试题详情
- 单项选择题You have a class C network, and you need to design it for 5 usable subnets with each subnet handling a minimum of 18 hosts each. Which of the following network masks should you use?（）
A、225.225.224.0.
B、225.225.240.0.
C、225.225.255.0.
D、255.255.255.224
E、225.225.255.240
- D
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