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...

Virtual LANs • Virtual LANs (VLANs) • True to their name, VLANs are literally “virtual“ LANs—mini subLANs that, once configured, can exist and function logically as single, secure network segments, even though they may be part of a much larger...

...can decrease your networking costs since you'll need fewer antennas and access points. • Basically, a wireless network consists of data, voice, and video information packets being transmitted over low-frequency radio waves instead of electrica...

Media Converters • Technology Overviews • Media Convertors • You can interconnect twisted pair, fibre and coax. • Media converters interconnect different cable types-twisted pair, fibre, and Thin or thick coax-within a network. They are usuall...

TCP_Latency • Latency is the time—measured in milliseconds—a round-trip signal takes to travel a network. Latency often has little to do with the physical distance a signal travels; it’s more affected by the number and type of nodes that a sig...

Fiber To The Office • Fiber To The Office • The classical network • A classical network consists of a rack with switches and patch panels and outlets in your cable conduit. Between the outlets and the patch panel you use Cat5, 6 or 7 cables. H...

Gigabit Ethernet • Gigabit Ethernet • As workstations and servers migrated from ordinary 10-Mbps Ethernet to 100-Mbps speeds, it became clear that even greater speeds were needed. Gigabit Ethernet was developed for an even faster Ethernet stan...