ARA-C01 Snowflake Architecture Practice Question
Exhibit
SELECT * FROM sales_data WHERE sale_date = '2023-01-01'; -- Query executed in 0.2 seconds -- Query Profile: Result Cache used
Refer to the exhibit. A user runs a query that returns results in 0.2 seconds and shows 'Result Cache used' in the Query Profile. Where did Snowflake retrieve this data from?
⚠ Common exam trap
Candidates often mistakenly believe the Result Cache is stored within the Virtual Warehouse. They assume that if a warehouse is suspended, the result cache is lost or inaccessible, which is incorrect.
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
✓
The Cloud Services layer.
When Snowflake detects a query that matches a previously executed result set, it uses the Result Cache located in the Cloud Services layer. This avoids spinning up or utilizing a Virtual Warehouse, which is why the execution time is extremely low. Understanding this mechanism is crucial for architects to optimize costs by leveraging existing cached result sets instead of re-running compute-heavy analytical queries unnecessarily.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The Virtual Warehouse local SSD cache.
Why it's wrong here
The Virtual Warehouse local SSD cache stores data retrieved from the centralized storage layer for faster subsequent access. However, result set caching happens at a higher level in the Cloud Services layer and does not involve the Virtual Warehouse compute resources at all for matching queries.
- ✗
The centralized cloud storage bucket.
Why it's wrong here
The centralized cloud storage bucket is the persistence layer where raw micro-partitions reside. Retrieving data from here would require a running Virtual Warehouse and would involve scanning micro-partitions, which takes significantly longer than the 0.2 seconds indicated in the exhibit's result cache scenario.
- ✓
The Cloud Services layer.
Why this is correct
The Cloud Services layer maintains the result cache. When a query is submitted, Snowflake checks if an identical query exists in the cache. If found, the result is returned immediately without utilizing any compute resources from a Virtual Warehouse, providing significant performance and cost efficiency benefits.
- ✗
The local disk of the user's client.
Why it's wrong here
Snowflake does not cache result sets on the client machine. The caching mechanism is entirely server-side, managed by the Cloud Services layer within the Snowflake architecture. Client-side caching is typically handled by third-party drivers or application-level logic, not by the internal Snowflake result cache architecture.
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official Snowflake exam blueprint
This ARA-C01 practice question is part of Courseiva's free Snowflake 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 ARA-C01 exam.