TCP/IP 模型中，Telnet 属于（）协议。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='27063' and id < 2243500 and id<>'2243500' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27063' and id > 2243500 and id<>'2243500' order by id asc limit 5