Multiple choice

The following commands were entered on a : Router(config)# access-list 2 deny 172.16.5.24 Router(config)# access-list 2 permit any The ACL is correctly applied to an interface. What can be concluded about the given set of commands?

  1. The wildcard mask 0.0.0.0 is assumed.

  2. The access list statements are misconfigured.

  3. All nodes on the 172.16.0.0 network will be denied access to other networks.

  4. No traffic will be allowed to access any nodes or services on the 172.16.0.0 network.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

When creating a standard access list without specifying a wildcard mask, IOS assumes the wildcard mask 0.0.0.0, which matches only the exact host address specified. This is a host-specific ACL. The wildcard mask must be explicitly stated to match a range of addresses. Option B is incorrect because the commands are valid. Options C and D are incorrect because only the specific host 172.16.5.24 is denied, not the entire network.

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