You Run Operations for a Company That Processes Digital Wallet

question 366

Multiple Choice

You run operations for a company that processes digital wallet payments at a very high volume. One second of downtime, during which you drop payments or are otherwise unavailable, loses you on average USD 100. You balance the financials of the transaction system once per day. Which database setup is best suited to address this business risk?

• A) A multi-AZ RDS deployment with synchronous replication to multiple standbys and read-replicas for fast failover and ACID properties.
• B) A multi-region, multi-master, active-active RDS configuration using database-level ACID design principles with database trigger writes for replication.
• C) A multi-region, multi-master, active-active DynamoDB configuration using application control-level BASE design principles with change-stream write queue buffers for replication.
• D) A multi-AZ DynamoDB setup with changes streamed to S3 via AWS Kinesis, for highly durable storage and BASE properties.

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Definitions:

Factors That Influence

Various elements or conditions that affect outcomes or decisions in a specific context.

Cultural Awareness

Gaining in-depth awareness of one's own background, stereotypes, biases, prejudices, and assumptions about other people.

Self-Examination

A personal assessment process aimed at detecting signs of disease or abnormalities, often used in the context of cancer screening.

Cultural Care

Refers to healthcare practices that are influenced and informed by the cultural beliefs, values, and practices of the patient.