PAS-C01 Operations and Maintenance Practice Question
Network Topology
An administrator runs the command shown in the exhibit to check the status of an EBS volume attached to an SAP HANA instance. The volume is 200 GB gp3 and is attached to instance i-0a1b2c3d4e5f67890. The administrator wants to increase the I/O performance. The volume is currently set to 3000 IOPS (baseline for gp3). Which action will increase IOPS without downtime?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Modify the volume's IOPS setting to a higher value (e.g., 6000) using the modify-volume API.
Gp3 volumes allow modifying IOPS independently of size without detaching or downtime. Option B is incorrect because increasing the size does not directly increase IOPS; gp3 IOPS can be modified independently. Option C is incorrect because changing to io2 Block Express would require detaching or stopping the instance, causing downtime. Option D is incorrect because creating a new volume from a snapshot requires detaching the original volume, causing downtime, and does not directly increase IOPS on the existing volume.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Modify the volume's IOPS setting to a higher value (e.g., 6000) using the modify-volume API.
Why this is correct
gp3 supports modifying IOPS without downtime.
- ✗
Detach the volume, increase the size to 500 GB, and reattach.
Why it's wrong here
Detaching causes downtime and increasing size does not directly increase IOPS for gp3.
- ✗
Modify the volume type to io2 Block Express and increase IOPS.
Why it's wrong here
Changing volume type may require detaching or stopping the instance.
- ✗
Take a snapshot of the volume and create a new volume with higher IOPS from the snapshot.
Why it's wrong here
This would require replacing the volume, causing downtime.
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