Anexisting app is experiencing performance degradation because of multiple executions of multiple, expensive SQL read queries. This SQL code cannot be optimized any further and the frequency of the execution of the queries cannot be reduced. Which two options should an Architect recommend in this scenario?

A. Hardcode the results of the query into app logic

B. Add a read-only HerokuPostgres follower

C. Create a database caching layer

D. Restart the Heroku Postgres server to reclaim cache

A clientwants to use Heroku Connect to sync data bidirectionally between a Salesforce org and a Heroku Postgres database. In this scenario, which two are advantages to setting a custom External Identifier field in the Heroku Connect mapping? (Choose two.)

A. External IDs simplify the mapping of polymorphic relationships in the Salesforce org.

B. External IDs improve speed when inserting multiple related objects.

C. External IDs prevent the creation of orphaned duplicates in Heroku Postgres.

D. External IDs are required to enable bidirectional synchronization.

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.)

A. Create a follower database that uses the same plan as the leader.

B. Migrate the database toa Premium-tier plan.

C. Migrate the database to a larger Standard-tier plan.

D. Create a fork of the database that uses the same plan asthe leader.

4Universal Containers wants to help their dispatches determine the length of time a Work Order should last What should the Consultantimplement to help achieve this goal?

A. Operating Hours for Customer Accounts.

B. Work Types with an Estimated Duration.

C. Work Orders with Operating Hours

D. Work Types with Service Level Agreement.

A client is creating a new API application. The app should only be accessible from other apps that they deploy to Heroku. Also, traffic between the other apps and the API should not transit the publicinternet.
Which solution should an Architect recommend to meet these requirements?

A. Create the application in a Private Space with default options.

B. Create the application in a Private Space and restrict the application's set of trusted IP ranges.

C. Create the application with Internal Routing enabled, in a Private Space.

D. Create the application in a Shield Private Space to enforce stricter requirements for TLS termination.