Develop Azure compute solutions

You are implementing an Azure Durable Functions application that processes orders. The function must call three external APIs (payment gateway, inventory system, and shipping calculator) in parallel, then aggregate the results once all three have completed. Which Durable Functions pattern should you use?

A company uses Azure Functions with a consumption plan. The function processes messages from a queue. During peak hours, the function takes longer to execute, and some messages are processed twice. What is the most likely cause?

You are deploying a Node.js application to Azure Web Apps for Containers. The application needs to read configuration settings from Azure App Configuration. What is the recommended method to securely connect the app to the configuration store?

You are implementing an order processing system using Azure Durable Functions. The function must send notifications to multiple channels (email, SMS, push) in parallel and wait for all to complete before sending a confirmation. Which Durable Functions feature should you utilize?

You are deploying a sensitive configuration to Azure Container Instances. The configuration must be encrypted at rest and not visible in the container logs. What should you use?

A company deploys a web application to Azure App Service. They want to deploy a new version of the app with zero downtime and the ability to quickly roll back if needed. Which deployment feature should they use?

A company deploys a stateful application as a container in Azure Container Instances (ACI). They need persistent storage that can be shared across multiple container instances and retain data after container restarts. Which volume mount should they use?

A company deploys an Azure Function app that processes orders. The function needs to scale out automatically when the queue length grows and be billed only for execution time. Which hosting plan should you use?

You deploy a containerized application on Azure Container Instances (ACI). The application writes data that must persist across container restarts and be accessible from multiple instances. Which volume mount should you configure?

You deploy a web application to Azure App Service. You need to deploy a new version of the application without downtime and have the ability to test the new version before switching traffic. Which feature should you use?

You develop an Azure Functions app that processes images triggered by blob uploads. You need to ensure the function can process images in parallel and handle high upload volumes without missing events. Which trigger and plan combination is recommended?

You deploy a containerized application to Azure Container Instances (ACI). The application writes logs that must persist across container restarts and be accessible from a file system. The solution must minimize cost and complexity. Which configuration should you use?

You develop a serverless application using Azure Functions. The function must process images uploaded to a blob container. You need to ensure the function runs only when a new blob is created, and that it scales out automatically for high upload volumes. Which trigger and hosting plan combination should you use?

You are deploying a background processing job that reads messages from an Azure Storage Queue. The job must run on the same compute resources as the main web application and must not require additional deployment or monitoring overhead. Which solution should you use?

You need to deploy a container that runs a simple web server on Azure Container Instances. The container should be accessible via a public IP address. Which property should you set in the container group configuration?

You are deploying a Docker container to Azure Container Instances (ACI). The container must use GPU resources for machine learning inference. You need to select the appropriate option to provision GPU-enabled containers. What should you do?

You are deploying a containerized application to Azure Container Instances. The application requires a custom domain name and SSL/TLS termination. You need to configure these features. Which resource should you create alongside the container group?

You develop an Azure Function app that processes orders. The function must write order status updates to a database. You need to ensure that if the function fails after writing to the database, the order is not lost and can be retried. Which pattern should you implement?

You are building a serverless image-processing solution using Azure Functions. The function must automatically run whenever a new image is uploaded to a blob container and must scale out to handle high upload volumes. Which trigger and hosting plan should you use?

You deploy a container to Azure Container Instances (ACI). The container runs a background job that should automatically restart only if it exits with a non-zero exit code (i.e., crashes). You want to minimize costs. Which restart policy should you configure?

You are deploying a containerized application to Azure Container Instances (ACI). The application writes temporary data to a local disk that must persist across container restarts (e.g., after a crash). Which configuration should you use?

You are developing an Azure Function that runs on a Consumption Plan. The function calls an external API that enforces a rate limit of 10 requests per second. When the function scales out to multiple instances, you must ensure the rate limit is not exceeded. Which pattern should you implement?

