The radar controller is transmitting: 'Confirm squawk'. What does he mean?

Question

Question ATPL - Airline Transport Pilot license - VFR Communications

QuizVDS · Accepted Answer

The controller wants to know which code is set on the transponder.

QuizVDS · Answer

The controller requests the registration of the aircraft.

QuizVDS · Answer

The controller wants you to transmit your bearing.

QuizVDS · Answer

The controller wants you to repeat your last transmission once again.

Id 61 - ATPL - The radar controller is transmitting: 'Confirm squawk'. What does he mean?