What are two characteristics of priority queueing? (Choose two.)

What are two characteristics of priority queueing? (Choose two.)
A . It guarantees bandwidth for user-defined traffic classes.
B . It applies strict priority to user-defined traffic classes.
C . It allocates an equal share of bandwidth to each flow.
D . It places traffic Into one of four queues.
E . It ensures that critical traffic queues are serviced first.

Answer: D,E