Northern Trail Outfitters recently purchased Marketing Cloud to start running cross-channel campaigns. They are looking for guidance on which value to use as the subscriber key.
Which two options should the consultant recommend? (Choose 2 answers)

A publishing company presented the following: A need to send renewal reminders to customers whose subscribers expire in 7 days and 15 days. A campaign needs to created and managed by a general marketing user who will not have administrative rights and who is not technical. The customer's expiration data is included in the data filter.
Which three components should the customer's solution include?

Northern Trail Outfitters (NTO) plans to use Contact Builder to increase the scope of customer information they can see in an effort to establish more effective 1:1 relationships. Northern Trail Outfitters (NTO) has a separate instance of Sales Cloud serving as its current customer master database.
What two actions should be taken when using Contact Builder? (Choose two.)

Northern Trail Outfitters has master data extension of 880,000 subscribers they want to randomly split into 11 groups to test different messaging strategies.
How could this be accomplished?

Which three statements about Send Log Data is correct?