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Computer Networks
vocab
24
Computer Science
Undergraduate 4
06/06/2011

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Term
Attenuation
Definition
weakening of a signal as it traverses a medium
Term
baseline wander
Definition
result of the average number of highs and lows being pulled in one direction or another as result of consec 1'2 or 0's
Term
Clock Recovery
Definition
required for sender and receiver to keep the signal timing correct
Term
Baud Rate
Definition
rate at which the signal changes versus the number of bits actually transferred
Term
Virtual Circuit
Definition
set up first so the packet path will not change and then data can be sent
Term
Classful Routing
Definition
routing of IP packets by first identifying which class of network they belong to
Term
Hop Count
Definition
used in the Time To Live field rather than measure of time
Term
Network Architecture
Definition
the combination of layers and protocols for a network model
Term
Virtual Circuit Identifier
Definition
a unique ID assigned to a connection between two nodes where the path is fixed
Term
Protocol stack
Definition
the list of protocols used by a single system
Term
Routing Domain
Definition
a network in which all routers are under the same administrative control
Term
Throughput
Definition
the logical amount of data able to be transmitted
Term
Bandwidth
Definition
the physical amount of data able to be transmitted
Term
Topology
Definition
the layout of a network
Term
Learning bridge
Definition
a device which determines and stores where a packet came from in order to improve performance
Term
Multiplexing
Definition
the act of taking several sources and combining them into a single stream
Term
ARP Cache
Definition
Mapping of IP address to physical address
Term
Firewall
Definition
a multi-link, homogeneous, peer-based device designed to filter network traffic
Term
Link-State Packet
Definition
a packet containing information about a router used to compute coutes
Term
Multi-path fading
Definition
a wireless's signal reflecting off surrounding surfaces
Term
Interface
Definition
application programming interface between adjacent layers of a network model
Term
BOOTP
Definition
ancestor to DHCP
Term
Packet
Definition
piece of data sent/received from/to a node to/from another node
Term
Designated Bridge
Definition
a device chosen on a subnet to forward packets to other subnet without intelligence
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