the Microsoft Certified: DevOps Engineer Expert certificate.
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Microsoft AZ-204 exam, also known as Developing Solutions for Microsoft Azure, is designed for developers who want to validate their skills in building and deploying cloud-based applications using Microsoft Azure. AZ-204 exam measures a candidate's ability to develop Azure compute solutions, implement Azure security, and optimize Azure performance. AZ-204 exam also covers Azure storage solutions, Azure integration, and Azure monitoring and troubleshooting.
Microsoft AZ-204 and Skills Measured
The AZ-204 certification exam is designed to evaluate the candidates’ capability to perform specific technical tasks. These include developing Azure solutions; connecting to and utilizing Azure services as well as 3rd-party services; implementing Azure security; monitoring, optimizing, and troubleshooting Azure solutions. The details of these topic areas are enumerated below:
Develop Azure Solutions: 25-30%
- Implementing Infrastructure-as-a-Service (IaaS) Solutions: the candidates are required to possess competence in providing virtual machines; configuring virtual machines for remote access; creating ARM templates; publishing images to Azure Container Registry; creating container images for solutions with the use of Docker; running containers with the use of Azure Container Instances when Azure Kubernetes Services are not within scope.
- Implementing Azure Functions: this covers skills, such as implementing output and input binding for functions; implementing function triggers with the use of data operations, webhooks, and timers; implementing Azure Durable Functions.
- Developing Azure Application Service Web Applications: this requires skills in developing Azure App Service Web Apps; allowing diagnostics logging; deploying code to web apps; configuring web app settings, which include connection strings, API, and SSL; implementing auto-scaling rules such as scheduled auto-scaling and scaling by a system or operational metrics.
Microsoft Developing Solutions for Microsoft Azure Sample Questions (Q262-Q267):
NEW QUESTION # 262
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 function.json file, change the value of the type option to queueScaling
- B. Convert the Azure Function to the Premium plan
- C. In the host.json file, decrease the value of the option
- D. Convert the trigger to Azure Event Hub
Answer: B
Explanation:
Explanation
With the Premium plan the max outbound connections per instance is unbounded compared to the 600 active (1200 total) in a Consumption plan.
Note: The number of available connections is limited partly because a function app runs in a sandbox environment. One of the restrictions that the sandbox imposes on your code is a limit on the number of outbound connections, which is currently 600 active (1,200 total) connections per instance. When you reach this limit, the functions runtime writes the following message to the logs: Host thresholds exceeded:
Connections.
Reference:
https://docs.microsoft.com/en-us/azure/azure-functions/manage-connections
https://docs.microsoft.com/en-us/azure/azure-functions/functions-scale#service-limits
NEW QUESTION # 263
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. No
- B. Yes
Answer: A
Explanation:
Explanation
Instead 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.
Note: Large, long-running functions can cause unexpected timeout issues. General best practices include:
Whenever possible, refactor large functions into smaller function sets that work together and return responses fast. For example, a webhook or HTTP trigger function might require an acknowledgment response within a certain time limit; it's common for webhooks to require an immediate response. You can pass the HTTP trigger payload into a queue to be processed by a queue trigger function. This approach lets you defer the actual work and return an immediate response.
Reference:
https://docs.microsoft.com/en-us/azure/azure-functions/functions-best-practices
NEW QUESTION # 264
You develop an ASP.NET Core MVC application. You configure the application to track webpages and custom events.
You need to identify trends in application usage.
Which Azure Application Insights Usage Analysis features should you use? To answer, drag the appropriate features to the correct requirements. Each feature 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.
Answer:
Explanation:
Reference:
https://docs.microsoft.com/en-us/azure/azure-monitor/app/usage-impact
NEW QUESTION # 265
You develop a solution that uses an Azure SQL Database to store user information for a mobile app.
The app stores sensitive information about users.
You need to hide sensitive information from developers that query the data for the mobile app.
Which three items must you identify when configuring dynamic data masking? Each correct answer presents a part of the solution.
NOTE: Each correct selection is worth one point.
- A. Table
- B. Index
- C. Schema
- D. Trigger
- E. Column
Answer: A,C,E
Explanation:
Explanation
In the Dynamic Data Masking configuration page, you may see some database columns that the recommendations engine has flagged for masking. In order to accept the recommendations, just click Add Mask for one or more columns and a mask is created based on the default type for this column. You can change the masking function by clicking on the masking rule and editing the masking field format to a different format of your choice.
References:
https://docs.microsoft.com/en-us/azure/sql-database/sql-database-dynamic-data-masking-get-started-portal
NEW QUESTION # 266
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. No
- B. Yes
Answer: B
Explanation:
The session state provider for Azure Cache for Redis enables you to share session information between different instances of an ASP.NET web application.
The same connection can be used by multiple concurrent threads.
Redis supports both read and write operations.
The output cache provider for Azure Cache for Redis enables you to save the HTTP responses generated by an ASP.NET web application.
Note: Using the Azure portal, you can also configure the eviction policy of the cache, and control access to the cache by adding users to the roles provided. These roles, which define the operations that members can perform, include Owner, Contributor, and Reader. For example, members of the Owner role have complete control over the cache (including security) and its contents, members of the Contributor role can read and write information in the cache, and members of the Reader role can only retrieve data from the cache.
Reference:
https://docs.microsoft.com/en-us/azure/architecture/best-practices/caching
NEW QUESTION # 267
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