In an IEEE 802.11 environment, what is one advantage of using EAP-TTLS instead of EAP-TLS as an authentication mechanism?

A.
EAP-TTLS sends encrypted supplicant credentials to the authentication server.

B.
EAP-TTLS supports smart card clients.

C.
EAP-TTLS does not require an authentication server.

D.
EAP-TTLS allows clients to authenticate to the server using passwords.

E.
EAP-TTLS supports mutual authentication between supplicants and authentication servers.