What is included in a linked list node? I a reference to the next node
II an array reference
III a data element

I a reference to the next node

III a data element

Explanation:

A linked list is simply referred to as a linear data structure, whereby the elements would not be stored at memory locations that are together in the sequence.

In simple words, we can simply say that a linked list is made up of nodes in which, every node has a data element and also a link or reference to the next node that is in the list.

Therefore, based on the explanation above, the correct option will be:

I. a reference to the next node

III a data element

answer; i believe the correct answer is (quick access toolbar);