In network that support VLSM, which network mask should be used for point-to-point WAN links in order to reduce waste of IP addresses?（）
- A、/24
- B、/30
- C、/27
- D、/26
- E、/32
正确答案:B
答案解析:有
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In network that support VLSM, which network mask should be used for point-to-point WAN links in order to reduce waste of IP addresses?（）
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