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DBS-C01 · Question #151

DBS-C01 Question #151: Real Exam Question with Answer & Explanation

The correct answer is B: Change to a database instance class with higher throughput.. https://aws.amazon.com/blogs/database/best-storage-practices-for-running-production- workloads-on-hosted-databases-with-amazon-rds-or-amazon-ec2/ "If you find the pattern of IOPS usage consistently going beyond more than 16,000, you should modify the DB instance and change the st

Submitted by yasin.bd· Mar 6, 2026Management and Operations

Question

A company is using a Single-AZ Amazon RDS for MySQL DB instance for development. The DB instance is experiencing slow performance when queries are executed. Amazon CloudWatch metrics indicate that the instance requires more I/O capacity. Which actions can a database specialist perform to resolve this issue? (Choose two.)

Options

  • ARestart the application tool used to execute queries.
  • BChange to a database instance class with higher throughput.
  • CConvert from Single-AZ to Multi-AZ.
  • DIncrease the I/O parameter in Amazon RDS Enhanced Monitoring.
  • EConvert from General Purpose to Provisioned IOPS (PIOPS).

Explanation

https://aws.amazon.com/blogs/database/best-storage-practices-for-running-production- workloads-on-hosted-databases-with-amazon-rds-or-amazon-ec2/ "If you find the pattern of IOPS usage consistently going beyond more than 16,000, you should modify the DB instance and change the storage type from gp2 to io1.

Topics

#RDS MySQL#performance optimization#I/O capacity#instance types#Provisioned IOPS

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