The answer is the io2 Provisioned IOPS SSD volume type, as it is specifically engineered for latency-sensitive transactional database workloads that demand consistent high IOPS. Unlike gp3, which can burst but may throttle under sustained pressure, io2 guarantees a provisioned IOPS rate—up to 256,000 IOPS with io2 Block Express—and delivers 99.999% durability, ensuring enforceable performance control during normal operations. On the SAA-C03 exam, this question tests your ability to distinguish between EBS volume families for database vs. throughput-oriented tasks; a common trap is choosing io1 (the older generation) or gp3 with maxed settings, but io2 is the superior choice for consistency and durability. Remember the mnemonic: “io2 = I/O to the second power,” reinforcing that it provides both high IOPS and five-nines durability for transactional databases.
SAA-C03 io2 is a Provisioned IOPS SSD volume type. Practice Question
This SAA-C03 practice question tests your understanding of design high-performing architectures. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. A key principle to apply: io2 is a Provisioned IOPS SSD volume type.. 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.
A media archive requires consistent high IOPS for a transactional database on EC2. Which EBS volume type is most suitable? The team wants the control to be enforceable during normal operations.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Provisioned IOPS SSD such as io2
The io2 Provisioned IOPS SSD volume type is designed for latency-sensitive transactional database workloads that require consistent high IOPS. It allows you to specify a guaranteed IOPS rate (up to 256,000 IOPS for io2 Block Express) and provides 99.999% durability, making it ideal for enforcing performance control during normal operations.
Key principle: io2 is a Provisioned IOPS SSD volume type.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✓
Provisioned IOPS SSD such as io2
Why this is correct
io2 is designed for business-critical workloads requiring consistent high IOPS and durability.
Related concept
io2 is a Provisioned IOPS SSD volume type.
✗
st1 Throughput Optimized HDD
Why it's wrong here
st1 is for throughput-oriented sequential workloads, not high-IOPS transactional databases.
✗
Instance store only
Why it's wrong here
Instance store can be fast but is ephemeral and not generally suitable for durable databases.
✗
sc1 Cold HDD
Why it's wrong here
sc1 is low-cost cold storage with lower performance.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse throughput-optimized HDD (st1) with IOPS-focused SSD, assuming 'high throughput' implies high IOPS, but st1 is designed for sequential access and cannot provide the low-latency random I/O that transactional databases require.
Detailed technical explanation
How to think about this question
Provisioned IOPS SSD volumes (io1/io2) use a dedicated Nitro controller on supported instances to deliver consistent IOPS within a 1 ms latency window, even under high queue depths. The io2 volume type also supports multi-attach for clustered databases and uses a checksum-based integrity mechanism to detect and repair silent data corruption, which is critical for transactional integrity in media archives.
KKey Concepts to Remember
io2 is a Provisioned IOPS SSD volume type.
io2 is designed for business-critical applications requiring consistent high IOPS.
io2 offers the highest durability among EBS volume types (99.999% annual failure rate).
You explicitly provision IOPS and throughput for io2 volumes.
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
io2 is a Provisioned IOPS SSD volume type.
Real-world example
How this comes up in practice
A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
What to study next
Got this wrong? Here's your next step.
Review io2 is a Provisioned IOPS SSD volume type., then practise related SAA-C03 questions on the same topic to reinforce the concept.
Design High-Performing Architectures — This question tests Design High-Performing Architectures — io2 is a Provisioned IOPS SSD volume type..
What is the correct answer to this question?
The correct answer is: Provisioned IOPS SSD such as io2 — The io2 Provisioned IOPS SSD volume type is designed for latency-sensitive transactional database workloads that require consistent high IOPS. It allows you to specify a guaranteed IOPS rate (up to 256,000 IOPS for io2 Block Express) and provides 99.999% durability, making it ideal for enforcing performance control during normal operations.
What should I do if I get this SAA-C03 question wrong?
Review io2 is a Provisioned IOPS SSD volume type., then practise related SAA-C03 questions on the same topic to reinforce the concept.
What is the key concept behind this question?
io2 is a Provisioned IOPS SSD volume type.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A media archive requires consistent high IOPS for a transactional database on EC2. Which EBS volume type is most suitable?
medium
✓ A.Provisioned IOPS SSD such as io2
B.st1 Throughput Optimized HDD
C.Instance store only
D.sc1 Cold HDD
Why A: The scenario requires consistent high IOPS for a transactional database, which demands low-latency, predictable performance. Provisioned IOPS SSD volumes like io2 are designed specifically for such workloads, offering up to 256,000 IOPS per volume with 99.999% durability, making them the most suitable choice for consistent high IOPS.
Variation 2. A media archive requires consistent high IOPS for a transactional database on EC2. Which EBS volume type is most suitable? The architecture review board prefers a managed AWS-native control.
medium
✓ A.Provisioned IOPS SSD such as io2
B.st1 Throughput Optimized HDD
C.Instance store only
D.sc1 Cold HDD
Why A: The io2 Provisioned IOPS SSD volume type is designed for latency-sensitive transactional workloads that require consistent, high IOPS. It provides a service-level agreement (SLA) of 99.999% durability and supports up to 256,000 IOPS per volume, making it ideal for a database on EC2 that demands predictable performance. As a managed AWS-native EBS volume, it aligns with the architecture review board's preference for a fully AWS-controlled storage solution.
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Question Discussion
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