Which of the following is an example of a standard IP access list?

access-list 110 permit host 1.1.1.1
access-list 1 deny 172.16.10.1 0.0.0.0
access-list 1 permit 172.16.10.1 255.255.0.0
access-list standard 1.1.1.1

Correct Answer: access-list 1 deny 172.16.10.1 0.0.0.0

Explanation:

Standard IP access lists use the numbers 1-99 and 1300-1999 and filter based on source IP address only. Option C is incorrect because the mask must be in wildcard format.

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