A customer has a requirement to create a web form that collects and stores unauthenticated users' email, first name, last name, and color preferences to an Adobe Campaign Classic database.
The users are identified using a double opt in process only.
What kind of structure should be used to save data coming from the web form?

What should a Campaign developer change to update the default time zone of the instance?

A client wants to use Amazon Redshift to install Adobe Campaign in a hybrid AWS environment to hold all customer data.
Which step must be taken to utilize this type of data?

A Campaign developer wants to allow users to pick values from a drop-down list within a form and allow users to enter values that may not be in the drop-down list.
How should the Campaign developer meet this requirement using enumeration?

A Campaign developer is configuring a direct mail delivery.
The Campaign developer selects "By data groupings" when configuring the control group sampling within the delivery.
What is the reason for this configuration?