Computer Networks

Concept of layering. LAN technologies (Ethernet).

Flow and error control techniques, switching.

IPv4/IPv6, routers and routing algorithms (distance vector, link state).

TCP/UDP and sockets, congestion control.

Application layer protocols (DNS, SMTP, POP, FTP, HTTP). Basics of Wi-Fi.

Network security: authentication, basics of public key and private key cryptography, digital signatures and certificates, firewalls.