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    • Extranet


      In the modern world of information and light-speed communications, data must be accessible from anywhere. This very issue is why nearly all businesses have created vast networks of computers throughout their offices. These same companies have an extensive web presence to reach their customers all over the world. A problem then arises, however, when a

    • DOCSIS (Data Over Cable Service Interface Specification)

      DOCSIS (Data Over Cable Service Interface Specification)

      Data Over Cable Service Interface Specification (DOCSIS) defines the interface standards for cable modems and supporting equipment involved in high speed data transfer and distribution over cable television system networks. It permits additional high-speed data transfer over an existing cable TV system and is widely used by television operators to offer Internet access through an

    • SCADA


      SCADA (Supervisory Control and Data Acquisition) is a system that collects data from various sensors at a factory, plant, or in other remote locations and sends this data to a central computer that then manages and controls the data. SCADA is a term that is used broadly to portray control and management solutions in a

    • The Cisco Three Layer Hierarchical Model vs the OSI Model

      The Cisco Three Layer Hierarchical Model vs the OSI Model

      The ISO, International Organization for Standardization is the Emily Post of the network protocol world. Just like Ms. Post, who wrote the book setting the standards or protocols for human social interaction, the ISO developed the OSI model as the precedent and guide for an open network protocol set. Defining the etiquette of communication models,

    • Wireless Modems

      Wireless Modems

      A wireless modem is a network device which connects to a wireless network. Modems are frequently associated with telephone systems, but wireless modems are used with computers to connect to the Internet. Connecting a wireless modem to the computer will directly connect to your wireless ISP (Internet Service Provider). Wireless modems operate at speeds comparable

    • How to Reset a Belkin Router

      How to Reset a Belkin Router

      Belkin brand routers are capable of a hardware reset if there are any problems with the current settings or if access to the router has been disabled inadvertently. The hardware reset function can be performed on Belkin routers by following these steps: Note: Resetting a Belkin router will remove all of the current settings and

    • How to Access a Netgear Router

      How to Access a Netgear Router

      You can manually connect to a Netgear router by plugging an Ethernet cable into both the router and computer. Once this connection is established, you can type  (the default IP address) in the browser in order to access the Netgear router interface. A dialog box should appear asking for the username and password, which

    • VRRP (Virtual Router Redundancy Protocol)

      VRRP (Virtual Router Redundancy Protocol)

      VRRP stands for Virtual Router Redundancy Protocol. The VRRP is a commonly used method to avoid network outages during important data transfers. Data transfer can be highly susceptible to failure when sent by a single router network. To combat this problem, VRRP creates a virtual connection between routers within the same network and ties them

    • DSL Splitter

      DSL Splitter

      A DSL splitter, like a DSL filter, is a device used to prevent interference problems. It filters the low frequencies of the telephone line from the high-frequency ADSL line. However, the installation of a DSL splitter requires the help of a technician to split the main telephone cable into 2 lines unlike a DSL filter

    • Routing


      Routing is the process of moving packets through an internetwork, such as the Internet. Routing actually consists of two separate, but related, tasks: Defining paths for the transmission of packets through an internetwork. Forwarding packets based upon the defined paths. Routing takes place in IP networks, based on IP routing tables and its entries. The

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