________ defenses aim to detect and abort attacks in executing programs.

An absolute cell reference:

A) contains both an absolute and a relative cell reference. B) indicates a cell's specific location and the reference does not change when you copy the formula. C) causes a potential error. D) happens only when a formula indirectly refers to the cell containing the formula.

In Java, call-by-value is only used with:

a. objects b. primitive types c. this d. all of the above