An employee routinely exceeds their mobile data limit while syncing large email attachments and multimedia content to their smartphone. As an IT professional, which strategy would be the BEST to recommend in order to reduce the employee's data usage without significantly impacting their workflow?
Adjust the settings to only synchronize data when the calendar and email app is open and in the foreground.
Adjust synchronization settings to perform large data transfers only when connected to Wi-Fi.
Increase the employee's data cap by upgrading their cellular plan.
Turn off email synchronization completely to save data.
Remove the ability to receive email attachments on the mobile device.