Joseph Sanchez has completed the Cisco CCNA Routing and Switching: Routing and Switching Essentials course, earning a Certificate of Completion. The course prepared him for a career in technology by teaching him skills like switching concepts, routing protocols, VLAN configuration, ACL configuration, DHCP, DNS, and NAT troubleshooting. Chuck Robbins, CEO of Cisco, congratulated Sanchez and wished him continued success in building technological literacy.