________ is the set of techniques that allows the simultaneous transmission of multiple signals across a single communication link.
a. Multiplexing
b. Frequency hopping
c. Compression
d. Demodulation
Answer: A
________ is the set of techniques that allows the simultaneous transmission of multiple signals across a single communication link.
a. Multiplexing
b. Frequency hopping
c. Compression
d. Demodulation