1. B
2. B
3. A
4. D
5. B
6. T
7. T
8. T
9. F
10. T
11. Service
12. Automatic
13. Manual
14. Disable
15. A service pack is a compliation of patches, which are a compliation of hot fixes.
16. It makes sure all software is up to date.
17. They provide a pre-defined set of security parameters to set up a baseline.
18. Unplug it from the wall, install a firewall, close open ports
19. An open mail relay relays any mail sent to its ports, It can be prevented by turning off mail forwarding.
20. A rule base establishes a starting set of standards to create a base of security.