The entire list of recipients for a campaign is unavailable at the start of an A/B test. The final list of the recipients will be placed in the finalRecipients folder but they will be loaded by the time the A/B test is complete. To start the A/B test, a list of exclusive recipients is used for the initial deliveries in the folder testRecipients.
How should the Business Practitioner modify the workflow diagram?

Which two tasks can be performed to reduce the probability of a delivery being blocked or flagged as 'spam' by anti-spam tools? (Choose two.)

A new sample file is needed for a data loading process with a new layout. You have clicked auto detect format.
What step you should take?

The sent count is less than the upstream population. What are two reasons for this result? (Choose two.)

What is the advantage of using a string delimiter in the extraction file format?