A.对
B.错
[判断题]QQ的TCP的端口号为8000。( )A.对B.错
[判断题]QQ的TCP的端口号为8000。( )A.对B.错
[判断题]QQ的TCP的端口号为8000。( )A.对B.错
[判断题]QQ的TCP的端口号为8000。( )A.对B.错
[判断题]QQ的TCP的端口号为8000。( )A.对B.错
[判断题]QQ的TCP的端口号为8000。()对错A.对B.错
[判断题]QQ的TCP的端口号为8000。()对错A.对B.错
[单选题]默认Web站点的TCP端口号为()。A . 21B . 25C . 80D . 8080
[问答题] HTTP连接默认的TCP端口号为