单选题Which protocol and port have been assigned by IANA for RADIUS authentication？（）AUDP/1812BUDP/1813CTCP/1812DTCP/1813
单选题
Which protocol and port have been assigned by IANA for RADIUS authentication？（）
A
UDP/1812
B
UDP/1813
C
TCP/1812
D
TCP/1813
参考解析
解析：
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