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mirror of https://github.com/gnu4cn/ccna60d.git synced 2024-05-21 04:55:00 +08:00
This commit is contained in:
Peng Hailin 2016-08-31 10:37:53 +08:00
parent d8cf88ae92
commit ff73e1de48

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@ -429,25 +429,6 @@ C类地址 = 255.255.255.0
| 32 | | | | | | | | |
| 64 | | | | | | | | |
| 二进制位数 | 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 |
| -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 子网号 | | | | | | | | |
| 128 | | | | | | | | |
| 192 | | | | | | | | |
| 224 | | | | | | | | |
| 240 | | |为计算出主机所在的子网是哪一个 | | | | | |
| 248 | | | | | | | | |
| 252 | | | | | | | | |
| 254 | | | | | | | | |
| 255 | | | | | | | | |
| | 子网数 | 主机数-2 | | | | | | |
| 2 | | | 为计算出有多少个子网以及每个子网有多少台主机 | | | | | |
| 4 | | | | | | | | |
| 8 | | | | | | | | |
| 16 | | | | | | | | |
| 32 | | | | | | | | |
| 64 | | | | | | | | |
通过直接切入一个考试问题,可以更好的学习到子网划分。
`192.168.100.100/26` 是在那个子网中?