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What is the standard ISDN term for a native ISDN modem?
A.) ET
B.) LE
C.) TE2
D.) TE3
E.) TA
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Answer: E
The marketing term 'ISDN modem' was created to help sell the
ISDN idea
to America. There is no such thing as an analog modulator
demodulator
for digital ISDN. The Terminal Adapter (TA) allows you to
connect a PC
to a digital ISDN line directly. In the real world, ISDN is
digital,
modems are analog.
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CCNA 
