Zoom webinar attendee camera

In a recording of a webinar I recently attended, I saw that the cameras of some attendees were turned on and apparently were visible to the host throughout the meeting. How can I find out if my camera was on or off? I read somewhere that for attendees in a webinar, if there is a “video settings” button next to the “audio settings” button at the bottom of the screen, that means your camera is on. If I didn’t have a “video settings” option available, does this mean that my video was turned off?