Networking

• Introduction to computer networks
• Types of networks (LAN, WAN, MAN, PAN)
• Network topologies
• Network components (NIC, routers, switches, hubs)
• Data transmission concepts

• OSI model layers and functions
• TCP/IP model overview
• Protocol functions
• Data flow across layers
• Layer troubleshooting basics

• Routers, switches, hubs
• Access points and firewalls
• Modems and gateways
• Network interface cards (NICs)
• Device selection and use cases

• IPv4 structure and classes
• IPv6 basics
• Public vs private IP
• Static vs dynamic IP addresses
• Subnetting fundamentals

• HTTP / HTTPS
• FTP / SFTP
• SMTP / POP3 / IMAP
• DNS and DHCP
• SNMP basics

• MAC addressing
• VLAN concepts
• Trunking
• Port security
• Basic switch configuration

• Static routing
• Dynamic routing basics
• RIP and OSPF overview
• Routing tables
• Default gateway configuration

• Wi-Fi standards (802.11 a/b/g/n/ac/ax)
• Wireless security (WEP, WPA, WPA2, WPA3)
• Access point setup
• Network coverage planning
• Troubleshooting wireless networks

• Firewalls configuration
• Antivirus & anti-malware basics
• VPN concepts
• Network threats and attacks
• Basic security policies

• File servers and web servers
• DNS server setup
• DHCP server configuration
• User and group management
• Network services troubleshooting

• Network testing tools
• Ping, traceroute, and ipconfig/ifconfig
• Performance monitoring tools
• Fault detection and resolution
• Troubleshooting methodology

• Network documentation and diagrams
• Real-world network setup project
• IT support workflows
• Certifications overview (CCNA, CompTIA Network+)
• Networking job roles & freelancing basics