Max score 40+10 extra credit points. Max time 75 minutes Please state all assumptions clearly, and write your answers legibly. Don't forget to write your name and ID number on your blue book. 1. Buffering - -RED and Fair Queuing (a) Very briefly name one disadvantage and one advantage of RED (random early drop) buffering relative to Fair Queuing. [3 (b) Suppose a router has two input flows and one output. It receives the packets listed in the table below at about the same time in the order listed, during a period in which the output port is busy but all queues are otherwise empty. Compute the order in which packets are transmitted assuming fair queuing. [3] Size 200 100 50 120 100 Packet Flow 4 2