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Intro to Network Chpt 5
topologies
21
Computer Networking
Undergraduate 1
10/11/2010

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Term
Physical Topology
Definition
the physical layout of the nodes on a network, depcits a network in a broad scope
Term
terminators
Definition
Ends of each bus network, keeps signal bounce from happening
Term
hybrid
Definition
complex combination of topologies
Term
daisy chain
Definition
a linked series of devices
Term
circuit switching
Definition
a connection is established b/w two network nodes before transmitting data
Term
message switching
Definition
establishes a connection b/w two devices, transfers the info to a second device and then breaks the connection
Term
packet switching
Definition
breaks data into packets before they are transported, most popular method for connecting nodes on a network.  Reassembles nodes based on control information
Term
shim
Definition
collectively MPLS labels are called
Term
CSMA/CD
Definition
an access method used by all ethernet network
Term
collision domain
Definition
the portion of a network in which collisions occur if two nodes transmit data at the same time
Term
1000Base-LX
Definition
most common 1 Gigabit Ethernet standard in use
Term
10G Base-SR
Definition
10 gigabit with the shortest segment length
Term
10-Base T
Definition
max 10 Mbps, follow 5-4-3 rule of networking
Term
100Base-T
Definition
Fast Ethernet 100 Mpbs
Term
1000Base-T
Definition
Gigabit Ethernet
Term
802.3ae
Definition
standard for fiberoptic Ethernet transmitting data at 10Gps
Term
802.3z
Definition
standard for fiber-optic ethernet network transmitting data at 1 Gpbs
Term
802.3u
Definition
standards enable LANs to run 100Mbps
Term
PSE - power sourcing equipment
Definition
The device that supplies the power
Term
PD powered device
Definition
device that receives the power
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