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chapter 7 ab

vocabulary terms

x.25 an analog packet switching technology
x.25 provides flow control.data reliability over long distances by verifying transmission at every node
tunneling the way i which higher-layer data is sent over virtual private networks by layer 2 protocols
synchronous optical network a high bandwith WAN signaling technique that specifies framing and multiplexing techniques at the physical layer of the OSI model
virtual private network a logically constructed WAN that uses existing public transmission systrems
VPN allows an organization to carve out a private WAN thru the Internet,keeps data secure and serves only its offices
upstream data traffic that flows from a customers site to a carriers facility
terminal adapter a device used to convert digital signals into analog signals .also known as ISDN modems
Created by: cgeaski