问题
单项选择题
VLSM的含义是（）
A.VariableLength Subnet Masking
B.VariableLength Shortest Masking
C.VeryLong/ Shortest Masking
D.VariableLong Subnet Masking
答案
参考答案：A
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VLSM的含义是（）
A.VariableLength Subnet Masking
B.VariableLength Shortest Masking
C.VeryLong/ Shortest Masking
D.VariableLong Subnet Masking
参考答案：A