AWS Certified Solutions Architect Associate SAA-C03 Practice Question
A company requires a solution to maintain continuity of their NoSQL database service, which hosts a globally distributed, high-traffic application. The primary requirement is to have a synchronous, live replica of the dataset in multiple regions to meet strict RPO and RTO requirements. What feature should they utilize to achieve efficient replication with the least administrative overhead?
Implement a change data capture mechanism using a stream processing service and custom functions for replication.
Employ a third-party tool designed to handle cross-region dataset synchronization for NoSQL databases.
Activate the native multi-region table feature that supports live replication.
Establish a scheduled process to copy snapshots to other regions regularly.
The use of a multi-region, fully managed database with built-in replication capabilities is the best solution for meeting strict RPO and RTO while also minimizing administrative overhead. Enabling the option for a NoSQL database to natively replicate its data across geographical regions will ensure real-time data availability and low latency access for a high-traffic, distributed application. This replicates data automatically and resolves conflicts between replicas which is essential for consistency across regions. Options involving manual steps, periodic synchronization, or backup and restore strategies are more complex to manage and do not meet the synchronous replication requirement.
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