Articoli

Discover the transport layer: TCP, UDP, QUIC, ports and sockets, end-to-end communication, ACKs, retransmissions, and real-time applications.

Discover the application layer, DNS, and domain names: application protocols, HTTP, SMTP, FTP, domains, FQDNs, nameservers, registrars, and registries.

Discover network protocols and layered architecture: communication rules, Internet layers, encapsulation, headers, and interoperability.

Discover network services: connectivity and reliability, connection-oriented and connectionless services, data delivery, and retransmissions.

Discover network management, security, and maintenance: the administrator’s role, configuration, permissions, firewalls, monitoring, and troubleshooting.

Scopri come funziona la rete di un ISP: accesso a Internet, ultimo miglio, POP, backbone, peering, IXP e gerarchia Tier 1, Tier 2 e Tier 3.

Discover how a mobile network works: radio signals, BTS, cells, coverage, roaming, frequency bands, and 2G, 3G, 4G, and 5G standards.

Discover everything from personal networks to the Internet: PAN, LAN, WAN, hosts, routers, routing, ISPs, and the difference between an internet and the global Internet.

Discover how data travels across networks: circuit switching, packet switching, packets, unicast, and broadcast networks.

Discover network hardware: network card, MAC address, switch, router, gateway, modem, access point, Wi-Fi hotspot, and firewall.