对下面4个回络: 110. 125. 129.0/24、 110. 125. 130.0/24、 110. 125.132.00和110.125.130.0/24进行路由汇聚，能覆盖这4个网络的地址是()
- A.110.125.128. 0/21
- B.110.125.128. 0/22
- C.110.125.130. 0/22
- D.110.125.132. 0/23
正确答案及解析
正确答案
解析
C不是网络地址，直接排除。A的范围是110.125.128.0-110.125.135.255；B的范围是110.125.128.0-110.125.131.255；D的范围是110.125.132.0-110.125.133.255。题干有两个110.125.130.0/24，但是可以直接排除BD,选择A。
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