Network Device Configuration & Maintenance (Cisco, MikroTik, Ubiquiti, TP-Link)
Firewall Fundamentals (Fortinet, Palo Alto)
Enterprise Server Exposure (HP, IBM, Lenovo)
VPN Configuration & Basic Tunneling Concepts
TCP/IP Networking Fundamentals
IP Addressing & Subnetting
VLAN & Network Segmentation (Basic)
Switching & Routing Fundamentals
Mail Server Administration (Basic)
System Administration Fundamentals (Windows Server, Ubuntu, RHEL, CentOS)
Virtualization Fundamentals (VMware, Proxmox, VirtualBox)
Relational Database Administration (Basic) (MySQL, PostgreSQL)
Network Monitoring & Alerting (Basic) (Cacti, LibreNMS, Zabbix, PRTG)
Network Troubleshooting & Incident Handling (Basic)