When designing a Heroku application, which two approaches observe the Twelve-Factor methodology? Choose 2 answers.

• A.On deployment, Heroku fetches and installs any dependencies that are missing according to the application's list of dependencies
• B.On startup, the application's source code fetches and installs any dependencies that are missing according to the application's list of dependencies.
• C.The application's database configuration is stored in the application's Profile
• D.The application's database configuration is stored in the application's config vars.

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Which Is an effect of "locking" an application that belongs to a Heroku Enterprise Team?

• A.Members of the Enterprise Team cannot be granted new permissions for the application until it's unlocked.
• B.The application cannot be deployed until is unlocked.
• C.New members of the Enterprise Team are granted no automatic permissions for the application.
• D.Members of the Enterprise Team who are not administrators have their permissions for the application revoked.

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Which three actions can a user perform on an app in a Heroku Enterprise Team, if that user has been granted only the "deploy" permission for that app? Choose 3 answers.

• A.Provision an add-on with a free plan
• B.Manage the app's config vars.
• C.Transfer the app to another Enterprise Team.
• D.Roll back a release

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A client wants to create a scalable set of microservices that communicate with each other, where multiple microservices have a public REST API.
Which architecture strategy allows this on Heroku?

• A.Each microservice is a separate Heroku app. The microservices communicate by using Apache Kafka as a message bus.
• B.Each microservice is a separate process type in a single Heroku app. The microservices communicate by using Redis as a message bus.
• C.Each microservice is a separate private space. The microservices communicate by using DNS Service Discovery.
• D.Each microservice is a separate process in a single Heroku app. The microservices communicate by using shared memory.

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Universal Containers needs to integrate three separate apps: a Salesforce app, an app developed to Heroku, and a custom-built app hosted on-premise. Each app needs to send and receive data from any of the other apps. Which two integration options should an Architect recommend that can connect all three systems in a fire-and-forget pattern? Choose 2 answers.

• A.Publish and subscribe to Salesforce platform events
• B.Use Heroku External Objects as a data proxy
• C.Use Heroku Connect to synchronize all systems with Heroku Postgres
• D.Publish and subscribe to topics on Apache Kafka on Heroku

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