The _____ scheme uses data patterns of size 2 and encodes the 2-bit patterns as one signal element belonging to a four-level signal.

The _____ scheme uses data patterns of size 2 and encodes the 2-bit pa

1.	The _____ scheme uses data patterns of size 2 and encodes the 2-bit patterns as one signal element belonging to a four-level signal.
A.	4B5B
B.	2B1Q
C.	MLT-3
D.	none of the above
Answer» C. MLT-3