1. What are the ways through which quantitative reliability specification is useful? 2. What are the three guidelines you should follow when specifying reliability requirements? 3. What are the four activities in a hazard-driven safety specification process? 4. Give some examples of the hazards that may arise in the insulin pump system. 5. Explain the three risk categories that are used in hazard assessment. 6. Justify each of the safety (user) requirements in Tables 12.9, write each of them in more details in the form of system requirements. 7. Explain the reasons why security is a more challenging problem than safety. 8. What are the 10 types of security requirements that may be included in a system specification as identified by Firesmith (Firesmith 2003). 9. Draw the chart and explain the stages of the risk-driven security requirements process. 10. Discuss some examples of the Mentcare system security requirements and associated risks