Jonathan Barajas has completed the Cisco CCNA Routing and Switching: Routing and Switching Essentials course, earning a Certificate of Completion. The course provided hands-on training to prepare Jonathan for a career in technology by teaching him skills like configuring and troubleshooting switched and routed networks, VLANs, ACLs, DHCP, DNS, and NAT. Cisco's CEO congratulated Jonathan and wished him continued success in building technological literacy.