Question

Your computer's hard drive has crashed and all data has been lost. To safeguard against data loss, you should have
a.kept a tape backup, b. used a password on all confidential files
c. stored your data frequently while working, d. an uninterrupted power supply

Answer 1

Answers a and c would certainly have helped.

Answers b and d wouldn't prevent the computer's hard drive from crashing!

What do you think is better? a or c?

Answer 2

All the answers I have are correct and I will also give page numbers for your references.

1. C (Pg.17)
2. A
3. D
4. D (Pg.13)
5. A
6. A (Pg.47)
7. A (Pg.22)
8. C (Pg.22)
9. D (Pg.39)
10. B (Pg.54)
11. A (Pg.27)
12. A (Pg.24)
13. C (Pg.15)
14. D (Pg.47)
15. D
16. A (Pg.25)
17. D (Pg.56)
18. C (Pg.22)
19. A
20. A (Pg.42)