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    • ISDN BRI

      ISDN BRI

      ISDN BRI (Basic Rate Interface) is a standard Integrated Services Digital Network (ISDN) service meant for residential and small scale business Internet connections. There is another type of ISDN configuration called the Primary Rate Interface (PRI) that is designed to provide higher bandwidth. The BRI configuration defined in the physical layer standard I.430 produced by

    • WiMAX

      WiMAX

      WiMAX stands for Worldwide Interoperability for Microwave Access. WiMAX is a broadband wireless point-to-multipoint specification from the IEEE 802.16 working group. Unlike wireless LAN technologies such as Wi-Fi (802.11), WiMAX is designed to operate as a wireless MAN (Metropolitan Area Network). This places WiMAX in the same class as the earlier 802.16 standards, MMDS and

    • Proxy ARP

      Proxy ARP

      ARP (Address Resolution Protocol) is used by network systems to convert system communications from the routable layer 3 IP protocol to the non-routable layer 2 data link layer protocols. In most cases, you don’t need to modify this behavior at all, and system communications are optimal. In special circumstances it is preferable to have another

    • Ethernet Card

      Ethernet Card

      The system that helps connect a computer to an Ethernet network is called an Ethernet card. Another name for such a card is Network Interface Card (NIC). It can be inserted into one of the slots provided on the motherboard of the computer. Each of these cards has a unique identification number, known as the

    • What is a TFTP Server?

      What is a TFTP Server?

      A Trivial File Transfer Protocol (TFTP) server is based on a simple Fire Transfer Protocol (FTP) that was first defined in 1980. TFTP books routers and other computers that do not have storage devices. It also transfers small files between two or more computer network hosts such as a transfer initiated on a remote X

    • Network Routers

      Network Routers

      A network router is a network device with interfaces in multiple networks whose task is to copy packets from one network to another. Routers operate at Layer 3 of the OSI Model, the Network Layer. This is in contrast to switches, which operate at Layer 2 of the OSI Model, the Data-Link Layer. A network

    • 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

    • Tunneling

      Tunneling

      Tunneling is a way in which data is transferred between two networks securely. All the data being transferred is fragmented into smaller packets or frames and then passed through the tunnel. This process is different from a normal data transfer between nodes. Every frame passing through the tunnel will be encrypted with an additional layer

    • WiFi Signal Strength Meter

      WiFi Signal Strength Meter

      Windows and other operating systems have a WiFi signal strength meter, but this is usually basic software and does not really tell the user much about the wireless signal. Fortunately, there are many other programs that do the same thing, but show the user more details about the wireless connection. We will describe some of

    • How Does Wireless Networking Work?

      How Does Wireless Networking Work?

      Wireless networking has grown from only being a tool employed by academia and Fortune 500 companies to being deployed in locations such as McDonald’s, Starbucks, and gas stations for free consumer use over the past decade. Consumers can install a wireless network in the home for minimal cost today, and many home theater set-top boxes

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