Diego Heynes has completed the Cisco CCNA Routing and Switching: Routing and Switching Essentials course, earning a Certificate of Completion. The course provided hands-on training in basic switching concepts, enhanced switching technologies, dynamic and distance vector routing protocols, small network configuration and troubleshooting, VLANs, ACLs, DHCP, DNS, and NAT. Cisco's CEO congratulated Diego and wished him continued success in building technological literacy and computer networks.