This DP-203 practice question tests your understanding of design and implement data storage. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. 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.
Which TWO Azure Blob Storage access tiers are suitable for data that must be available within milliseconds but is accessed infrequently (e.g., once per month)?
Cool
Low latency, lower storage cost, designed for infrequent access.
Hot
Low latency, but higher cost; suitable if access pattern is unpredictable.
Premium
Why wrong: Optimized for high transaction rates, not cost-effective for infrequent access.
Cold
Why wrong: Cold tier is not a standard access tier in Azure Blob Storage.
Archive
Why wrong: Retrieval latency is hours, not milliseconds.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Cool
The Cool tier is designed for data that is accessed infrequently (e.g., once per month) but still requires low latency (milliseconds) on access. It offers a lower storage cost than Hot but with a higher access cost, making it ideal for infrequent reads where immediate availability is needed.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Cool
Why this is correct
Low latency, lower storage cost, designed for infrequent access.
Related concept
Read the scenario before looking for a memorised answer.
Hot
Why this is correct
Low latency, but higher cost; suitable if access pattern is unpredictable.
Related concept
Read the scenario before looking for a memorised answer.
Premium
Why it's wrong here
Optimized for high transaction rates, not cost-effective for infrequent access.
Cold
Why it's wrong here
Cold tier is not a standard access tier in Azure Blob Storage.
Archive
Why it's wrong here
Retrieval latency is hours, not milliseconds.
Common exam traps
The trap here is that candidates often confuse 'infrequent access' with 'cold storage' and select Cold or Archive, forgetting that Cool is the correct tier for infrequent access with millisecond latency requirements.
Detailed technical explanation
Under the hood, Azure Blob Storage tiers are enforced at the blob level via the 'AccessTier' property, and the Cool tier uses the same underlying storage infrastructure as Hot but with different pricing and SLA guarantees (e.g., 99.9% availability for Cool vs. 99.99% for Hot). A real-world scenario is storing monthly sales reports that are queried on-demand by auditors; Cool tier provides the necessary low-latency access without the higher cost of Hot storage.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
What to study next
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FAQ
Design and implement data storage — This question tests Design and implement data storage — Read the scenario before looking for a memorised answer..
The correct answer is: Cool — The Cool tier is designed for data that is accessed infrequently (e.g., once per month) but still requires low latency (milliseconds) on access. It offers a lower storage cost than Hot but with a higher access cost, making it ideal for infrequent reads where immediate availability is needed.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 24, 2026
This DP-203 practice question is part of Courseiva's free Microsoft 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 DP-203 exam.
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