Which two integration options should an Architect recommend that can connect all three systems in a fire-and-forget pattern?

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 withHeroku Postgres
D . Publish and subscribe to topics on Apache Kafka on Heroku

Answer: A,D

Explanation:

https://devcenter.heroku.com/articles/dataclips