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三句话简要介绍子网掩码
2022-07-06 16:16:00 【童 话】
IP地址由网络位和主机位组成。
子网掩码就是一串32位的二进制数字(比如11111111 11111111 11111111 00000000),与IP地址搭配使用,用于划分IP地址的网络位和主机位。
子网掩码中1的数量代表IP地址中网络位占用的位置数量,子网掩码中0的数量代表IP地址中主机位占用的位置数量。
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