Which of the following statements are NOT true regarding the TCP sliding window protocol? (Multiple Choice)
A . The initial window offer is advertised by the sender.
B . The sender need not transmit a full window’s worth of data.
C . It allows the transmission of multiple frames before waiting for an acknowledgement.
D . If the retransmission timer expires without the sender receiving an ACK message, the receiver retransmits the packet to the sender.
E . The receiver is required to acknowledge the data packets transmitted by the sender.
F . The size of the sliding window can only increase or stay the same.
Answer: AF