2. 计算机
  3. Given an IP address 172．16．28．252 with a subnet mask of 255．255．240．0, what is the correct network addres?

Given an IP address 172．16．28．252 with a subnet mask of 255．255．240．0, what is the correct network addres?

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问题 Given an IP address 172．16．28．252 with a subnet mask of 255．255．240．0, what is the correct network addres?
选项 A、        172．16．16．0
B、        172．16．24．0
C、        172．16．0．0
D、        172．16．28．0
答案A
解析 求网段的网络地址，即此网段的第一个IP地址
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