(b) Figure 3 illustrates a pipelined rdt protocol operation between a sender and receiver with a windows size of N. Assume the sender needs to send packets with sequence number goes from 0 to 9 . Study the operation and answer the following questions. [Note: Packet status = delivered , discarded or buffered ] Figure 3 i) If the Go-Back N protocol is used, fill in the Table 2 with the CORRECT answer. [2 Marks]