Northern Trail Outfitters (NTO) has a small catalog of items featured in company emails. The NTO marketingD18912E1457D5D1DDCBD40AB3BF70D5D team manages what images, copy, suggested items, and call-to-action are used with each item in this catalog within a database. This data is saved into a data extension in Marketing Cloud and then called into the emails dynamically.
Each time a change is made to the content, a new, updated file is dropped on NTO's SFTP. A proof email is then sent to business stakeholders for final approval.
Using Automation Studio, how can NTO ensure that the catalog stays up-to-date?

How can AMPscript customize email messages?

A marketer sent a promotional email to contacts who recently attended a trade show. The data extension used for the send contained 3,100 records. The delivery rate on the send was lower than anticipated. After viewing tracking information, she determined many email addresses were problematic.
Which send tracking metric provides the bounce description "Address is non-existent at the domain"?

Northern Trail Outfitters uses an automation to process and report sales agents' weekly data extensions. All sales agents' data is needed for the automation's created report to be correct. Some agents have not been creating their data extensions in time.
Which step prevents the automation from completing the automation instance and delivering an inaccurate report?

Northern Trait Outfitters is using a Smart Capture form on a CloudPage to capture contest registrations in a data extension. Corporate has requested a nightly file with all registrants in this data extension be sent daily from Marketing Cloud to an external SFTP.
Which automation configuration should be used to achieve this?