如果一个公司有2000台主机，则必须给它分配（ ）个C类网络。为了使该公司网络在路由表中只占一行，指定给它的子网掩码应该是（ ）。
问题1选项
A.2
B.8
C.16
D.24
问题2选项
A.255.192.0.0
B.255.240.0.0
C.255.255.240.0
D.255.255.248.0
正确答案及解析
正确答案
解析
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