Which of the following is an example of a standard IP access list?a)ac...
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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Which of the following is an example of a standard IP access list?a)ac...
Explanation:
Standard IP Access List:
- Standard IP access lists are used to filter traffic based on the source IP address only.
- They are numbered from 1 to 99 and 1300 to 1999.
Example:
The correct example of a standard IP access list is:
access-list 1 deny 172.16.10.1 0.0.0.0
- This command denies traffic from the specific IP address 172.16.10.1.
- The wildcard mask 0.0.0.0 indicates that only traffic from that exact IP address should be denied.
Explanation of Other Options:
- Option (a) access-list 110 permit host 1.1.1.1 is an example of an extended access list, not a standard access list.
- Option (c) access-list 1 permit 172.16.10.1 255.255.0.0 is an example of a standard access list, but it permits traffic from the specified IP address range rather than denying it.
- Option (d) access-list standard 1.1.1.1 is not a valid command for creating a standard access list.
Therefore, option (b) access-list 1 deny 172.16.10.1 0.0.0.0 is the correct example of a standard IP access list as it denies traffic from a specific IP address with a wildcard mask.