试题详情
- 单项选择题In the implementation of VLSM techniques on a network using a single Class C IP address，which subnetmask is the most efficient for point-to-point serial links？（）
A、255.255.255.240
B、255.255.255.254
C、255.255.255.252
D、255.255.255.0
E、255.255.255.248
- C
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