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Which technology provides the highest bit rate?
A. T1
B. El
C. DS3
D. ISDN
Correct Answer: C
Explanation/Reference:
A DS3 line (sometimes also referred to as T3) is a dedicated, high bandwidth, fiber circuit with a speed of 45 Mbps.
Incorrect:
Not A: T1, 1.544Mbps
Not B: E1, 2.048Mbps
Not D: SDN 30B+1D (all 64K) ~ E1: 1.930Mbps