When a customer sends to a data extension where are list level unsubscribers recorded? Chose 2

A marketing team is using two systems to send emails. The team wants to maintain unsubscribe information between both of the systems. In order to remain compliant, they would like to update Marketing Cloud subscription status weekly based on unsubscribes from the other system.
Which solution should they use to maintain subscriber status?

When creating a custom email with the HTML Paste Editor, which feature can be inserted into the HTML code by using the Insert Tools? (Choose 2)

Northern Trail Outfitters (NTO) wants to simplify a journey that has a decision split prior to every email send to remove certain subscribers from the journey.
What should NTO do to simplify the journey?

How can a subscriber update their profile attributes?