How does the client know which eap method to use?

Hi all!

In analyzed some wireshark packages but could not find out how the station determines which eap methods are offerd by the authentication server (wpa2 enterprise).

My guess is that this information is given in the beacon frames, because when I select wifi A I am asked which authentication type I want to use (PWD, TLS, LEAP) for wifi B I see a password prompt and no options.

(I wanted to add some but I didn't find the feature)

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Maybe somebody could give me a hint.