单项选择题
某公司现有35台计算机,把子网掩码设计成多少最合适()
A.255.255.255.224
B.255.255.255.192
C.255.255.255.128
D.255.255.255.255
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单项选择题
A.255.255.255.224
B.255.255.255.192
C.255.255.255.128
D.255.255.255.255
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