题目内容

What is the maximum number of IP addresses that can be assigned to hosts on a Ezonexam subnet that uses the 255.255.255.224 subnet mask？

A. 14
B. 15
C. 16
D. 30
E. 31
F. 32

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中国四大宗教有佛教、道教、伊斯兰教、______。

A—United Nations Environment Programme B—World Health Organization
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