05: Implement Azure Container Apps
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Questions and Answers

What are common uses of Azure Container Apps?

  • Creating mobile applications, managing IoT devices, hosting game servers, running desktop applications
  • Deploying blockchain networks, hosting e-commerce platforms, managing content delivery networks, running AI models
  • Deploying API endpoints, hosting background processing applications, handling event-driven processing, running microservices (correct)
  • Running virtual machines, managing databases, hosting static websites, processing big data

What can applications built on Azure Container Apps dynamically scale based on?

  • HTTP traffic, event-driven processing, CPU or memory load, any KEDA-supported scaler (correct)
  • User interactions, database queries, file I/O operations, network latency
  • Screen resolution, browser type, internet speed, RAM size
  • Operating system type, disk space, number of files, network bandwidth

What is a feature of Azure Container Apps related to traffic splitting?

  • Split traffic across multiple versions of an application for Blue/Green deployments and A/B testing scenarios (correct)
  • Redirect traffic to a single version of an application for load balancing
  • Combine traffic from multiple applications into a single endpoint for consolidated reporting
  • Block traffic from specific regions for security reasons

What can be used for secure internal-only endpoints with built-in DNS-based service discovery?

<p>Internal ingress and service discovery (B)</p> Signup and view all the answers

What can be used to manage applications in Azure Container Apps?

<p>Azure CLI extension, Azure portal, ARM templates (B)</p> Signup and view all the answers

What is a capability of Azure Container Apps related to container registry?

<p>Run containers from any registry, public or private, including Docker Hub and Azure Container Registry (ACR) (D)</p> Signup and view all the answers

What is a requirement when creating an environment for container apps in Azure Container Apps?

<p>Provide an existing virtual network (C)</p> Signup and view all the answers

What is a reason to deploy container apps to the same environment?

<p>To have applications share the same log analytics workspace (C)</p> Signup and view all the answers

What feature does Dapr integration provide for microservices in Azure Container Apps?

<p>Native Dapr integration (D)</p> Signup and view all the answers

What is a benefit of deploying different applications to the same virtual network in Azure Container Apps?

<p>Have applications share the same Dapr configuration (D)</p> Signup and view all the answers

What is a key aspect of microservice architectures in Azure Container Apps?

<p>Independent scaling, versioning, and upgrades (C)</p> Signup and view all the answers

What does Dapr provide for a system composed of microservices in Azure Container Apps?

<p>Observability and pub/sub (D)</p> Signup and view all the answers

When deploying container apps to different environments in Azure Container Apps, what is ensured?

<p>Two applications never share the same compute resources (B)</p> Signup and view all the answers

What is a reason to deploy container apps to different environments in Azure Container Apps?

<p>To ensure two applications never share the same compute resources (D)</p> Signup and view all the answers

What is a feature of Dapr integration for microservices in Azure Container Apps?

<p>Service-to-service invocation with mutual TLS (B)</p> Signup and view all the answers

What type of container images does Azure Container Apps support?

<p>Any Linux-based x86-64 container image (C)</p> Signup and view all the answers

What happens if a container crashes in Azure Container Apps?

<p>It automatically restarts (C)</p> Signup and view all the answers

How can you deploy images hosted on private registries in Azure Container Apps?

<p>By providing credentials in the Container Apps configuration (A)</p> Signup and view all the answers

What triggers a new container app revision in Azure Container Apps?

<p>Changes to the template ARM configuration section (A)</p> Signup and view all the answers

What is the benefit of running multiple containers in a single container app in Azure Container Apps?

<p>Implementing the sidecar pattern (D)</p> Signup and view all the answers

What type of container images can be used in Azure Container Apps?

<p>Any runtime, programming language, or development stack of your choice (A)</p> Signup and view all the answers

What is the purpose of defining multiple containers in a container app to implement the sidecar pattern?

<p>The containers share hard disk and network resources (A)</p> Signup and view all the answers

How can you deploy images hosted on private registries in Azure Container Apps?

<p>By providing credentials in the Container Apps configuration (B)</p> Signup and view all the answers

What is the benefit of running multiple containers in a single container app in Azure Container Apps?

<p>Implementing the sidecar pattern (A)</p> Signup and view all the answers

What is a limitation of Azure Container Apps in terms of running containers?

<p>It can't run privileged containers requiring root access (D)</p> Signup and view all the answers

What happens if a program in Azure Container Apps attempts to run a process that requires root access?

<p>The application inside the container experiences a runtime error (A)</p> Signup and view all the answers

What is the impact of attempting to run privileged containers in Azure Container Apps?

<p>Runtime error experienced by the application inside the container (A)</p> Signup and view all the answers

What type of identity provider does Azure Container Apps use for authentication?

<p>Federated identity providers (A)</p> Signup and view all the answers

When should the built-in authentication feature for Container Apps be used?

<p>Only with HTTPS (B)</p> Signup and view all the answers

What is the impact of enabling the allowInsecure setting on a container app's ingress configuration?

<p>Security vulnerability (B)</p> Signup and view all the answers

Where does the authentication and authorization middleware component run in Azure Container Apps?

<p>As a sidecar container on each replica (B)</p> Signup and view all the answers

What should be done to configure a container app for authentication?

<p>Enable the built-in authentication feature (C)</p> Signup and view all the answers

What is the purpose of federated identity providers in Azure Container Apps?

<p>Manage user identities and authentication flow (C)</p> Signup and view all the answers

What happens to every incoming HTTP request when the authentication and authorization middleware component is enabled?

<p>Passes through the security layer (C)</p> Signup and view all the answers

What is the recommended approach for providing authentication to users in Azure Container Apps?

<p>Use federated identity providers (A)</p> Signup and view all the answers

What is the default requirement for configuring a container app for authentication?

<p>HTTPS (A)</p> Signup and view all the answers

What is the role of federated identity providers in Azure Container Apps?

<p>Manage user authentication and validation (C)</p> Signup and view all the answers

How can you customize the revision name in Azure Container Apps?

<p>By setting the revision suffix (C)</p> Signup and view all the answers

In Azure Container Apps, what triggers the creation of a new revision for a container app?

<p>Updating the application with revision-scope changes (C)</p> Signup and view all the answers

How can you control which revisions are active in Azure Container Apps?

<p>By managing external traffic routed to each active revision (B)</p> Signup and view all the answers

What can be modified using the az containerapp update command in Azure Container Apps?

<p>Environment variables, compute resources, scale parameters, and deployed image (A)</p> Signup and view all the answers

What is the default method for creating a unique revision name in Azure Container Apps?

<p>Using a semi-random string of alphanumeric characters as a suffix (B)</p> Signup and view all the answers

What is the command to list all revisions associated with a container app in Azure Container Apps?

<p>az containerapp revision list (C)</p> Signup and view all the answers

How are secrets defined at the application level in Azure Container Apps?

<p>Using the --secrets parameter (C)</p> Signup and view all the answers

What should be done before deleting a secret in Azure Container Apps?

<p>Deploy a new revision that no longer references the old secret and deactivate all revisions that reference the secret (A)</p> Signup and view all the answers

How can secured values be referenced inside scale rules in Azure Container Apps?

<p>By referencing secured values inside scale rules (B)</p> Signup and view all the answers

What format should be used to reference a secret in an environment variable in the Azure CLI for Azure Container Apps?

<p>secretref: followed by the name of the secret (D)</p> Signup and view all the answers

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