a) What is the maximum achievable end-end throughput (in Mbps) for each of four client-to-server pairs, assuming that the middle link is fair-shared (i.e., divides its transmission rate equally among the four pairs)? Re 20 20 Mbps Rs 20 Mbps Rs- 20 Mbps b) Which link is the bottleneck link for each session? R 300 Mbps c) Assuming that the senders are sending at the maximum rate possible, what are the link utilizations for the sender links (RS),0 Mps client links (RC), and the middle link (R)? Rc70 Mbps Mbps Mbps