...is true in designing networking systems. A network architecture specifies a hierarchy of independent layers that contain modules for performing defined functions. • This translates into a set of rules that defines the way participating network no...

...choices for high-speed networking? • Black Box compares today's popular high-speed networking options. • Switched Ethernet • Switched Ethernet relies on centralised multiport switches to provide a physical link between multiple LAN segments. Inside...

Layer 2, 3, and 4 switching • Layer 2, 3, and 4 switching • The Open Systems Interconnection (OSI) Reference Model provides a layered network design framework that establishes a standard so that devices from different vendors work together. • ...

A terminal server by any other name • A terminal server (sometimes called a serial server or a console server or a device server) is a hardware device that enables you to connect serial devices across a network. • Terminal servers acquired the...

Wireless Security • Technology Overviews • Wireless Security • Minimize the risk. • Wireless is preferred for networks that are temporary, require flexibility, and in which high security is not needed. • Because it's particularly vulnerable to...

The difference between unmanaged, managed, and Web-smart switches • The difference between unmanaged, managed, and Web-smart switches. • With regard to management options, the three primary classes of switches are unmanaged, managed, and Web s...

...works and what kind of networking equipment to use with your extenders. • Think of your network as a river of data with a steady current of data moving smoothly down the channel. All your network users are like tiny tributaries branching off this r...

...new wide-area networking method, is gaining in popularity. It uses a packet-switching technology, similar to X.25, but is more efficient and can make your networking quicker, simpler, and less costly. • Frame Relay was developed to solve c...

Remote Access • Remote Management • Remote access refers to a temporary link—usually a phone connection—and does not include permanent LAN-to-LAN connections. These temporary links can be made over a number of different kinds of media includin...