問題文
A body is choosing the marks it will use to tell whether a program has been altered, while it also writes what its scheme for holding settings stands behind. The paper has to separate what each mark can do, and it also has to state how many things that scheme stands behind. Which pair fits that separation and that count?
選択肢
- the summing mark guards against more than chance change while the signing mark can be quietly put back by an intruder, and the things the scheme for holding settings stands behind come to 3.
- the signing mark guards against more than chance change while the summing mark can be quietly put back by an intruder, and the things the scheme for holding settings stands behind come to 2.
- the summing mark guards against more than chance change while the signing mark can be quietly put back by an intruder, and the things the scheme for holding settings stands behind come to 2.
- the signing mark guards against more than chance change while the summing mark can be quietly put back by an intruder, and the things the scheme for holding settings stands behind come to 3.