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[已解决] CCNA104.4 QUESTION 58

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发表于 2011-9-22 19:48:45 | 显示全部楼层 |阅读模式
本帖最后由 小乔 于 2011-9-24 16:25 编辑

Refer to the exhibit. What will happen to HTTP traffic coming from the Internet that is destined for
172.16.12.10 if the traffic is processed by this ACL.

A. Traffic will be dropped per line 30 of the ACL.
B. Traffic will be accepted per line 40 of the ACL.
C. Traffic will be dropped, because of the implicit deny all at the end of the ACL.
D. Traffic will be accepted, because the source address is not covered by the ACL.
Answer: C
Explanation/Reference:
ACL匹配规则:
自上而下匹配,一旦匹配则终止,没有匹配到的丢弃。
题目给的172是目的地址,表中ACL中172是源地址

那位高手能不能解释一下怎么看这个图啊?

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发表于 2011-9-24 16:24:56 | 显示全部楼层
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