What does the system administrator see when making requests?

Question

Information Security

If my PC and no tracking devices or software are installed on it, what does the admin see when making requests to sites with https?
For example:
support.google.com
translate.google.com
adwords.google.com
and so on.
Can you see only the IP of the server or both the domain or the exact URL of the page from the site? Is it possible to understand the video there or the audio by the amount of traffic?

Answer 1

He will see the packets, of course. From whom and to whom. Well, DNS queries.

Answer 2

For example, he can see What does the system administrator see when making requests?
Or https://yandex.ru/yandsearch?text=%D0%BA%D0%B0%D0%...