pany is implementing 802.1X in order to increase network security. In the use of 802.1X access control， which three protocols are allowed through the switch port before authentication takes place？ （）
- A、 EAP-over-LAN
- B、 EAP MD5
- C、 STP
- D、 protocols not filtered by an ACL
- E、 CDP
- F、 TACACS+
正确答案:A,C,E
答案解析:有
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