Are you considering a career in network administration but do not know what the job description of a network administrator is? We have been through various job portals to find out what companies look for in a candidate and also the job description they mentioned against the listed jobs of their companies. Listed below are [...]
Before we take look at the differences between the two, let us first know what is 802.11. IEEE created their first Wireless LAN (WLAN) standard in the year 1997 and called it 802.11. As time passed by, technology advanced and the 802.11 standard was further expanded and as a result 802.11a, 802.11b, 802.11g and 802.11n [...]
QLogic corp has announced the addition of transparent router functionality to the HP StorageWorks 8/20q 8Gb fibre channel family of switch products that will allow any active HP StorageWorks 8/20q Fibre Channel switch port to be configured as a TR port. Addition of this functionality will enable HP servers and storage resources to be shared [...]
Cisco has unveiled an energy monitoring software that will help companies lower their energy spendings and also reduce greenhouse emissions. The software is called EnergyWise, expected to be free, and available in three versions. All three versions put together will help companies monitor and manage the energy consumption in their IP phones, computers, printers, air [...]
The Motorola Surfboard SB5101 Cable Modem is one of the bestsellers in the cable modem category. The Motorola Surfboard is very easy to install. All you need to do is plug in the ethernet cable to your PC or the router, connect the coaxial cable and power it on. You are done. Unless you want [...]
Beyond your wireless router is a complex engineering discipline known as computer networking. This field of study is concerned with the communication between computer systems or devices using routers, protocols, and networking over the public internet using documents known as RFCs. A computer network may be any set of computers or devices connected to one [...]
A repeater is an electronic device that receives a weak or low-level signal and retransmits it at a higher level or higher power, so that the signal can cover longer distances without degradation. The term “repeater” originated with telegraphy and referred to an electromechanical device used to regenerate telegraph signals. Use of the term has [...]
A router is a computer networking device that forwards data packets toward their destinations through a process known as routing. Routing occurs at layer 3 (Network layer) of the OSI seven-layer model. A router can be used to either connect at least two networks, or to form a mobile ad-hoc network. A special variety of [...]
A network switch is a networking device that connects network segments. It uses the logic of a Network bridge but allows a physical and logical star topology. It is often used to replace network hubs. A switch is sometimes also referred to as an intelligent hub. How switches work? A switch can connect Ethernet, Token [...]
Also known as ethernet hub, is a physical device for connecting multiple ethernet devices together acting as if it’s a single segment. These ethernet devices are connected using twisted pair or any other suitable media to the hub. Hub operates at Physical Layer of the OSI model. Hub can also be called a multi-port repeater. [...]