Final answer:
In iOS, the settings that need to be configured for ActiveSync are Mail, Contacts, & Calendars.
Step-by-step explanation:
In iOS, the settings that need to be configured for ActiveSync are Mail, Contacts,& Calendars. ActiveSync is a protocol that allows iOS devices to synchronize data with a Microsoft Exchange Server. By configuring the Mail, Contacts, & Calendars settings, you can set up your device to synchronize your email, contacts, and calendars with the Exchange server