Task 1: Export and Analyze All Subscribers List Identify the count of Active , Unsubscribed , Bounced , and Held subscribers Task 2: Create and Import Subscribers with Custom Subscriber Keys Map Subscriber Key to Customer ID & Email Address to Email Address Create an import file with: Subscriber Key (Use a unique Customer ID instead of email) Email Address Status (Set all to Active) Import the file into All Subscribers Check if SFMC correctly maps the Subscriber Key instead of the email Task 3: Test Subscriber Status Changes Manually unsubscribe a subscriber from All Subscribers Try sending an email to that subscriber and verify if SFMC blocks the send Change the status back to Active and retry the send U nsubscribe a subscriber from All Subscribers Task 6: Explain Subscriber Key vs. Subscriber ID Write a short explanation (under 100 words) comparing the two Subscriber Key is a user-defined unique identifier. You (the marketer) choose this value (e.g...