Design Resilient Architectures
Targeted SAA-C03 practice for this exam objective, with an explanation for every answer option.
- Certification
- SAA-C03
- Domain
- Design Resilient Architectures
- Questions
- 10
Practice SAA-C03 Design Resilient Architectures questions with exam-style scenarios, detailed explanations, and option-by-option rationale for this domain.
Example question from this objective
Each option is explained, so the reasoning behind the distractors is part of the answer.
A company needs a consistent, quickly deployable replica of its production infrastructure in a separate DR Region and AWS account. Using Amazon CloudFormation StackSets, select TWO ways it can support this DR objective.
- Enable centralized management and consistent updates of DR stacks across recovery regions and accounts from one CloudFormation template.
- Provide real-time, block-level replication of ledger data between primary storage and DR storage volumes.
- Deploy identical compute, networking, and storage resources for blockchain nodes and smart contract environments across target DR regions and accounts.
- Orchestrate automatic failover of smart contract execution across blockchain networks during a regional outage.
Enable centralized management and consistent updates of DR stacks across recovery regions and accounts from one CloudFormation template. — A single CloudFormation template can be used to deploy and update DR stacks across all specified accounts and Regions. This reduces drift and keeps the recovery environment aligned with production.
Provide real-time, block-level replication of ledger data between primary storage and DR storage volumes. — StackSets deploy infrastructure, but they do not perform block-level or real-time data replication. Replication is handled by services such as EBS snapshots, S3 cross-Region replication, or database replication features.
Deploy identical compute, networking, and storage resources for blockchain nodes and smart contract environments across target DR regions and accounts. — CloudFormation StackSets deploy the same set of AWS resources to multiple target accounts and regions. That fits a DR replica of compute, networking, and storage, keeping the recovery environment consistent with production.
Orchestrate automatic failover of smart contract execution across blockchain networks during a regional outage. — StackSets provision infrastructure resources only. Automatic failover of application behavior requires other services or application logic, such as Route 53, load balancers, or app-specific failover mechanisms.