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Chapter 2 Flashcards

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8728740834EthernetA series of LAN standards defined by the IEEE, originally invented by Xerox and developed jointly by Xerox, Intel, and Digital Equipment Corporation.0
8728796395IEEEInstitute of Electrical and Electronics Engineers. A professional organization that develops communications and network standards, among other activities.1
8728808687Wired LANA LAN that physically transmits bits using cables, often the wires inside cables.2
8728826694Wireless LANA LAN that physically transmits bits using radio waves.3
8728830643Ethernet FrameAn Ethernet data link header and trailer, plus the data encapsulated between them.4
872884528210BASE-TThe 10-Mbps baseband Ethernet specification using two pairs of twisted-pair cabling: One pair transmits data and the other receives data. 802.3 specification. 100 meters.5
8728858065100BASE-TFast Ethernet. Two-pair copper cabling. 100 Mbps. 100 meters.6
87288650431000BASE-TGigabit Ethernet. Four-Pair copper cabling. 1000 Mbps (1 Gbps). 100 meters.7
8728911713Fast EthernetThe common name for all the IEEE standards that send data at 100 megabits per second.8
8728918896Gigabit EthernetThe common name for all the IEEE standards that send data at 1 gigabit per second.9
8728922608Ethernet LinkAny physical link between two Ethernet nodes, no matter what type of cabling is used.10
8728928715RJ-45Cabling connector used for Ethernet cabling. Similar to RJ-11 for telephones.11
8728938622Ethernet PortThe opening on the side of any Ethernet node, typically an Ethernet NIC or LAN switch, into which an Ethernet cable can be connected.12
8728950399Network Interface Card (NIC)A computer card, sometimes an expansion card and sometimes integrated into the motherboard of the computer, that provides the electronics and other functions to connect to a computer network.13
8728967044Straight-through CableIn Ethernet, a cable that connects 1-1, 2-2, 3-3...14
8728983424Crossover-CableAn Ethernet cable that swaps the pair used for transmission on one device to a pair used for receiving on the device on the opposite end of the cable. 1-3, 2-615
8728998029Ethernet AddressA 48-bit (6 byte) binary number, usually written with a 12-digit hexadecimal number, used to identify Ethernet nodes in an Ethernet network. Ethernet frame headers list a destination and source address field, used by the Ethernet devices to deliver Ethernet frames to the correct destination.16
8729023551MAC AddressA standardized data link layer address that is required by every device that connects to a LAN. Ethernet MAC addresses are 6 bytes long and are controlled by the IEEE. AKA hardware address + physical address.17
8729040486Unicast AddressAny address in networking that represents a single device or interface, instead of a group of addresses.18
8729052187Broadcast AddressAny address that represents all devices, and can be used to send one message to all devices.19
8729061531Frame Check SequenceA field in many data link trailers used as part of the error-detection process.20

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