Question $100\mathrm{.}5$ pts

Which of the following statements is correct for the Stop$-$and$-$Wait ARQ?

Group of answer choices

d$)$ All of above.

b$)$ If the received frame is damaged, discard it;

c$)$ If no acknowledgement received, the sender needs to retransmit after timeout;

a$)$ The receiving party needs to send an acknowledgement for the frame received;