How Does an IOM3 Improve the Queue Usage Over an IOM2

Multiple Choice

How does an IOM3 improve the queue usage over an IOM2 in an Alcatel-Lucent 7750 SR? (Choose two)

A) The IOM3 adds more memory to both forwarding complexes which increases the total number of queues available.
B) The IOM3 only contains a single forwarding complex which reduces the number of queues used.
C) The IOM3 allows multiple forwarding classes to be assigned to a single queue.
D) The IOM3 allows queues to be dynamically allocated between ingress and egress.
E) The IOM3 has a larger CPU capable of tracking active hardware queue utilization and adjusting memory allocation accordingly.