Question: Assume you are using the text's array - based queue and have just instantiated a queue of capacity 1 0 . You enqueue 5 elements,

Assume you are using the text's array-based queue and have just instantiated a queue of capacity 10. You enqueue 5 elements, dequeue 4 elements, and then enqueue 7 more elements.
Which indices of the internal array elements hold the value null, that is, do not hold an element?
0 and 1
, Not Selected
2 and 3
, Not Selected
8 and 9
, Not Selected
9 and 10
, Not Selected
9 and 1

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