Be transparent with this question, whether you are CPR and First Aid certified or not. If you are, bring your certification with you to the interview, regardless of whether your certificates are expiring soon. If you are not certified, express your willingness to do so before the desired hire date. However, the training crew members receive before boarding is typically thorough and often provided by Royal Caribbean International, and such training is revisited and ongoing. "New crew members are trained in emergency response procedures with specific training modules for each functional area. They also participate in ongoing drills and pre-departure safety training. CPR training in the morning followed by the weekly crew drill, during which crew members practice the ship's safety procedures."