PAS-C01 Technology Practice Question
Network Topology
Refer to the exhibit. An SAP HANA administrator runs the command to check the attached volume. The volume is attached to an instance but the database is reporting low IOPS. What should the administrator check next?
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
✓
Check if the EC2 instance is EBS-optimized and has sufficient network bandwidth.
The volume is provisioned with 10,000 IOPS (io1), but the database still reports low IOPS. The most likely cause is that the EC2 instance is not EBS-optimized, which limits the dedicated bandwidth for EBS traffic and can throttle performance. Checking EBS optimization and network bandwidth is the proper next step. Option A is wrong because volume size does not directly determine IOPS; provisioning size does not increase IOPS. Option C is wrong because changing to gp2 would reduce maximum IOPS (gp2 burst credits would not sustain 10,000 IOPS). Option D is wrong because NVMe drivers are required for EBS volumes on Nitro-based instances; if the instance uses Nitro, the NVMe driver must be installed and configured properly. However, low IOPS is more likely due to EBS optimization than driver issues.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Check if the volume size is sufficient; increase to 1 TB.
Why it's wrong here
Check if the volume size is sufficient; increase to 1 TB. [wrong]
- ✓
Check if the EC2 instance is EBS-optimized and has sufficient network bandwidth.
Why this is correct
Check if the EC2 instance is EBS-optimized and has sufficient network bandwidth. [CORRECT]
- ✗
Check if the volume type should be changed to gp2 for better burst performance.
Why it's wrong here
Check if the volume type should be changed to gp2 for better burst performance. [wrong]
- ✗
Check if the instance is using the NVMe driver for the EBS volume.
Why it's wrong here
Check if the instance is using the NVMe driver for the EBS volume. [wrong]
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This PAS-C01 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the PAS-C01 exam.