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  2. Packet Tracer - Wikipedia

    en.wikipedia.org/wiki/Packet_Tracer

    Packet Tracer is a cross-platform visual simulation tool designed by Cisco Systems that allows users to create network topologies and imitate modern computer networks.The software allows users to simulate the configuration of Cisco routers and switches using a simulated command line interface.

  3. netcat - Wikipedia

    en.wikipedia.org/wiki/Netcat

    netcat (often abbreviated to nc) is a computer networking utility for reading from and writing to network connections using TCP or UDP. The command is designed to be a dependable back-end that can be used directly or easily driven by other programs and scripts. At the same time, it is a feature-rich network debugging and investigation tool ...

  4. Air gap (networking) - Wikipedia

    en.wikipedia.org/wiki/Air_gap_(networking)

    An air gapped network (right) with no connection to a nearby internet-connected network (left) An air gap, air wall, air gapping [1] or disconnected network is a network security measure employed on one or more computers to ensure that a secure computer network is physically isolated from unsecured networks, such as the public Internet or an unsecured local area network. [2]

  5. BNC (software) - Wikipedia

    en.wikipedia.org/wiki/BNC_(software)

    A BNC (short for Bounced Network Connection) is a piece of software that is used to relay traffic and connections in computer networks, much like a proxy. Using a BNC allows a user to hide the original source of the user's connection, providing privacy as well as the ability to route traffic through a specific location. A BNC can also be used ...

  6. Discover the best free online games at AOL.com - Play board, card, casino, puzzle and many more online games while chatting with others in real-time.

  7. Searchers don’t expect to find Pennsylvania woman alive in ...

    www.aol.com/searchers-don-t-expect-pennsylvania...

    Pennsylvania State Police spokesperson Trooper Steve Limani said during a news conference that authorities no longer believe they will find Pollard alive, but that work to find her remains continues.

  8. Data Carrier Detect - Wikipedia

    en.wikipedia.org/wiki/Data_Carrier_Detect

    On a data modem, the carrier's loss equates to the connection's termination. Much like the Ring Indicator signal, on a PC's serial port, changes to the DCD signal state can generate a hardware interrupt that can be captured by the processor any time the DCD signal changes state, preventing the PC from needing to constantly poll the pin.

  9. Should You Use Ice or Heat for Your Back Pain? - AOL

    www.aol.com/lifestyle/ice-heat-back-pain...

    Experts explain whether ice or heat for back pain will lead to better relief, and the best time to use each.