对于一个C类网络,要划分出两个子网,每个子网里有31台计算机,则子网掩码是()
A.252.255.255.0
B.255.255.255.192
C.255.255.255.221
D.255.255.255.248
A.252.255.255.0
B.255.255.255.192
C.255.255.255.221
D.255.255.255.248
第1题
A.255.255.255.192
B.255.255.255.224
C.255.255.255.240
D.255.255.255.248
第3题
A.255.254.0.0
B.255.255.0.0
C.255.255.128.0
D.255.255.192.0
第4题
A.255.255.224.0
B.255.255.252.0
C.255.255.240.0
D.255.285.254.0
第5题
A.255.255.255.252
B.255.255.255.248
C.255.255.255.240
D.255.255.255.255
第6题
A.255.255.255.224
B.255.255.255.240
C.255.255.255.255
D.255.255.255.248
第7题
A.255.255.255.224
B.255.255.255.240
C.255.255.255.255
D.255.255.255.248
第8题
A.255.255.255.244
B.255.255.255.240
C.255.255.255.255
D.255.255.255.248
第9题
A.255.255.255.192
B.255.255.255.240
C.255.255.255.224
D.255.255.255.248
第10题
A.172.16.0.255
B.172.16.255.255
C.172.0.255.255
D.172.255.255.255
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