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邮电通讯系统 2022-08-07 44 0star收藏 版权: . 保留作者信息 . 禁止商业使用 . 禁止修改作品
子网掩码的长度也是32位,左面是网络位,用二进制数字“1”标明,1的数目等于网络位的长度;右边是主机位,用二进制数字“0”标明,0的数目等于主机位的长度

(The length of the subnet mask is also 32 bits. The left side is the network bit, which is marked with a binary number "1", and the number of 1 is equal to the length of the network bit; the right side is the host bit, which is marked with a binary number "0", and the number of 0 is equal to the host. bit length)

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