访问控制列表求解

UID: 105068 · 发表于 2012-3-5 09:55:38

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本帖最后由 sdwchow 于 2012-3-6 14:43 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.

router#show access-lists
Extended ip access-list 110
   10  deny tcp 172.16.0.0 0.0.255.255 any eq telnet
   20  deny tcp 172.16.0.0 0.0.255.255 any eq smtp
   30  deny tcp 172.16.0.0 0.0.255.255 any eq http
   40  permit tcp 172.16.0.0 0.0.255.255 any

UID: 69740 · 发表于 2012-3-5 10:05:33

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UID: 105068 · 发表于 2012-3-5 10:12:05

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UID: 105068 · 发表于 2012-3-5 10:16:04

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[已解决] 访问控制列表求解

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