If a Solution Is to Make Use of a Queue

If a solution is to make use of a queue with Maximum Attempts greater than 1, what should the designer put in place? (Choose two.)

A) A decision whether or not to use an available retry item after marking an item as an exception.
B) A decision whether or not to use an available retry item before marking an item complete.
C) Logic to ensure that the next attempt to work a case is executed on a different machine from the previous attempt.
D) Logic to ensure that the next attempt to work a case is executed on the same machine as the previous attempt.
E) Logic to identify the progress made by previous attempts to work a case.