In a calculation procedure, what is required for the output of a calculation step to be used in an aggregation step?

A developer needs to retrieve data from an external system that stores policy dat
a. The external system supports REST APIs to access and update the policies. Due to the volume of the policy data and peak hours of hours of business, calls to the REST APIs sometimes take longer than expected to response.
The developer creates an Integration Procedure to retrieve the policy data for use in an OmniScript.
Given the external system's knows performance issues, which configuration should be used to implement the call to the external system?
Choose 2 answers

In an Integration Procedure, a developer needs to perform a multi-step calculation on every element of an array.
Based on best practices, what two methods are recommended?
Choose 2 answers

A developer is creating a FlexCard for a new Community page. The FlexCard will display case information along with action to close the case and update the case. And it will be styled using the Community's theme.
What must be developer do to configure the FlexCard for deployment in a Community?

CORRECT TEXT
The card layout below has an Integration Procedure as a data source. The cards use the layout data source.

Which JSON data structure below supports this card layout and uses best practices.