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  2. Default gateway - Wikipedia

    en.wikipedia.org/wiki/Default_gateway

    A gateway is a network node that serves as an access point to another network, often involving not only a change of addressing, but also a different networking technology.

  3. Private network - Wikipedia

    en.wikipedia.org/wiki/Private_network

    In Internet networking, a private network is a computer network that uses a private address space of IP addresses.These addresses are commonly used for local area networks (LANs) in residential, office, and enterprise environments.

  4. Dynamic Host Configuration Protocol - Wikipedia

    en.wikipedia.org/wiki/Dynamic_Host_Configuration...

    The Relay Agent Information Option protocol extension [31] (usually referred to in the industry by its actual number as Option 82 [36] [37]) allows network operators to attach tags to DHCP messages as these messages arrive on the network operator's trusted network. This tag is then used as an authorization token to control the client's access ...

  5. Wireless security - Wikipedia

    en.wikipedia.org/wiki/Wireless_security

    Concerns were raised about its security as early as 2001, [21] dramatically demonstrated in 2005 by the FBI, [22] yet in 2007 T.J. Maxx admitted a massive security breach due in part to a reliance on WEP [23] and the Payment Card Industry took until 2008 to prohibit its use – and even then allowed existing use to continue until June 2010. [24]

  6. North American railroad signaling - Wikipedia

    en.wikipedia.org/wiki/North_American_railroad...

    Human-factors related incidents are caused, or influenced by, unsafe work behavior and attitudes, as opposed to non-behavior related factors like inclement weather or undetected faulty track. Therefore, nearly all human-factor incidents and injuries can be associated with one or more operating or safety rule violations.

  7. ping (networking utility) - Wikipedia

    en.wikipedia.org/wiki/Ping_(networking_utility)

    Ping measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source. The name comes from active sonar terminology that sends a pulse of sound and listens for the echo to detect objects under water. [1] Ping operates by means of Internet Control Message Protocol (ICMP) packets.

  8. Social media and identity - Wikipedia

    en.wikipedia.org/wiki/Social_media_and_identity

    It is important for adults to support teens' personal interests rather than keeping them limited from it as that may lead to harmful/dangerous behavior that is not in the teens best interest. Overall, it is seen that unsafe and sometimes even safe media use, can bring upon negative outcomes such as dangers and various threats that young ...

  9. List of topics characterized as pseudoscience - Wikipedia

    en.wikipedia.org/wiki/List_of_topics...

    2012 phenomenon – a range of eschatological beliefs that cataclysmic or otherwise transformative events would occur on or around 21 December 2012. This date was regarded as the end-date of a 5,126-year-long cycle in the Mesoamerican Long Count calendar and as such, festivities to commemorate the date took place on 21 December 2012 in countries where the Maya civilization had formerly ...