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  2. No fault found - Wikipedia

    en.wikipedia.org/wiki/No_fault_found

    The unit is then checked, but no anomaly is detected by the maintainer. Consequently, the unit is returned to service with no repair performed. [1] [2] [3] If there is an underlying fault that has not been detected the unit may be returned for repair several times with no fault identified. Alternative descriptors include: [4] No fault found (NFF)

  3. High-availability cluster - Wikipedia

    en.wikipedia.org/wiki/High-availability_cluster

    Most importantly, the application must store as much of its state on non-volatile shared storage as possible. Equally important is the ability to restart on another node at the last state before failure using the saved state from the shared storage. The application must not corrupt data if it crashes, or restarts from the saved state.

  4. Power-on self-test - Wikipedia

    en.wikipedia.org/wiki/Power-on_self-test

    With boot times more of a concern now than in the 1980s, the 30- to 60-second memory test adds undesirable delay for a benefit of confidence that is not perceived to be worth that cost by most users. Most clone PC BIOSes allowed the user to skip the POST RAM check by pressing a key, and more modern machines often performed no RAM test at all ...

  5. Service data unit - Wikipedia

    en.wikipedia.org/wiki/Service_Data_Unit

    Each unit of data that layer (n) gives to layer (n-1) below is in turn handed down as a layer (n-1) SDU. When the PDU of layer (n+1) , plus any metadata layer (n) would add; would exceed the maximum size a layer-n PDU can be (called layer (n) 's maximum transmission unit ); the SDU must be split into multiple payloads for layer (n) ; a process ...

  6. Unified Diagnostic Services - Wikipedia

    en.wikipedia.org/wiki/Unified_Diagnostic_Services

    The service "ECU reset" is used to restart the control unit (ECU). Depending on the control unit hardware and implementation, different forms of reset can be used: 0x11 01 Hard Reset simulates a shutdown of the power supply. 0x11 02 key Off-On Reset simulates the drain and turn on the ignition with the key.

  7. The Latest: William Byron wins Daytona 500 for the second ...

    www.aol.com/latest-drivers-ready-engine-nascar...

    The seven-car wreck started when Joey Logano’s No. 22 Ford failed to get up to speed on a Lap 72 restart. Cars behind him stacked up, leading John Hunter Nemechek to turn Chastain’s No. 1 ...

  8. Windows Vista networking technologies - Wikipedia

    en.wikipedia.org/wiki/Windows_Vista_networking...

    Windows Vista's networking stack includes integrated policy-based quality of service (QoS) functionality to prioritize network traffic. Quality of service can be used to manage network usage by specific applications or users, by throttling the bandwidth available to them, or it can be used to limit bandwidth usage by other applications when ...

  9. Network service - Wikipedia

    en.wikipedia.org/wiki/Network_service

    In computer networking, a network service is an application running at the network application layer and above, that provides data storage, manipulation, presentation, communication or other capability which is often implemented using a client–server or peer-to-peer architecture based on application layer network protocols. [1] Each service ...