A customer wants to sync data between their Salesforce org and Heroku Postgres.
Which two limitations should an Architect remember when recommending Heroku Connect? (Choose two.)

Heroku add-ons are cool because they:

Universal Containers (UC) has expressed a desire to have encryption-at-rest enabled on their Heroku Postgres databases.
Which three tiers would UC need to use to have that feature enabled? (Choose three.)

Universal Containers (UC) wants to allow its developers to only use certain add-ons. UC enables Add-on Controls for Enterprise Teams and adds the add-ons they wish to allow to the list. There is an existing set of add-ons attached to applications, which are NOT on the list.
What happens to these add-ons?

Universal Containers wants to ensure that Service Appointments are only assigned to Active Resources. What configuration should a Consultant recommend for the Scheduling Policy?