A business utilizes Amazon DynamoDB to power a web-based survey program. A Database Specialist encounters the ProvisionedThroughputExceededException problem during peak use, while survey answers are being gathered.
What is the Database Specialist's role in resolving this issue? (Select two.)
Correct Answer:
CE
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Reference:
https://forums.aws.amazon.com/thread.jspa?threadID=174315
A business's customer relationship management (CRM) system is hosted on an Amazon RDS for PostgreSQL DB instance. According to new compliance rules, the database must be encrypted at rest.
Which course of action will satisfy these criteria?
Correct Answer:
C
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Reference:
https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/Overview.Encryption.html
On an Amazon RDS for PostgreSQL Multi-AZ DB instance, a business conducts online transaction processing (OLTP) workloads. After-hours tests were done on the database, generating extra database logs. Due to these extra logs, the RDS DB instance's free storage space is limited.
What should the business do to handle this problem of space constraint?
Correct Answer:
B
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Amazon Aurora MySQL is being used by an ecommerce business to migrate its main application database. The firm is now doing OLTP stress testing using concurrent database connections. A database professional detected sluggish performance for several particular write operations during the first round of testing.
Examining the Amazon CloudWatch stats for the Aurora DB cluster revealed a CPU usage of 90%.
Which actions should the database professional take to determine the main cause of excessive CPU use and sluggish performance most effectively? (Select two.)
Correct Answer:
BC
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Reference:
https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_PerfInsights.API.html