Question: In response to a SELECT ITEM command with a '0X' result value, what does the Mobile Equipment (ME) supply in the Item identifier data object?
Option 1: The identifier of the item selected by the user
Option 2: The list of all available items for selection
Option 3: An error code indicating invalid selection
Option 4: The default item set by the SIM
Explanation: When the ME successfully responds to a SELECT ITEM command (indicated by a '0X' result value), it provides the identifier of the item chosen by the user, ensuring accurate processing by the SIM.