Ann, a user, wants to configure the email client on her newly purchased mobile device. Ann wants to ensure that the phone email client and the email server stay synchronized at all times, and that…

Ann, a user, wants to configure the email client on her newly purchased mobile device. Ann wants to ensure that the phone email client and the email server stay synchronized at all times, and that offline changes to the read status of an email will be synchronized once the phone is online. Which of the following should she configure?