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    • Subnetting


      Subnetting is the process of breaking down an IP network into smaller sub-networks called “subnets.” Each subnet is a non-physical description (or ID) for a physical sub-network (usually a switched network of host containing a single router in a multi-router network). In many cases, subnets are created to serve as physical or geographical separations similar

    • Wi-Fi Software Tools

      Wi-Fi Software Tools

      A wide variety of Wi-Fi software tools are available. These tools for Wi-Fi perform functions such as: Wireless network discovery Wireless network mapping Wireless network traffic analysis Wireless network RF signal strength monitoring Wireless network encryption cracking Wireless network custom frame generation Dictionary or brute force attacks against wireless networks Denial of Service (DoS) attacks

    • HSCSD (High Speed Circuit Switched Data)

      HSCSD (High Speed Circuit Switched Data)

      Fixed/Mobile Mobile Circuit/Packet Circuit Max Bandwidth 57.6Kb Range Coverage area of host network Frequency Frequency of host network Host Network GSM Definer ETSI (European Telecommunications Standards Institute) URL http://www.etsi.org/ HSCSD (High Speed Circuit Switched Data) is a specification for data transfer over GSM networks. HSCSD utilizes up to four 9.6Kb or 14.4Kb time slots, for

    • Fiber Optic Internet

      Fiber Optic Internet

        Everyday, data transfer rates are getting faster and faster as technology gets better and demands get higher. To keep up with these faster data transfer needs, fiber optic Internet access has been introduced to the public. Fiber optic Internet uses pulses of light to create an electromagnetic carrier wave that can be used to

    • ICMP (Internet Control Message Protocol)

      ICMP (Internet Control Message Protocol)

      ICMP is the Internet Control Message Protocol. ICMP is a complementary protocol to IP (Internet Protocol). Like IP, ICMP resides on the Network Layer of the OSI Model. ICMP is designed for sending control and test messages across IP networks. Unlike the Transport Layer protocols TCP (Transmission Control Protocol) and UDP (User Datagram Protocol) which

    • RADIUS Server

      RADIUS Server

      RADIUS (Remote Authentication Dial In User Service) is a system procedure that offers centralized entrance, approval, as well as accounting administration for individuals or computers to add and utilize a network service. Individuals often need “Authentication” when they try to fix to a network. People have to face far more problems while connecting their computers

    • NAT (Network Address Translation)

      NAT (Network Address Translation)

      NAT (Network Address Translation) is a technique for preserving scarce Internet IP addresses. Why NAT? The current Internet uses IP addresses in the form xxx.xxx.xxx.xxx. A sample IP address might be Because of the way these IP addresses are allocated, there started to be a shortage of available IP addresses. The current IP (Internet

    • Collision Domain

      Collision Domain

      A computer network can be segmented physically and logically. A collision domain is one of the logical network segments in which the data packets can collide with each other. One of the most common protocols used when referring to a collision domain is the Ethernet protocol. Collision domains are often referred to as ‘Ethernet segments.’

    • 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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