Answer:
False.
Step-by-step explanation:
Piggybacking is an optimization that is used when both sides have to send data to each
other so that the receiver, instead of sending two packets i.e., an ACK and a data packet, it just sends one.
When the receiver (B) does not have any data to send, it will still send an ACK with the sequence number
field containing the next sequence of data it is supposed to send