A customer will provide a single daily file on the Marketing Cloud SFTP at 3 AM and needs an alert if the file is not present on time. The file needs to be: Imported into a staging data extension. Separated into two different data extensions.
Which workflow should meet these requirements?

Northern Trail Outfitters receives data from their point-of-sale system every night. The file is placed on their Enhanced FTP, but there is not a consistent time or naming convention for the file.
In which two ways should they set up their automation to import the data from the file on a nightly bais?
(Choose 2 answers)

A customer wants to automate the send of a monthly promotional email. The customer will upload an audience file to their account's Enhanced SFTP on a monthly basis on the 15th day of each month, expecting the email to be deployed upon completion of the import activity. However, if the 15th of the month falls on a Saturday or Sunday, the customer will provide the file on the Friday prior to the 15th and expect the promotional email to be sent on that Friday.
Which method should be used to automate their monthly promotional email?

A customer notices their open and click rates are very low.
Which two aspects of list hygiene should be recommended to improve engagement rates? (Choose 2 answers)

Northern Trail Outfitters (NTO) uses the SAP domain comms.nto.com and has just opened an office in Australia. They have created a business unit for their new office and want to use the domain comms.nto.com.au to send emails to their Australian customers.
What would be required to enable sending emails from their new domain without impacting deliverability?