What You'll Be Tested On
- Design SLA-based availability architectures
- Design backup and disaster recovery solutions
- Design solutions using availability zones and regions
- Calculate composite SLAs for multi-service architectures
Key AWS Services in This Domain
Exam Tips for Domain 3
Composite SLA = SLA₁ × SLA₂ × SLA₃ (each dependency reduces overall SLA).
Availability zones protect against datacenter failures within a region.
RPO defines acceptable data loss; RTO defines acceptable downtime.
Practice Domain 3 Questions
Test your knowledge of Design Business Continuity Solutions with practice questions from our AZ-305 question bank.
Start Practice Quiz →