Notice question 6 and 7 are the same but with different available answers. please provide the correct one in each case.

D Question 8 12.5 pts Check all that apply This question is related to the performance evaluation of the Stop And Wait protocol on an error- free channel. Refer to the figure to answer. Within the same cycle, the expression T, + T, is equal to the duration between when Time 0 Sender Receiver the last bit of the packet is put on the medium and when its first bit is put on the medium the last bit of the packet is received and when its first bit is received. None of these answers the last bit of the packet is received and when its last bit is sent the first bit of the packet is received and when its first bit is sent the last bit of the packet is received and when its first bit is sent Previous Question 7 12.5 pts Check all that apply. This question is related to the performance evaluation of the Stop And Wait protocol on an error free channel. Refer to the figure to answer. Let P, be the packet size in bits and b, be the bit rate in bits/s. Assuming that we neglect the processing time of a received packet and the transmission time of an acknowledgement, the efficiency is equal to Time 0 Sender Receiver 21. Throughput by definition Transmission Time T None of these answers Previous D Question 5 12.5 pts Check all that apply. This question is related to the performance evaluation of the Stop-And-Wait protocol on an error- free channel. Refer to the figure to answer. Let P, and by be the packet size (in bits) and the bit rate (in bits/s), respectively. Assuming that we neglect the processing time of a received packet and the transmission time of an acknowledgement, the throughput in bits/s is equal to Time 0 Sender Receiver 1, +7.+@+Pa+T None of these answers Previous