<P>which of the following addresses can be assigned to a host when using a subnet mask of 255.255.254.0?(select three)</P><P>A.113.10.4.0</P><P>B.186.54.3.0</P><P>C.175.33.3.255</P><P>D.26.35.3.255</P><P>E.152.135.7.0</P><P>F.17.35.36.0</P><P>ANSWER:B.C.E</P><P>该题目中的mask为/23,也就是说最后面的9位,不能全为0或者全为1(这样理解是正确的吧?);</P><P>这样说来c选项应该是错误的!?</P><p>[此帖子已被 tianyesoft 在 2006-8-1 12:07:00 编辑过]