Discussion :: Computer Networking
- Which of the following access lists will allow only HTTP traffic into network 196.15.7.0?
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A.
access-list 100 permit tcp any 196.15.7.0 0.0.0.255 eq www |
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B.
access-list 10 deny tcp any 196.15.7.0 eq www |
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C.
access-list 100 permit 196.15.7.0 0.0.0.255 eq www |
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D.
access-list 110 permit ip any 196.15.7.0 0.0.0.255 |
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Answer : Option A
Explanation :
The first thing to check in a question like this is the access-list number. Right away, you can see that the second option is wrong because it is using a standard IP access-list number. The second thing to check is the protocol. If you are filtering by upper-layer protocol, then you must be using either UDP or TCP; this eliminates the fourth option. The third and last answers have the wrong syntax.
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