At what speed does a T3 line run?

A.
1.5 Mbps

B.
4.5 Mbps

C.
44.7 Mbps

D.
128 Mbps

Explanation:
Section Reference: Defining T-Carriers
T3 stands for trunk carrier 3 and is the equivalent of 28 T1s. It runs at 44.736 Mbps, using 672 64 Kbps B
channels.