Which technology provides the highest bit rate?
A . T1
B . El
C . DS3
D . ISDN
Answer: C
Explanation:
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