You built a seed group with three records to test combinations of data during campaign proof testing. All fields required for personalization are populated with test data. But when you try to preview or proof launch a promotional email campaign, an errormessage states that the proof list is empty.
Why is this happening?

A published campaign has an issue that has halted campaign launches. Because of this issue, email notifications were sent to all the key stake holders regarding the failures. You have beencontacted to figure out exactly what the issue is, report the issue and if possible fix it.
How should you locate the campaign that is facing this issue?

Your profile list is named CONTACTS. Your supplemental table is ORDERS with a Data Extraction Key of CUSTOMER_ID_ and a Primary Key of ORDER_ID, with TOTAL_ORDER_DOLLARS as a column. You design acampaign to display the ORDER_ID and TOTAL_ORDER_DOLLARS with a default value of 0 (zero) from the ORDERS table for each recipient in the target audience from your CONTACTS list.
What happens if there are multiple matches (more than one ORDER_ID) for a CUSTOMER_ID?

You created a specific filter for the individuals that you want to send a campaign to.
What are the steps to define this filter to be used in a campaign?

You are working on a campaign to collect responses for 45 days.
How should you ensure that it closes 45 days after launch?