The network given in the figure below uses Direct Diffusion Protocol. In this network the source of the query (s) on the left is looking of an event, and the event is in the node (D) on the right. Answer the following questions. Source Node Event Node a) Give an ID for all nodes (including S and D). use the numbers in sequence starting from 1 and increasing by one. Write down the IDs in the circles above. Then explain How does the query sender select a single path for receiving the event information when the copies of response come from the same event node however from different paths? Clarify your answers by diagrams