Ipsec, Tcp, Ip Vpn, Linux, Map, Diameter, Lte, Log analysis and troubleshooting utilities, Ip, 5G Core concepts, Volte, Network monitoring and alarm tools, HLR Titanium, Ss7, Unix system administration

routing, Cisco, Aruba, Zscaler, switching, firewall technologies, ISP management, network security principles, enterprise Wi-Fi solutions, Forti switches