| 41. | The physical layer of HiperLAN / 2 is very similar to IEEE 802.11a wireless local area networks.
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| 42. | The ICAO standard for the VDL Mode 2 specifies three layers, the subnetwork, link and physical layers.
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| 43. | Some taps operate at the physical layer of the OSI model rather than the data link layer.
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| 44. | Convergence sublayers can be used also on the physical layer to connect IP, ATM or UMTS networks.
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| 45. | It is typically measured at a reference point below the network layer and above the physical layer.
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| 46. | An uncertified physical layer that malfunctions could cripple the battery lifespan of other devices on a ZigBee network.
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| 47. | In addition, Bell 202 is the basis for the most commonly used physical layer for the process industries.
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| 48. | The interface between the physical layer and the actual transmission medium is called Medium Dependent Interface ( MDI ).
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| 49. | The interface between the Data Link Layer and the physical layer is called Medium Independent Interface ( MII ).
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| 50. | The physical layer is EIA-422.
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