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[单选题]
在一个C类地址的网段中要划分出32个子网,下面那个子网掩码最适合()
A.255.255.255.224
B.255.255.255.240
C.255.255.255.255
D.255.255.255.248
![](https://lstatic.shangxueba.com/sxbzda/h5/images/tips_org.png)
A.255.255.255.224
B.255.255.255.240
C.255.255.255.255
D.255.255.255.248
第1题
A.255.255.255.252
B.255.255.255.248
C.255.255.255.240
D.255.255.255.255
第3题
A.255.255.255.252
B.255.255.255.128
C.255.255.0.0
D.255.255.255.192
第9题
B.255.255.255.128
C.255.255.255.192
D.255.255.255.224
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