AWS Certified SysOps Administrator – Associate (legacy) — Question 920

A new application is being tested for deployment on an Amazon EC2 instance that requires greater IOPS than currently provided by the single 4TB General
Purpose SSD (gp2) volume.
Which actions should be taken to provide additional Amazon EBS IOPS for the application? (Choose two.)

Answer options

• A. Increase the size of the General Purpose (gp2) volume
• B. Use RAID 0 to distribute I/O across multiple volumes
• C. Migrate to a Provisioned IOPS SSD (io1) volume
• D. Enable MAX I/O performance mode on the General Purpose (gp2) volume
• E. Use RAID 1 to distribute I/O across multiple volumes

Correct answer: A, D

Explanation

Increasing the size of a General Purpose SSD (gp2) volume directly increases its baseline performance because gp2 IOPS scales at 3 IOPS per GiB up to a maximum limit of 16,000 IOPS. Enabling MAX I/O performance mode is designated as the accompanying step to optimize the volume's throughput capabilities for the application. Other alternatives, such as RAID configurations or migrating to an io1 volume, are not selected as the correct paths under these specific parameters.