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802.1D
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IEEE standard that describes, among other things briding and STP (spanning tree protocol
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802.1w
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IEEE standard that describes RSTP (rapid spanning tree protocol) which evolved from STP
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Application switch
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A switch that provides functions between Layer 4 and Layer 7 of the OSI model
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Base I/O port
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A setting that specifies, in hexadecimal notation, which area of memory will act as a channel for data traveling between the NIC and the CPU Like its IRQ, its devices ---- port cannot be used by any other device
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Best path
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The most efficient route from one node on a network to another. Under optional network conditions, the ------ is the most direct path between two points, however, when traffic congestion, segment failures, and other factors create obstacles, the most direct path may not be the ---------
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BGP (border gateway protocol)
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Complex routing protocol used on border and exterior router it is the routing protocol used on internet backbones
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BID (bridge ID)
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Combination of a 2 byte priority field and a bridge's MAC address used in STP to select a root bridge
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BIOS (basic input/output)
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Firmware attached to a computer's motherboard that controls the computer's communication with its devices among other things.
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Border router
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Router that connects an autonomous LAN with an exterior network example router that connects a business to its ISP
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Bridge
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A connectivity device that operates at the data link layer(layer 2) of the OSI model and reads header information to forward packets according to their MAC address it use a filtering database to determine which packets to discard and which to forward it contain one input and one output port and separate network segments
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Broadcast domain
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Combination of ports on a switch that make up a a layer 2 segment to be able to exchange data with each other, broadcast domains must be connected by a layer 3 device such as a router or layer 3 switch
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Bus
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Type of circuit used by a computers motherboard to transmit data to components most new pentium computer use buses of exchanging 32 to 64 bits of data as the number of bits of data a bus handles increases so does the speed of the device attached to the bus.
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Card Bus
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PCMCIA standard that specifies a 32 bit interface running at 33MHz,similar to the PCI expansion board standard. most modern laptops are equipped with Card Bus slots for connecting external modems and NIC among other things
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CMOS(complementary metal oxide semiconductor)
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A type of microchip that requires very little energy to operate In a PC,it stores setting pertaining to a computers devices among other things
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Compact Flash
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Standard for an ultra -small removable data and input/output device capable of connecting many kinds of external peripherals to workstation,PDA and other computerized devices
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