Northern Trails Outfitters (NTO) developers want to use the Transactional Messaging API to send email receipts to customers.
What is the first step required to send using the API?

Contact Builder can be used to create a relational model of an organization's data within Marketing Cloud. Which three factors should be taken into consideration when preparing data to be used in Contact Builder? Choose 3 answer

Northern Trail Outfitters' account is configured with two child BU(s): US and Global. The account has a data extension In the Shared Data Extensions folder named 'MemberData'. This data extension contains basic address information, as well as Boolean fields labeled 'US' and 'Global' indicating to which business unit the subscriber belongs. Automation needs to be created in the US business unit to query all records in New York who are members of the business unit US.
SELECT * FROM MemberData WHERE State = 'NY' AND US = 1
What would cause this query to report the following error: "An error occurred while checking the query syntax. Errors: MemberData is not a known data extension or system data view. You can only query existing data extensions or system data views."?

Northern Trail Outfitters wants to trigger follow up messages after a subscriber opens an email.
What process would they use to get real-time engagement data?

A developer wants a link to be dynamic based on subscriber attributes. Rather than create numerous links, the developer uses AMPscript to set the link's value as a variable. The variable will be used within the <a> tag.
What should thedeveloper do within the <a> tag to ensure clicks are tracked for the variable? Choose 2