2. 计算机
  3. In a Ezonexam network that supports VLSM, which network mask should be used for point-to-point WAN links in order to reduce wast

In a Ezonexam network that supports VLSM, which network mask should be used for point-to-point WAN links in order to reduce wast

admin2009-05-19  16
问题 In a Ezonexam network that supports 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
F. None of the above
选项
答案B
解析 Explanation:
A 30-bit mask is used to create subnets with two valid host addresses. This is the exact number needed for a point-to-point connection.
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