...Black Box Explains: Networking Standards • As a result of research done at Xerox Corporation in the early 1970s, Ethernet has evolved into the most widely implemented physical and Data link layer protocol today and, in 1978, the International St...

OSI Model • The OSI Model for Open Systems Interconnection. • In 1978, the International Standards Organisation (ISO) created a universal standard for exchanging information between and within networks and across geographical boundaries. This ...

...Interface (FDDI) is a networking standard developed in the early 1980s by the American National Standards Institute (ANSI) for operating at speeds up to 100 Mbps. The standard FDDI network is set up in a ring topology with two rings that transmit ...

Network Switches • Network switches • Everybody needs one, everybody has one, a network switch. A switch for your Ethernet network. If you listen to some people then a switch is the most trivial device needed for connecting computers. Is that ...

What is 802.1x port security? • What is 802.1x port security? • 802.1x port explained: • 802.1x port-based network access control provides a method to restrict users? Access to network resources by using authentication. This restricts users fr...

Five key elements of effective network security. • Identity • Accurate and positive identification of network users, hosts, applications, services, and resources is a must. Kerberos, password tools, and protocols such as RADIUS and TACACS+ ena...

FREE Tech Support • For help ordering products, • contact our FREE Tech Support •   • Practical IT Security solutions from Black Box • What dangers lurk? • Corporate networks are routinely attacked tens of thousands of times every day. Intellectua...