<https://ccna7.org/2-3-2-6-packet-tracer-configuring-pap-and-chap-authentication/#breadcrumb>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://ccna7.org/2-3-2-6-packet-tracer-configuring-pap-and-chap-authentication/>