Which two statements about 802.1 x authentications with EAP are true? (Choose two)

Which two statements about 802.1 x authentications with EAP are true? (Choose two)
A . The supplicant and authenticator server send a one-time password to the authenticator
B . The authenticator server translates frames from the supplicant into a RADIUS message
C . The authenticator can cache the username and password from the authentication server to reduce traffic
D . The interface passes only EAPOL traffic until the client is authenticated
E . It uses EAPOL frames between the supplicant and the authenticator

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Answer: D E