The sequence vector associated with the send event of the only multicast that P3 se...
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Step-by-step solution
P3 sends out only one multicast, M3. The sequence vector for a send event is (local_sequence_number, sequence_numbers_of_received_messages_from_other_processes). P3 has sent 1 message (M3), and has received 0 messages from P0, P1, and P2 before sending M3.
Answer
0,0,0,1