1-What are the most important tools and technologies for safeguarding information resources?

2-Name and describe three authentication methods.

3-Describe the roles of firewalls, intrusion detection systems, and antivirus software in promoting security.

4-Explain how encryption protects information.

5-Indicate and describe the security issues imposed by cloud computing.

6-What are the main e-commerce business and revenue models?

7-Name and describe the main e-commerce business models.

8-Name and describe the main e-commerce revenue models.