Exam Objectives 3.4
Explain the importance of resilience and recovery in security architecture.
- High availability: Continuous system operation with minimal downtime or disruptions:
- Load balancing: Distributing work for optimal system performance
- Clustering: Nodes collaborate for high availability and fault tolerance
- Site considerations: Different site options for disaster recovery planning:
- Hot: Fully equipped backup site, ready for immediate use
- Cold: Inactive backup site, minimal resources, longer setup
- Warm: Partially equipped backup site, faster setup than cold
- Geographic dispersion: Spreading resources across multiple locations for resilience
- Platform diversity: Implementing diverse technologies for resilience
- Multi-cloud systems: Leveraging multiple cloud providers for redundancy
- Continuity of operations: Maintaining seamless functionality during disruptions
- Capacity planning: Strategic resource allocation for resilience:
- People: Skills, training, and roles...