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ISDN
ISDN (Integrated Digital
Subscriber Network) is an offering from some phone companies that
is a circuit switched digital network created to offer more data
throughput than is possible than with the original phone system.
A digital connection does not need
to first convert the data to analog for sending,
and is more reliable. ISDN lines require power at the client
side, and do not have a dial tone. Connections are made very quickly
compared to analog lines. The NETWORK+
test tests for knowledge on two different
types of ISDN lines. They are the Basic Rate Interface
and the Primary Rate Interface.
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CertiGuide for Network+ (http://www.CertiGuide.com/netplus/) on CertiGuide.com
Version 1.0 - Version Date: November 7, 2004
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