2. 计算机
  3. The network administrator needs to address seven LANs． RIP version 1 is the only routing protocol in use on the network and subn

The network administrator needs to address seven LANs． RIP version 1 is the only routing protocol in use on the network and subn

admin2019-04-08  10
问题 The network administrator needs to address seven LANs． RIP version 1 is the only routing protocol in use on the network and subnet 0 is not being used． What is the maximum number of usable IP addresses that can be supported on each LAN if the organization is using one class C address block?
选项 A、        8
B、        6
C、        30
D、        32
E、        14
答案C
解析 需要7个网段，加上不可用的0网段一共8个网段，每个网段有32个IP地址，去掉两个不可用的，答案30。
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