Select all statements that correctly describe approaches to congestion. Congestion Control attempts to operate the network as close to congestion collapse as possible without actually causing congestion collapse, in order to maximize throughput. It is not possible for a router to avoid congestion collapse; the best a router can do is recover after congestion collapse occurs. Congestion Avoidance attempts to operate the network at a balance point between throughput maximization and response time minimization; operating beyond this balance point only gives a small increase in performance but causes a significant increase in response time. There is a natural tradeoff between throughput and response time when managing congestion; generally increasing throughput decreases response time and increasing response time decreases throughput