Exercise 3-1   This chapter’s opening scenario illustrates a specific type of incident/disaster. Using a Web browser, search for information related to preparing an organiza- tion against terrorist attacks. Look up information on (a) anthrax or another   biological attack (like smallpox), (b) sarin or another toxic gas, (c) low-level radiological con- tamination attacks.   Exercise 3-2   Using a Web browser, search for available commercial applications that use various forms of RAID technologies, such as RAID 0 through RAID 5. What is the most common implemen- tation? What is the most expensive?      Discussion:   Search “scholar.google.com” for a company or school that has reported issues, problems, concerns about their backup procedures. Discuss the issue of securing backups. There have been several incidents lately in which backup media containing personal customer information were lost or stolen. How should backup media be secured? What about off-site storage of backups?