only one choice

multiple choice

Which one best summarizes the underlying idea of flow control? A. A receiver must send acks to a sender to guarantee reliability. O B. Many system designs are easier to build if you use a layered architecture. O C. There is no point in sending data faster than the network can deliver it. OD. Thene i no pontn taster hathss t. A sender has a window of 4 and the receiver also has a window of 4. Is the protocol going to behave like go-back-N or selective repeat? O A. go-back-N B. selective repeat Reset Selection Assume that: LastSegmentSent is the sequence number of the last data packet the sender sent. LastAckReceived is the sequence number of the last acknowledged data packet. Which of these invariants must the sender of a sliding window protocol maintain? A. LastSegmentSent LastAckReceived > (Sending window size) B. LastSegmentSent+LastAckReceived> (Sending window size) C. LastSegmentSent-LastAckReceived