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    • Port 1723

      Port 1723

      Port 1723 is a network port that uses both TCP (Transmission Control Protocol) and UDP (User Datagram Protocol) in order to transfer data from an application on one machine to an application on another machine. Port 1723 is rarely manually used and background services within the applications that access it usually manage it. This type

    • Understanding Cisco IOS

      Understanding Cisco IOS

      Cisco IOS As you know that Cisco is the worldwide leader in providing the hardware solutions as well as the software solutions of LAN and WAN. The hardware solutions mean that the hardware devices such as switches and routers etc but what is the meaning of software solution? The software solution actually means that Cisco

    • Frame vs Packet

      Frame vs Packet

      A packet and a frame are both packages of data moving through a network. A packet exists at Layer 3 of the OSI Model, whereas a frame exists at Layer 2 of the OSI Model. Layer 2 is the Data Link Layer. The best known Data Link Layer protocol is Ethernet. Layer 3 is the

    • Data Link Layer

      Data Link Layer

      The Data Link Layer is layer two of the OSI model. It resides above the Physical Layer and below the Network Layer. The Data Link Layer is responsible for communications between adjacent network nodes. Hubs and switches operate at the Data Link Layer. The Data Link Layer is logically divided into two sub-layers: The Media

    • Ad Hoc Network

      Ad Hoc Network

      An ad hoc network is a type of peer to peer wireless network mode where wireless devices communicate with each other directly, without the aid of a Wireless Access Point (WAP) device. Wireless networks typically depend on a base station or WAP device to manage and direct the stream of data between wireless devices. In

    • Subnet Masks

      Subnet Masks

      A subnet mask allows users to identify which part of an IP address is reserved for the network and which part is available for host use. By looking at the IP address alone, especially now with classless inter-domain routing, users cannot tell which part of the address is which. Adding the subnet mask or netmask

    • Fiber Optics

      Fiber Optics

      Fiber optic technology makes use of light to carry digital signals via optical cables. Fiber optic cables are very thin glass wires made from extremely pure optical glass. This technology is based on the concept of light reflection. In the case of fiber optics technology, light carrying digital signals is reflected inside the optical cable

    • Attenuation

      Attenuation

      Attenuation is a reduction in signal strength over distance. Attenuation is a common problem of telecommunication cables that causes a decrease in data speeds on longer cables. Attenuation is also known as “loss” and can be countered by data repeaters and amplifiers. While attenuation is a problem for long cables, short cables do not usually

    • Types of Network Hardware

      Types of Network Hardware

      The label network hardware is generally given to any piece of equipment with the task of moving data. Common categories of network hardware include: Routers Switches Network Interface Cards         Routers             A router is a network device with interfaces in multiple networks whose task is to copy packets from one network

    • VoIP Gateway

      VoIP Gateway

      A VoIP Gateway (Voice over IP Gateway) is a network device that helps to convert voice and fax calls between an IP network and Public Switched Telephone Network (PSTN) in real time. It is a high performance gateway designed for Voice over IP applications. A VoIP gateway can typically support at least two T1/E1 digital

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