please 500 words and use correct journal references.

Exercise 3-1  This chapters opening scenario illustrates a specific type of incident/disaster.  Using a Web browser, search for information related to preparing an organization 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 contamination 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 implementation? What is the most expensive?  

Also attach plagiarism report , will dispute otherwise