一条ACL配置问题refer to the exhibit .what will happen to HTTP traf
一条ACL配置问题
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 proccessed by this ACL.
下面为信息
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router#show access -lists
Extended IP access list 100
x0510 deny tcp 172.16.0.0 0.0.255.255 any eq telnet
x0520 deny tcp 172.16.0.0 0.0.255.255 any eq smtp
x0530 deny tcp 172.16.0.0 0.0.255.255 any eq http
x0540permit tcp 172.16.0.0 0.0.255.255 any
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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
题库给的答案是C
但是 30 deny tcp 172.16.0.0 0.0.255.255 any eq http 不是 已经说明 172.16.0.0/16 整个网段都
不允许么?
那么是选A 还是C