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    • How to Block an IP Address

      How to Block an IP Address

      An IP address is the numeric label or sequence of numbers that is assigned to a computer or device used on the Internet or a local area network. It is a means of identification and determining the user's address online. When an IP address is blocked, network connections to or from that address are not

    • 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

    • Dynamic DNS

      Dynamic DNS

      Dynamic DNS is a technology that allows you to update the IP address of a domain in real time. In order to fully understand how Dynamic DNS works, it is important to first understand domain names and name servers. Essentially, all website domain names are held on computer servers known as name servers. These servers

    • Network Layer

      Network Layer

      The Network Layer is located at the 3rd position in the seven layer OSI model. It offers serviceable and practical ways of transmitting variable length data series from a source to a destination through one or more networks, while preserving the class of service and error handling tasks. The Network Layer is accountable for source

    • Wavelength Division Multiplexing

      Wavelength Division Multiplexing

      Wavelength Division Multiplexing (WDM) is a technology found in fiber optic communications. WDM uses a single fiber to transmit multiple optical signals. It does this by breaking up the signal into different frequencies or wavelengths of color. The various wavelengths indicate that different amounts of data are being transmitted simultaneously. This results in an increase

    • How to Configure a Router

      How to Configure a Router

      One of the main disadvantages of connecting to the Internet via wire is that it prevents you from moving around. On the other hand, by setting up and configuring a router, you can move around with your lap top and surf the web more comfortably. Configuring a router is not difficult; however, people may have

    • What is NetBEUI?

      What is NetBEUI?

      NetBEUI (NetBIOS Extended User Interface) is an extended version of NetBIOS, the primary software that allows individual computers to communicate within a given local area network. While NetBIOS itself is most often used to transfer pictures, documents, videos, or other files from one computer to another, NetBEUI is responsible for arranging the actual information in

    • How to Disable the Netgear Router Firewall

      How to Disable the Netgear Router Firewall

      In most cases, disabling the firewall on a Netgear router is a really bad idea. In fact, it is such a bad idea that Netgear does not even make a button in their GUI that does this. Nevertheless, users can effectively disable a Netgear router firewall just by adding a rule or two to the

    • Cannot Find Server

      Cannot Find Server

      Using a internet browser is very commonplace nowadays. Unfortunately, a “cannot find server” error code may interrupt the user’s website visit. This is not only frustrating for Microsoft Internet Explorer users, but for Opera, Safari, Firefox, and other web browser users. Finding and fixing the cause of this error is very important, as web users

    • Ethernet Cable

      Ethernet Cable

      This Ethernet cable can be used to connect a network interface card (NIC) to an Ethernet switch or hub. They transmit data using the Ethernet protocol. Ethernet cables have RJ-45 jacks on both ends, each with 8 pins (They look similar to telephone jacks, which use 4 pins or 6 pins). Equipment using an Ethernet

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