An access list was written with the four statements shown in the graphic. Which single access list statement will combine all four of these statements into a single statement that will have exactly the same effect?
1、
【正确答案】
1、C
【答案解析】
用一个单独的语句来匹配上面写出的四条ACL,也就一一个汇总的问题,将172.29.16.0/24,172.29.17.0/24, 172.29.18.0/24, 172.29.19.0/24进行汇总,将他们的第3个八字节以二进制展开,相同的位作为他们的汇总的条目,然后计算他们的掩码位数为多少,所以这四个条目汇总到一个条目为172.29.16.0/22,掩码用通配符来写应该是0.0.3.255。
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