Ann, a wireless customer, cannot access her email. A technician found that Ann lost access to her
email at the same time an update was pushed to all customers. Which of the following is the NEXT
troubleshooting step?

A.
Revert to last known good configuration on device

B.
Revert back to a previous state on the email server

C.
Verify that other customers cannot access email

D.
Reload Ann’s email client

Explanation: