please answer both Questions

Stop-and-Wait Homework Unanswered In the Stop-and-Wait flow-control protocol, what best describes the sender's (S) and receiver's (R) respective window sizes? O A S= 1, R=1 O BS=1,R>1 O C 5>1, R=1 O D 5>1,R>1 ES=2R 0 F R=25 Which addresses MUST appear in the actual header of a UDP datagram? Multiple answers: You can select more than one option O A Source MAC (physical address O B Intermediate MAC (physical address 0 C Destination MAC (physical address O D Source IP address O E Intermediate IP address 0 F Destination IP address O G Source Port address O H Intermediate Port address I Destination Port address