What is a webinar function In Zoom App?

Webiner is an optional service suitable for delivering video and audio to a large number of people, such as webinars and seminars.
It is suitable for instructors and panelists to communicate unidirectionally to a large audience, rather than two-way communication like meetings.
A maximum of 1000 people can participate in a two-way conference, but the webinar function allows a maximum of 10,000 people to participate.




What is the maximum number of people who can communicate in both directions when a webinar is held?
I want to use the webinar function.
I want to know the bandwidth usage per client of webinar viewers.
Can I see who was attending after the webinar was held?
I have purchased a webinar license, but I cannot schedule a webinar.

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