Question: In which of the following scenarios is the Priority information element included by a mobile station supporting eMLPP?
Option 1: When the CM service type is SMS or USSD
Option 2: When the CM service type is Mobile terminating call establishment or Location Services
Option 3: When the CM service type is Mobile originating call establishment, Emergency call establishment, Voice group call establishment, or Voice broadcast call establishment
Option 4: When the CM service type is Fax or Data transmission
Explanation: The Priority information element is included by a mobile station supporting eMLPP to indicate the priority requested in specific scenarios. These scenarios include Mobile originating call establishment, Emergency call establishment, Voice group call establishment, and Voice broadcast call establishment, as these are the CM service types where this information element is meaningful.