Sub-population A of 100 records and B of 200 records are combined in a campaign workflow with a Union activity. The resulting population C contains 200 records.
What should the Practitioner conclude?

Which workflow activity should be used to export data?

A campaign Business Practitioner is provided a text file of mobile phone types and their associated recipient email addresses. How should the campaign Business Practitioner build the workflow to begin to use the mobile phone type attribute in a targeting workflow?

A campaign requires multiple audience segments for the same delivery. What must be included in the campaign?

An insurance customer wants to send email deliveries based on the insurance policy users have bought. Email IDs related to insurance policies are stored in a custom schema.
What best practice should a business practitioner use when developing the target mapping for this scenario?