CIT132 LAN - Chapter 5 Key Terms
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| show | A Physical layer standard for networks that specifies baseband transmission, twisted pair media, and 10-Mbps throughput. 10Base-T networks have a maximum segment length of 100 meters and rely on a star topology.
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| show | A Physical layer standard for achieving 10-Gbps data transmission over singlemode, fiber-optic cable. In 10GBase-ER, the ER stands for extended reach. This standard specifies a star topology and segment lengths up to 40 kilometers.
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| 10GBase-EW | show 🗑
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| show | A Physical layer standard for achieving 10-Gbps data transmission over singlemode, fiber-optic cable using wavelengths of 1310 nanometers. In 10GBase-LR, the LR stands for long reach.
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| show | A variation of the 10GBase-LR standard that is specially encoded to operate over SONET WAN links.
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| 10GBase-SR | show 🗑
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| 10GBase-SW | show 🗑
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| 10GBase-T A | show 🗑
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| show | A Physical layer standard for networks that specifies baseband transmission, multimode fiber cabling, and 100-Mbps throughput. 100Base-FX networks have a maximum segment length of 2000 meters. 100Base-FX may also be called Fast Ethernet.
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| show | A Physical layer standard for networks that specifies baseband transmission, twisted pair cabling, and 100-Mbps throughput. 100Base-T is also known as Fast Ethernet.
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| show | A type of 100Base-T network that uses two wire pairs in a twisted pair cable, but uses faster signaling to achieve 100-Mbps throughput. It is capable of full-duplex transmission and requires Cat 5 or higher twisted pair media.
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| show | A Physical layer standard for networks that specifies 1-Gbps transmission over fiber-optic cable using baseband transmission. 1000Base-LX can run on either singlemode or multimode fiber. The LX represents its reliance on long wavelengths.
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| 1000Base-SX | show 🗑
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| show | A Physical layer standard for achieving 1 Gbps over UTP. 1000Base-T achieves its higher throughput by using all four pairs of wires in a Cat 5 or higher twisted pair cable to both transmit and receive signals.
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| 5-4-3 rule | show 🗑
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| show | The IEEE standard that describes 1000Base-T, a 1-Gigabit Ethernet technology that runs over four pairs of Cat 5 or better cable.
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| show | The IEEE standard that describes 10-Gigabit Ethernet technologies, including 10GBase-SR, 10GBase-SW, 10GBase-LR, 10GBase-LW, 10GBase-ER, and 10GBase-EW.
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| 802.3af | show 🗑
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| show | The IEEE standard published in 2006 that describes 10GBase-T, a 10-Gbps Ethernet technology that runs on Cat 6 or Cat 7 twisted pair cable.
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| show | The IEEE standard that describes Fast Ethernet technologies, including 100Base-TX.
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| show | The IEEE standard that describes 1000Base (or 1-Gigabit) Ethernet technologies, including 1000Base-LX and 1000Base-SX.
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| show | A network’s method of controlling how nodes access the communications channel. For example, CSMA/CD (Carrier Sense Multiple Access with Collision Detection) is the access method specified in the IEEE 802.3 (Ethernet) standard.
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| active topology | show 🗑
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| show | Logically grouped network nodes that can communicate directly via broadcast transmissions. For example, all nodes connected to a single hub and all nodes that participate in a bus-topology network belong to a single broadcast domain.
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| bus | show 🗑
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| show | A topology in which a single cable connects all nodes on a network without intervening connectivity devices.
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| show | See CSMA/CD.
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| circuit switching | show 🗑
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| show | A type of backbone that uses a router or switch as the single central connection point for multiple subnetworks.
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| collision | show 🗑
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| collision domain | show 🗑
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| CSMA/CD (Carrier Sense Multiple Access with Collision Detection) | show 🗑
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| show | A group of connectivity devices linked together in a serial fashion.
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| data propagation delay | show 🗑
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| show | A type of backbone in which a number of connectivity devices (usually hubs) are connected to a series of central connectivity devices, such as hubs, switches, or routers, in a hierarchy.
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| show | An entire organization, including local and remote offices, a mixture of computer systems, and a number of departments. Enterprise-wide computing takes into account the breadth and diversity of a large organization’s computer needs.
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| Ethernet_II | show 🗑
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| show | A type of Ethernet network that is capable of 100-Mbps throughput. 100Base-T and 100Base-FX are both examples of Fast Ethernet.
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| show | The capability for a component or system to continue functioning despite damage or malfunction.
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| Gigabit Ethernet | show 🗑
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| hybrid topology | show 🗑
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| jamming | show 🗑
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| show | A characteristic of network transmission that reflects the way in which data is transmitted between nodes (which may differ from the physical layout of the paths that data takes). The most common logical topologies are bus and ring.
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| message switching | show 🗑
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| MPLS (multiprotocol label switching) | show 🗑
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| modal bandwidth | show 🗑
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| multiprotocol label switching | show 🗑
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| show | A type of switching in which data is broken into packets before it is transported. In packet switching, packets can travel any path on the network to their destination, because each packet contains a destination address and sequencing information.
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| show | The bytes added to the data (or information) portion of an Ethernet frame to ensure this field is at least 46 bytes in size. Padding has no effect on the data carried by the frame.
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| show | A type of backbone that consists of more than one connection from the central router or switch to each network segment.
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| passive topology | show 🗑
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| PD (powered device) | show 🗑
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| show | The physical layout of a network. A physical topology depicts a network in broad scope; Physical topologies are categorized into three fundamental geometric shapes: bus, ring, and star. These shapes can be mixed to create hybrid topologies.
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| PoE (Power over Ethernet) | show 🗑
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| show | The field in an Ethernet frame that signals to the receiving node that data is incoming and indicates when the data flow is about to begin.
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| show | On a network using Power over Ethernet, the device that supplies power to end nodes.
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| QoS (quality of service) | show 🗑
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| show | See QoS.
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| show | A network layout in which each node is connected to the two nearest nodes so that the entire network forms a circle. Data is transmitted unidirectionally around the ring.
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| serial backbone | show 🗑
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| SFD (start-of-frame delimiter) | show 🗑
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| signal bounce | show 🗑
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| show | A physical topology in which every node on the network is connected through a central device, such as a hub. Any single physical wire on a star network connects only two devices, so a cabling problem will affect only two nodes.
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| show | A hybrid topology in which groups of workstations are connected in a star fashion to hubs that are networked via a single bus.
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| show | A hybrid topology that uses the physical layout of a star and the token-passing data transmission method.
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| switching | show 🗑
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| terminator | show 🗑
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