Raise your hand to signal the invigilator to turn off the music being played. According to the relevant information, you must exit all other applications except the exam platform before taking the dual-camera exam, such as WeChat, QQ, screen recording, music, video, etc. The dual-camera exam requires everyone to take the exam in a quiet environment without anyone coming or going. If there is noise during the process or others enter the exam area, you may be directly sentenced to cheating.