In front-end intelligence, different modules correspond to different functions.
Which of the following statements is correct?

When the "Service Center and Service Communication Failure" alarm appears on the CSP interface, you will not be able to watch the video playback of the camera on the HoloSens iClient.

The commissioning of the video site includes: 1. Energy module commissioning; 2. Function module commissioning, 3. Camera commissioning. Which is the correct debugging sequence?

The information needed to establish a vehicle information file comes from vehicle video data.

To determine whether construction vehicles are allowed at a site, which of the following site survey elements need to be paid attention to?