单选题Which protocol supports LDP sessions?（）ASIP (port 626)BTCP (port 646)CUDP (port 606)DIP (protocol code LDP)
单选题
Which protocol supports LDP sessions?（）
A
SIP (port 626)
B
TCP (port 646)
C
UDP (port 606)
D
IP (protocol code LDP)
参考解析
解析：
暂无解析
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