What is required on an email message by the United States CAN-SPAM Act? (Choose 2)

Northern Trail Outfitters wants to report on subscribers who did not receive emails that were included in the sending audience.
Which tool should provide a list of subscribers who didn't receive the expected emails?

Which feature would a marketer use to build a Send Classification? (Choose 2)

A marketer wants to delete subscribers from a data extension if the records are older than 30 days. How should the marketer accomplish this task?

NTO email teams creating a reusable content block for its deals to run with campaign, NTO
will cross promote these campaign in other emails in a single column content area this content
will have one Image with text below it, how can the NTO email team create one content area
and reuse it across other emails using content builder without writing any custom html.