Extranet
An extranet is a network type Internet listed security is outsourced it to say, managed by a body or entity to external users. An extranet is an extension of the information system of business partners located beyond the network.
An extranet is neither a IntranetOr a website, it is an additional system with such customers to a company, its partners or affiliates, privileged access to resources computer Company through a Web interface.
ISP
Company in which you pay a service allowing you to connect to Internet.
Ex: Free, Wanadoo, AOL ...
Pennant
Particular sequence of bits used to delineate frames.
In proceedings HDLCThe flag is the result of eight bits 01111110.FDDI (fiber distributed data interface)
LAN designed for fiber optics to transfer at 100 Mbps
FDD
Frequency Division Duplex. Multiplexing with frequency duplex, where the uplink and downlink channels using the same intervals weatherBut with frequencies separated.
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