What action is required by the pilot of an aircraft station if he/she is unable to establish radio contact with an aeronautical station ?

Question

Domanda PPL(A) - Licenza Pilota Privato (Aerei) - Comunicazioni in inglese

QuizVDS · Accepted Answer

Divert to the alternate airport

QuizVDS · Answer

Try to establish communication with other aircraft or aeronautical stations

QuizVDS · Answer

Squawk mode A code 7500

QuizVDS · Answer

Land at the nearest aerodrome appropriate to the route of flight

Id 104 - ppl(A) - What action is required by the pilot of an aircraft station if he/she is unable to establish radio contact with an aeronautical station ?