2. 计算机
  3. The network administrator is asked to configure 113 point-to-point links．Which IP addressing scheme best defines the address ran

The network administrator is asked to configure 113 point-to-point links．Which IP addressing scheme best defines the address ran

admin2019-04-08  9
问题 The network administrator is asked to configure 113 point-to-point links．Which IP addressing scheme best defines the address range and subnet mask that meet the requirement and waste the fewest subnet and host addresses?
选项 A、        10．10．0．0/18 subnetted with mask 255．255．255．252
B、        10．10．0．0/25 subnetted with mask 255．255．255．252
C、        10．10．0．0/24 subnetted with mask 255．255．255．252
D、        10．10．0．0/23 subnetted with mask 255．255．255．252
E、        10．10．0．0/16 subnetted with mask 255．255．255．252
答案D
解析 113个point-to-point链路而不是IP。每个链路需要2个有效的IP地址，即2个主机位。113个需要7位，一共需要9位，所以掩码为23
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