2. 计算机
  3. Refer to the exhibit． What is the most appropriate summarization for these routes?

Refer to the exhibit． What is the most appropriate summarization for these routes?

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问题 Refer to the exhibit． What is the most appropriate summarization for these routes?
选项 A、        10．0．0．0 /21
B、        10．0．0．0 /22
C、        10．0．0．0 /23
D、        10．0．0．0 /24
答案B
解析 考点分析：这道题考的是子网的聚合。
10．0． 0 0 0 0 0 0 0 0 ．0
10．0． 0 0 0 0 0 0 0 1 ．0
10．0． 0 0 0 0 0 0 1 0 ．0
10．0． 0 0 0 0 0 0 1 0 ．0
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