Exam AWS Certified Solutions Architect - Associate SAA-C03 topic 1 question 1002 discussion

Following keywords robust: provisioned capacity reduces cost continuously available: global tables resilient: multiple regions enhances available

c &d can do 2 ways rep. But C need user logic to handle conflict ,so it not robust

https://docs.aws.amazon.com/wellarchitected/latest/serverless-applications-lens/capacity.html

DynamoDB Streams for replication are less expensive than Global tables. On-demand capacity mode can be less expensive than provisionned mode. Multi region deployment ensure high availability.

D. Use DynamoDB global tables for automatic multi-Region replication. Deploy tables in multiple AWS Regions. Use provisioned capacity mode. Enable auto scaling. Explanation: DynamoDB global tables automatically replicate data across multiple Regions, ensuring that the data is available and consistent across all Regions. This provides resilience and high availability by allowing users in different geographical locations to access data from the closest Region. Provisioned capacity mode allows you to pre-allocate read and write capacity units, which can result in cost savings over on-demand capacity mode if the traffic is predictable. Additionally, auto scaling can be enabled to dynamically adjust the capacity based on the actual traffic, ensuring that you only pay for the capacity that you need. Multi-Region deployment improves the resilience of the system. If a failure occurs in one Region, another Region can seamlessly take over, ensuring an uninterrupted gaming experience.