Internet dan standardnya,Internet Service Provider (ISP),- Konektivitas ke ISP, Help desk technician Model OSI,ISP troubleshooting, Survey lokasi,Topologi fisik dan logik,Network Requirement Documnetation, Perencanaan dalam upgrade jaringan, Pembelian dan pemeliharaan peralatan, Pengalamatan IP dalam LAN,Network Address Translation (NAT) dan  Port-Based Network Address Translation (PAT), Protokol routing,- Algoritma routing IP: Autonomous system, interdomain vs. intradomain routing, Lanjutan algoritma routing IP: Distance vector vs. link state routing algorithms, Pendahuluan tentang layanan ISP,- Protokol yang mendukung layanan ISP, Port number,- Domain Name Service (DNS),- Layanan dan protokol, Keamanan ISP,- Enkripsi data, access list dan port filtering,firewall,intrusion detection system,intrusion prevention system, Wireless security Host security,- Monitoring and managing the ISP. CCNA 1 & 2.