Question 17 Not yet answered Marked out of 1.00 3.4-10 Pipelining. Which of the following statements about pipelining are true? One or more statements may be true. Select one or more: a. With pipelining, a packet is only retransmitted if that packet, or its ACK, has been lost. b. With a pipelined sender, there may be transmitted packets "in flight" - propagating through the channel - packets that the sender has sent but that the receiver has not yet received. c. A pipelined sender can have transmitted multiple packets for which the sender has yet to receive an ACK from the receiver. d. With pipelining, a receiver will have to send fewer acknowledgments as the degree of pipelining increases