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  2. Service set (802.11 network) - Wikipedia

    en.wikipedia.org/wiki/Service_set_(802.11_network)

    An example of a service set called "WiFi Wikipedia" consisting of two basic service sets (BSSs).Notebook_My is able to automatically roam between the two BSSs, without the user having to explicitly connect to the second network.

  3. Default gateway - Wikipedia

    en.wikipedia.org/wiki/Default_gateway

    TCP/IP defines the addresses 192.168.4.0 (network ID address) and 192.168.4.255 (broadcast IP address). The office's hosts send packets to addresses within this range directly, by resolving the destination IP address into a MAC address with the Address Resolution Protocol (ARP) sequence and then encapsulates the IP packet into a MAC frame ...

  4. Computer security - Wikipedia

    en.wikipedia.org/wiki/Computer_security

    An example of a physical security measure: a metal lock on the back of a personal computer to prevent hardware tampering. Computer security (also cybersecurity, digital security, or information technology (IT) security) is the protection of computer software, systems and networks from threats that can lead to unauthorized information disclosure, theft or damage to hardware, software, or data ...

  5. History of Facebook - Wikipedia

    en.wikipedia.org/wiki/History_of_Facebook

    On November 17, 2019, the banking data for 29,000 Facebook employees was stolen from a payroll worker's car. The data was stored on unencrypted hard drives and included bank account numbers, employee names, the last four digits of their social security numbers, salaries, bonuses, and equity details.