Which of the following factor(s) should the provider consider in order to improve reliability, availability and security issues in a cloud system?
1. Access control and availability managements
2. Vulnerability and problem management
3. Patch and configuration management
4. Countermeasure against security problems
5. Monitoring the unauthorized access
Options
- All
- All except 1
- All except 2 & 3
- All except 5
- None of the given options