Regarding the clone camera (also known as the shadow camera) on the intelligent vision platform, which of the following statement is correct? (Multiple Choice)

Regarding the clone camera (also known as the shadow camera) on the intelligent vision platform, which of the following statement is correct? (Multiple Choice)
A . The shadow camera can back up and view data, so that users can identify the shadow camera in the backup domain
B . The reason for making a shadow camera is that before using the backup function, you must first clone the camera that needs to back up data to the backup destination server
C . The shadow camera will be displayed in the list of settings on the " Device Management ", " Backup Management " and " Video Playback " pages of iClient of the backup domain master
D . The shadow camera can also provide live functions for viewing by the backup domain platform

Answer: ABC