THIS IS RELEVANT TO CA2020 (TC, TPS AND TPE ONLY).
The webcam should capture as much of your work area as possible however it is unlikely that there will be a position to capture everything, so you should aim to show as much of yourself, and your work area as is possible.
You must ensure that they are clearly visible to the camera and facing straight on as much as possible.
You should note that excessive or frequent periods out with the view of the camera will be flagged by Proctorio as a potential breach.