Passed Exam Today Heroku-Architect

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Question 16

A client wants to migrate their on-premise application to Heroku. The application maintains a local, in-memory cache for its datastore to improve performance.

What should an Architect advise the client about running the application on Heroku?

Options:

The application should declare its in-memory cache as a separate process type to preserve it across deploys.

All of the application'sweb dynos will share a single in-memory cache.

The application should replicate its in-memory cache to a local disk to preserve it across deploys.

The application's in-memory cache might be cleared at any time.

Question 17

A client wants to create a set of applications that all communicate with each other.Only one of the applications should be accessible from the public internet. This application will act as an API gateway and route requests to the interbak applications using HTTPS. Which architecture should an Architect recommend?

Options:

Create all of the appsin a Private Space. Configure the Private Space's trusted IP ranges to only permit requests from within the Private Space

Create the API gateway application in the Common Runtime. Create all of the internal apps in a Private Space.

Create all of theapps in the Common Runtime. Ensure that the internal apps do not define a web process type.

Create all of the apps in a Private Space Create the internal apps with Internal Routing enabled. Create the gateway app as a web app

Question 18

Universal Containers experienced an outage with their production Heroku Postgres database due to a fault with the underlying infrastructure. The database was unavailable for an hour. The database is on the Standard-0 plan.

Which two actions should an Architect recommend to mitigate such database failures and outages in the future? (Choose two.)