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  2. Physical layer - Wikipedia

    en.wikipedia.org/wiki/Physical_layer

    The Internet protocol suite, as defined in RFC 1122 and RFC 1123, is a high-level networking description used for the Internet and similar networks. It does not define a layer that deals exclusively with hardware-level specifications and interfaces, as this model does not concern itself directly with physical interfaces. [9] [10]

  3. Stratification (vegetation) - Wikipedia

    en.wikipedia.org/wiki/Stratification_(vegetation)

    The shrub layer is the stratum of vegetation within a habitat with heights of about 1.5 to 5 metres. This layer consists mostly of young trees and bushes, and it may be divided into the first and second shrub layers (low and high bushes). The shrub layer needs sun and little moisture, unlike the moss layer which requires a lot of water.

  4. Link aggregation - Wikipedia

    en.wikipedia.org/wiki/Link_aggregation

    Broadband bonding is a type of channel bonding that refers to aggregation of multiple channels at OSI layers at level four or above. Channels bonded can be wired links such as a T-1 or DSL line . Additionally, it is possible to bond multiple cellular links for an aggregated wireless bonded link.

  5. OSI model - Wikipedia

    en.wikipedia.org/wiki/OSI_model

    The PDU is passed to layer N−1, where it is known as the service data unit (SDU). At layer N−1 the SDU is concatenated with a header, a footer, or both, producing a layer N−1 PDU. It is then passed to layer N−2. The process continues until reaching the lowermost level, from which the data is transmitted to the receiving device.

  6. Layers of protection analysis - Wikipedia

    en.wikipedia.org/wiki/Layers_of_protection_analysis

    Layers of protection analysis (LOPA) is a technique for evaluating the hazards, risks and layers of protection associated with a system, such as a chemical process plant. In terms of complexity and rigour LOPA lies between qualitative techniques such as hazard and operability studies (HAZOP) and quantitative techniques such as fault trees and ...

  7. Jennifer Lopez has reportedly spent the night at Ben Affleck's house a "couple times" as they have "lingering doubts" about divorce.

  8. Subsumption architecture - Wikipedia

    en.wikipedia.org/wiki/Subsumption_architecture

    Figure 1: Abstract representation of subsumption architecture, with the higher level layers subsuming the roles of lower level layers when the sensory information determines it. [5]: 11 The development of layers follows an intuitive progression. First, the lowest layer is created, tested, and debugged.

  9. Holiday shoppers increased spending by 3.8% despite higher prices

    www.aol.com/holiday-shoppers-increased-spending...

    Holiday sales from the beginning of November through Christmas Eve climbed 3.8%, outpacing the 3.1% increase from a year earlier, according to Mastercard SpendingPulse, which tracks all kinds of ...