A company has several Amazon DynamoDB tables in an AWS Region.

Amazon Web Services SAP-C02 Question Answer

A company has several Amazon DynamoDB tables in an AWS Region. Each table has more than 100,000 records and was created with default table settings.

To reduce costs, the company needs to identify unused tables. However, the company must maintain the availability and current performance capability of the tables in case the company must use the tables in the future.

Which combination of steps will meet these requirements? (Select THREE.)

In Amazon CloudWatch, graph the sum of the ReadThrottleEvents metric and the sum of the WriteThrottleEvents metric for each table over a period of 1 month.

In Amazon CloudWatch, graph the sum of the ConsumedReadCapacityUnits metric and the sum of the ConsumedWriteCapacityUnits metric for each table over a period of 1 month.

Change the provisioned RCUs to 1 for the unused tables. Change the provisioned WCUs to 1 for the unused tables.

Change the capacity mode of the unused tables to on-demand mode.

Change the table class of the unused tables to DynamoDB Standard-Infrequent Access (DynamoDB Standard-IA).

Purchase a reserved capacity of 1 RCU and 1 WCU for each unused table.