You deploy a containerized background job to Azure Container Instances (ACI). The job should automatically restart only if it exits with a non-zero exit code (i.e., crashes). You want to minimize costs. Which restart policy should you configure?

You are developing an Azure Function that processes messages from an Azure Service Bus queue. The function uses a Service Bus queue trigger and runs on a Consumption Plan. The queue receives a high volume of messages in bursts. You need to ensure that the function scales out to handle the load but does not exceed 10 concurrent instances. Which configuration should you apply?

You deploy a containerized web application to Azure Container Instances (ACI). The application writes session data to a local directory. You need the data to persist across container restarts (e.g., after a crash or redeployment). Which storage configuration should you use?

You are developing an Azure Function that uses a Service Bus queue trigger. You need to ensure that the function processes messages one at a time to guarantee order. Which configuration should you use?

You have an Azure Function with a Service Bus queue trigger. The function processes messages that must be handled in order within each partition of the queue. You need to ensure that the function does not process multiple messages from the same partition concurrently, while still allowing parallel processing across different partitions. Which setting should you configure?

You are developing a solution that needs to run a background task every 10 minutes to clean up temporary files in Azure Blob Storage. You want to use Azure Functions with the Consumption Plan to minimize cost. Which trigger type should you use?

You are deploying a batch processing application to Azure Container Instances (ACI). The application processes multiple files from an Azure Blob Storage container and writes results to another container. Each container instance processes a single file and then exits. The processing logic is written in a Docker image that reads input and output connection strings from environment variables. You need to configure the container group so that it writes the results to the output container durably and efficiently. The environment variables must be provided at runtime but must not be exposed in the ACI configuration. Which approach should you use?

You are developing a solution that needs to perform a multi-step workflow. The workflow involves calling several third-party APIs, and some steps may require waiting for a human approval via email. The workflow may run for hours. You want to use Azure Functions to implement this orchestration. Which Azure Functions feature should you use?

You are deploying a containerized application to Azure Container Instances (ACI). The application requires a connection string to an Azure SQL Database. The connection string contains a password that is stored as a secret in Azure Key Vault. The container image expects to read the connection string from an environment variable named SQL_CONNECTION_STRING. You want to pass the secret securely without embedding it in the YAML deployment file and without modifying the container image. The ACI container group will use a system-assigned managed identity that has access to the Key Vault secret. Which approach should you use?

You have implemented a long-running order processing workflow using Azure Durable Functions. The orchestration may run for hours and involves multiple activity functions. You need to monitor the status of all running orchestrations and receive alerts when an orchestration fails. Which approach provides the most comprehensive and real-time monitoring?

You are deploying a new version of an ASP.NET Core web application to Azure App Service. You want to test the new version with a subset of users before making it available to everyone. You also need to be able to switch back instantly if issues are found. Which App Service feature should you use?

You have an Azure App Service web app that experiences fluctuating traffic. During peak hours, the CPU usage reaches 90% and response times increase. You want to automatically scale out the number of instances when CPU usage exceeds 75% and scale in when it drops below 25%. The scaling should be gradual to avoid thrashing. Which configuration should you use?

You need to execute a PowerShell script every night to clean up unused resources in your Azure subscription. The script should run with a specific service principal identity that has the necessary permissions. You want a serverless solution with minimal management overhead. Which Azure service should you use?

You are implementing a Durable Functions orchestration that calls an activity function which may fail transiently. You want to retry the activity up to 3 times with a 5-second delay and exponential backoff. Which code snippet should you use?

You are deploying a container group to Azure Container Instances that runs a stateful application. The application writes data to the /data directory. You need to ensure that the data is preserved if the container restarts. Which volume mount type should you use?

You are implementing an Azure Durable Functions orchestration. The orchestration calls several activity functions that may fail transiently. You need to retry an activity up to 3 times with a 5-second delay, doubling the delay each time (exponential backoff). Which method should you use to call the activity?

