A client wants to deconstruct a monolithic app into a collection of smaller apps which should be able to send HTTP requests to each other. The smaller apps should not be publicly accessible on the internet. Which Heroku Enterprise features should an Architect recommend to enable this architecture?

Universal Containers has implemented a Knowledge solution for Agents to provide Field Technicians with information necessary to complete assigned work.
Which two capabilities will now be available? (Choose two.)

DreamHouse Realty has a Salesforce deployment that manages Sales, Support, and Marketing efforts in a multi-system ERP environment. The company recently reached the limits of native reports and dashboards and needs options for providing more analytical insights.
What are two approaches an Architect should recommend? (Choose two.)

A phased Salesforce rollout is planned. Three deployments will be spread out over 12 months, and the requirements have been carefully documented.
An Architect needs to trace back configuration changes to the requirements.
Which two approaches should the Architect use? (Choose two.)

A client provisions a Heroku Postgres database in the EU region.
Which two services related to Heroku Postgres are located in the U.S.? (Choose two.)