退订WLAN自动认证业务何时生效？
参考答案：
退订WLAN自动认证专属资费后，当月仍可享受自动认证体验，次月生效。
腹大胀满，或见青筋暴露，面色晦滞，唇紫，口干而燥，心烦失眠、时或鼻衄，牙龈出血，小便短少，舌质红绛少津，苔少或光剥，脉弦细数，宜选方
A．寒战发热伴有咳嗽气急、胸痛等症
B．冬春
C．寒热往来，汗出热退，休作有时为特征
D．春夏
E．夏秋
A socket is basically an end point of a communication link between two applications. Sockets that extend over a network connect two or more applications running oncomputers attached to the network. A sockettwo addresses:. Sockets provide acommunication channel between one or more systems. There aresockets separately using TCP and UDP.
A．E-mail address and IP address
B．MAC address and port address
C．MAC address and IP address
D．port number and IP address
