1. Wireless: Setting up and managing wireless networks, including security and troubleshooting. 2. Firewall: Implementing firewall rules, NAT, and packet filtering. 3. QoS: Quality of Service (QoS) concepts and configuration. 4. VPN: Configuring Virtual Private Networks (VPNs) for secure communications. 5. Basic Network Management: Using tools like WinBox, configuring IP addresses, DHCP, DNS, and monitoring network performance.