Free Salesforce Marketing-Associate Exam Questions

Northern Trail Outfitters is sending out email confirmations to customers each time their order has been received. A marketing associate has been tasked with setting up an automated Journey to fulfill this requirement. Which configuration option should the associate select to ensure this is a transactional send? 

Is it good practice or bad practice to use a simple journey to test your approach and gather baseline metrics before you add complexity?

Does the Marketing Cloud Architecture allow for Subscribers who do not have contacts?

Is it a good or a bad practice for email creation to never copy emails or create new emails, instead using an existing email as a template?

Which type of Contact attribute is the Link Click datapoint?