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  2. Network interface controller - Wikipedia

    en.wikipedia.org/wiki/Network_interface_controller

    The network controller implements the electronic circuitry required to communicate using a specific physical layer and data link layer standard such as Ethernet or Wi-Fi. [a] This provides a base for a full network protocol stack, allowing communication among computers on the same local area network (LAN) and large-scale network communications through routable protocols, such as Internet ...

  3. Telecommunications network - Wikipedia

    en.wikipedia.org/wiki/Telecommunications_network

    Wide area networks (WAN) Metropolitan area networks (MAN) Local area networks (LAN) There are three features that differentiate MANs from LANs or WANs: The area of the network size is between LANs and WANs. The MAN will have a physical area between 5 and 50 km in diameter. [2] MANs do not generally belong to a single organization.

  4. Local area network - Wikipedia

    en.wikipedia.org/wiki/Local_area_network

    A local area network (LAN) is a computer network that interconnects computers within a single physical location. It is the most common type of computer network, used in homes and buildings including offices or schools, [ 1 ] [ 2 ] [ 3 ] for sharing data and devices between each other, including Internet access .

  5. Troubleshoot a dial-up connection - AOL Help

    help.aol.com/articles/troubleshooting-a-dial-up...

    Dial-up doesn't work with phone services offered by cable companies. Check your physical phone connection - A loose cable or cord can often be the cause of a connection problem. Unplug all phone devices in your home - Unplug all phone devices in your home, then reconnect just the modem. Try to connect online, and if it works, plug in each ...

  6. Troubleshoot a broadband internet connection - AOL Help

    help.aol.com/articles/troubleshooting-a...

    If you don't have another browser, download a supported one for free. 2. Check the physical connection - A loose cable or cord can often be the cause of a connection problem. Make sure everything is securely connected to the wall and device. 3.

  7. Logical link control - Wikipedia

    en.wikipedia.org/wiki/Logical_link_control

    The IEEE 802.2 standard specifies the LLC sublayer for all IEEE 802 local area networks, such as IEEE 802.3/Ethernet (when Ethernet II frame format is not used), IEEE 802.5, and IEEE 802.11. IEEE 802.2 is also used in some non-IEEE 802 networks such as FDDI .

  8. Internet Connection Sharing - Wikipedia

    en.wikipedia.org/wiki/Internet_Connection_Sharing

    Internet Connection Sharing (ICS) is a Windows service that enables one Internet-connected computer to share its Internet connection with other computers on a local area network (LAN). The computer that shares its Internet connection serves as a gateway device , meaning that all traffic between other computers and the Internet go through this ...

  9. List of TCP and UDP port numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_TCP_and_UDP_port...

    Extensible Messaging and Presence Protocol (XMPP) client connection [11] [257] [258] 5223 Unofficial: Apple Push Notification Service [11] [166] Unofficial: Extensible Messaging and Presence Protocol (XMPP) client connection over SSL: 5228 Yes: HP Virtual Room Service Unofficial: Google Play, Android Cloud to Device Messaging Service, Google ...