Mohamed Yasser Mohamed Abdelhafez has completed the Cisco CCNA Routing and Switching: Connecting Networks course through Cisco Networking Academy, earning a Certificate of Completion. The course provided hands-on training to understand and configure WAN technologies, VPNs, serial and broadband connections, NAT, and network monitoring using syslog, SNMP, and NetFlow. Cisco's CEO, Chuck Robbins, congratulated Mohamed on gaining the skills and knowledge to build and maintain computer networks.