- A
m5.24xlarge
Why wrong: Option A is wrong because m5 instances are general purpose and may not have enough memory.
- B
t3.2xlarge
Why wrong: Option B is wrong because t3 instances are burstable and not suitable for production HANA.
- C
r5.24xlarge
R5.24xlarge is memory-optimized with 768 GiB of memory and 96 vCPUs, providing a significant upgrade from r5.8xlarge (256 GiB, 32 vCPUs). This directly addresses the high CPU and memory usage reported.
- D
r5b.8xlarge
Why wrong: R5b.8xlarge has the same instance size (8xlarge) as the current instance, offering similar CPU and memory (256 GiB). The 'b' variant provides better network bandwidth but does not increase compute or memory resources, so it would not resolve the performance issue.
Question 1,529 of 1,733
PAS-C01 Memory-optimized instances Practice Question
This PAS-C01 practice question tests your understanding of technology. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. A key principle to apply: memory-optimized instances. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
An SAP administrator is troubleshooting a performance issue on an SAP HANA database running on an r5.8xlarge EC2 instance. The application team reports that queries are slow during peak hours. CloudWatch metrics show high CPU utilization and high memory usage. Which instance type should the administrator choose to improve performance?
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
✓
r5.24xlarge
Option C is correct because the r5.24xlarge provides more CPU and memory than r5.8xlarge. Option A (m5.24xlarge) is wrong because m5 instances are general purpose and may not have enough memory for SAP HANA. Option B (t3.2xlarge) is wrong because t3 instances are burstable and not suitable for production HANA workloads. Option D (r5b.8xlarge) is wrong because while r5b is similar, it does not provide the additional CPU and memory required; upgrading to a larger instance size is more appropriate.
Key principle: Memory-optimized instances
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
m5.24xlarge
Why it's wrong here
Option A is wrong because m5 instances are general purpose and may not have enough memory.
- ✗
t3.2xlarge
Why it's wrong here
Option B is wrong because t3 instances are burstable and not suitable for production HANA.
- ✓
r5.24xlarge
Why this is correct
R5.24xlarge is memory-optimized with 768 GiB of memory and 96 vCPUs, providing a significant upgrade from r5.8xlarge (256 GiB, 32 vCPUs). This directly addresses the high CPU and memory usage reported.
Related concept
Memory-optimized instances
- ✗
r5b.8xlarge
Why it's wrong here
R5b.8xlarge has the same instance size (8xlarge) as the current instance, offering similar CPU and memory (256 GiB). The 'b' variant provides better network bandwidth but does not increase compute or memory resources, so it would not resolve the performance issue.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Trap categories for this question
Similar concept trap
R5b.8xlarge has the same instance size (8xlarge) as the current instance, offering similar CPU and memory (256 GiB). The 'b' variant provides better network bandwidth but does not increase compute or memory resources, so it would not resolve the performance issue.
Detailed technical explanation
How to think about this question
Treat this as a scenario question. Identify the problem, the constraint, and the best action. Then compare each option against those facts.
KKey Concepts to Remember
- Memory-optimized instances
- SAP HANA sizing
- Burstable instances (T3)
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Memory-optimized instances
Real-world example
How this comes up in practice
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Memory-optimized instances Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
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FAQ
Questions learners often ask
What does this PAS-C01 question test?
Technology — This question tests Technology — Memory-optimized instances.
What is the correct answer to this question?
The correct answer is: r5.24xlarge — Option C is correct because the r5.24xlarge provides more CPU and memory than r5.8xlarge. Option A (m5.24xlarge) is wrong because m5 instances are general purpose and may not have enough memory for SAP HANA. Option B (t3.2xlarge) is wrong because t3 instances are burstable and not suitable for production HANA workloads. Option D (r5b.8xlarge) is wrong because while r5b is similar, it does not provide the additional CPU and memory required; upgrading to a larger instance size is more appropriate.
What should I do if I get this PAS-C01 question wrong?
Review memory-optimized instances, then practise related PAS-C01 questions on the same topic to reinforce the concept.
What is the key concept behind this question?
Memory-optimized instances
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Last reviewed: Jun 20, 2026
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