Open Systems Interconnection Reference Model and TCPIP Model Reviewed, IPv4 and IPv6, Internet addressing, ARP and RARP, routing algorithms, RIP, RIPv2, OSPF, BGP, routing in MPLS networks, optimization and operation of the transport layer, TCP and UDP protocols, basic issues of information security in computer networks, as well as applications such as DNS, SNMP, e-mail, FTP, the organization and main protocols of the World Wide Web, the concepts of web service and the main components of the SOA architecture.