________ display(s) the slides during a slide show and enable(s) you to perform actions such as move to the next slide

Consider the following code snippet, where the array lists contain elements that are stored in ascending order:

ArrayList list1 = new ArrayList(); ArrayList list2 = new ArrayList();. . . int count = 0; for (int i = 0; i < list1.size() && i < list2.size(); i++) { if (list1.get(i) == list2.get(i)) { count++; } } Which one of the following descriptions is correct for the given code snippet?

When a receiving system responds to a received packet, it reverses the ___________________.

Fill in the blank(s) with the appropriate word(s).