https://community.cisco.com/t5/network-security/implementing-device-hardening/m-p/4512686#M1085525 <P>I believe choices #1, 4 and 6 would be correct.</P> <P>References:</P> <P><A href="https://www.cisco.com/c/en/us/support/docs/ip/access-lists/43920-iacl.html" target="_blank">https://www.cisco.com/c/en/us/support/docs/ip/access-lists/43920-iacl.html</A></P> <P><A href="https://www.ietf.org/rfc/rfc2827.txt?number=2827" target="_blank">https://www.ietf.org/rfc/rfc2827.txt?number=2827</A></P> <P>&nbsp;</P> Fri, 03 Dec 2021 12:48:13 GMT Marvin Rhoads 2021-12-03T12:48:13Z https://community.cisco.com/t5/network-security/implementing-device-hardening/m-p/4512551#M1085516 <P>Hi Everyone,</P><P>&nbsp;</P><P>I am still confused with the answers. Can anyone help me to answer the question and tell me why please?</P><P>&nbsp;</P><P>&nbsp;</P><P>Cheers,</P><P>Gordon</P><P>&nbsp;</P> Fri, 03 Dec 2021 10:08:00 GMT https://community.cisco.com/t5/network-security/implementing-device-hardening/m-p/4512551#M1085516 gordonray661 2021-12-03T10:08:00Z https://community.cisco.com/t5/network-security/implementing-device-hardening/m-p/4512686#M1085525 <P>I believe choices #1, 4 and 6 would be correct.</P> <P>References:</P> <P><A href="https://www.cisco.com/c/en/us/support/docs/ip/access-lists/43920-iacl.html" target="_blank">https://www.cisco.com/c/en/us/support/docs/ip/access-lists/43920-iacl.html</A></P> <P><A href="https://www.ietf.org/rfc/rfc2827.txt?number=2827" target="_blank">https://www.ietf.org/rfc/rfc2827.txt?number=2827</A></P> <P>&nbsp;</P> Fri, 03 Dec 2021 12:48:13 GMT https://community.cisco.com/t5/network-security/implementing-device-hardening/m-p/4512686#M1085525 Marvin Rhoads 2021-12-03T12:48:13Z