You deploy a containerized application to Azure Container Instances (ACI). The application writes state to the /data directory. You need to ensure that if the container restarts, the data persists. Which type of volume mount should you use?

You have a Durable Functions orchestration that calls an activity function which may throw an exception due to a transient network issue. You want to retry the activity up to 3 times with a 2-second delay between attempts and exponential backoff. Which method should you use in the orchestrator function?

You deploy a container to Azure Container Instances. The container needs to persist data when it restarts. You mount an Azure Files share to a directory inside the container. Which volume type is this?

An Azure Functions image resize worker must run for up to 30 minutes and uses a VNet integration feature. The team wants serverless scaling without managing virtual machines. Which hosting plan should be used?

A containerized checkout API deployed to Azure Container Apps must scale to zero when idle and scale out based on queue length. What should the developer configure?

A web app for a claims processing function needs separate staging and production environments. The team must warm up the new version before swapping traffic. Which App Service feature should be used?

An Azure Functions document rendering job processes Service Bus messages. The function sometimes fails after partially completing work. Which two practices improve correctness?

A IoT command API runs in Azure App Service and must call a private API hosted inside a virtual network. Which feature allows outbound access from the app to the VNet?

A Durable Functions workflow for a booking backend must call five independent activity functions and continue only after all results are available. Which pattern is appropriate?

An Azure Container Instance running a webhook processor requires a password at startup. The password must not be visible in the portal or container logs. What should be used?

A report export service hosted on App Service returns intermittent 502 errors during deployment. The team wants zero-downtime release with validation before traffic moves. What should be implemented?

A Kubernetes-based image resize worker on AKS must pull images from Azure Container Registry without storing registry passwords in Kubernetes secrets. What should be used?

A checkout API uses Azure Functions with HTTP triggers. The developer wants to reject unauthenticated calls before function code executes. Which feature should be configured?

A long-running claims processing function must process thousands of independent files. The developer wants status tracking, checkpoints, and replay-safe orchestration. Which Azure Functions capability should be used?

A document rendering job in Azure App Service must safely access Key Vault secrets without connection strings in configuration. Which two steps are required?

An Azure Functions IoT command API must run for up to 30 minutes and uses a VNet integration feature. The team wants serverless scaling without managing virtual machines. Which hosting plan should be used?

A containerized booking backend deployed to Azure Container Apps must scale to zero when idle and scale out based on queue length. What should the developer configure?

A web app for a webhook processor needs separate staging and production environments. The team must warm up the new version before swapping traffic. Which App Service feature should be used?

An Azure Functions report export service processes Service Bus messages. The function sometimes fails after partially completing work. Which two practices improve correctness?

A image resize worker runs in Azure App Service and must call a private API hosted inside a virtual network. Which feature allows outbound access from the app to the VNet?

A Durable Functions workflow for a checkout API must call five independent activity functions and continue only after all results are available. Which pattern is appropriate?

An Azure Container Instance running a claims processing function requires a password at startup. The password must not be visible in the portal or container logs. What should be used?

A document rendering job hosted on App Service returns intermittent 502 errors during deployment. The team wants zero-downtime release with validation before traffic moves. What should be implemented?

A Kubernetes-based IoT command API on AKS must pull images from Azure Container Registry without storing registry passwords in Kubernetes secrets. What should be used?

A booking backend uses Azure Functions with HTTP triggers. The developer wants to reject unauthenticated calls before function code executes. Which feature should be configured?

A long-running webhook processor must process thousands of independent files. The developer wants status tracking, checkpoints, and replay-safe orchestration. Which Azure Functions capability should be used?

A report export service in Azure App Service must safely access Key Vault secrets without connection strings in configuration. Which two steps are required?

An Azure Functions image resize worker must run for up to 30 minutes and uses a VNet integration feature. The team wants serverless scaling without managing virtual machines. Which hosting plan should be used? The design must avoid adding custom operational scripts.