A gaming company is designing a mobile gaming app that will be accessed by many users across the globe. The company wants to have replication and full support for multi-master writes. The company also wants to ensure low latency and consistent performance for app users.
Which solution meets these requirements?

• A.Use Amazon DynamoDB global tables for storage and enable DynamoDB automatic scaling
• B.Use Amazon Neptune for storage
• C.Use Amazon Aurora for storage and enable cross-Region Aurora Replicas
• D.Use Amazon Aurora for storage and cache the user content with Amazon ElastiCache

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A company has an Amazon RDS Multi-AZ DB instances that is 200 GB in size with an RPO of 6 hours. To meet the company's disaster recovery policies, the database backup needs to be copied into another Region. The company requires the solution to be cost-effective and operationally efficient.
What should a Database Specialist do to copy the database backup into a different Region?

• A.Use Amazon RDS automated snapshots and use AWS Lambda to copy the snapshot into another Region
• B.Use Amazon RDS automated snapshots every 6 hours and use Amazon S3 cross-Region replication to copy the snapshot into another Region
• C.Create an AWS Lambda function to take an Amazon RDS snapshot every 6 hours and use a second Lambda function to copy the snapshot into another Region
• D.Create a cross-Region read replica for Amazon RDS in another Region and take an automated snapshot of the read replica

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A database specialist has been entrusted by an ecommerce firm with designing a reporting dashboard that visualizes crucial business KPIs derived from the company's primary production database running on Amazon Aurora. The dashboard should be able to read data within 100 milliseconds after an update.
The Database Specialist must conduct an audit of the Aurora DB cluster's present setup and provide a cost-effective alternative. The solution must support the unexpected read demand generated by the reporting dashboard without impairing the DB cluster's write availability and performance.
Which solution satisfies these criteria?

• A.Create a separate DB cluster for the new workload, refresh from the source DB cluster, and set up ongoing replication using AWS DMS change data capture (CDC).
• B.Add an automatic scaling policy to the DB cluster to add Aurora Replicas to the cluster based on CPU consumption.
• C.Turn on the serverless option in the DB cluster so it can automatically scale based on demand.
• D.Provision a clone of the existing DB cluster for the new Application team.

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A retail company is about to migrate its online and mobile store to AWS. The company's CEO has strategic plans to grow the brand globally. A Database Specialist has been challenged to provide predictable read and write database performance with minimal operational overhead.
What should the Database Specialist do to meet these requirements?

• A.Use Amazon DynamoDB global tables to synchronize transactions
• B.Use Amazon EMR to copy the orders table data across Regions
• C.Use Amazon Aurora Global Database to synchronize all transactions
• D.Use Amazon DynamoDB Streams to replicate all DynamoDB transactions and sync them

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The Security team for a finance company was notified of an internal security breach that happened 3 weeks ago. A Database Specialist must start producing audit logs out of the production Amazon Aurora PostgreSQL cluster for the Security team to use for monitoring and alerting. The Security team is required to perform real-time alerting and monitoring outside the Aurora DB cluster and wants to have the cluster push encrypted files to the chosen solution.
Which approach will meet these requirements?

• A.Use pg_audit to generate audit logs and send the logs to the Security team.
• B.Turn on verbose logging and set up a schedule for the logs to be dumped out for the Security team.
• C.Use AWS CloudTrail to audit the DB cluster and the Security team will get data from Amazon S3.
• D.Set up database activity streams and connect the data stream from Amazon Kinesis to consumer applications.

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