When a(n) ________ function is nested in the logical_test argument of an IF function, both logical tests need to be evaluated as TRUE for the [value_if_true] argument to be returned

In digital identity systems, a __________ functions as a certification program.

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

In a doubly linked structure, the first and last item have an empty link.

Answer the following statement true (T) or false (F)