<https://ccna7.org/10-2-1-4-packet-tracer-configure-and-verify-ntp/>
<http://schema.org/name>
"10.2.1.4 Packet Tracer – Configure and Verify NTP - ICT Community"
<https://ccna7.org/10-2-1-4-packet-tracer-configure-and-verify-ntp/>