The college online exam is about to open. The requirements for the online examination are as follows: Set the head photo as' All-in-One Card' or' Student ID' and name as real-name registration system. Enter the venue in advance during the exam, and adjust the camera: the camera is at least 1 m away from the examinee, so as to ensure that the video can see the situation around the examinee. Pay attention to the camera facing the students and the computer screen. Turn on video and voice throughout the exam, and try to keep the surrounding environment quiet.