以下4种路由中，（）路由的子网掩码是255.255.255.255.

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='30194' and id < 2442040 and id<>'2442040' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30194' and id > 2442040 and id<>'2442040' order by id asc limit 5