COF-C03 Account Management and Data Governance Practice Question
What is the primary purpose of a 'Tag' in Snowflake from a data governance perspective?
⚠ Common exam trap
Candidates frequently confuse tags with access control privileges or data masking policies, incorrectly believing that tags themselves restrict access rather than just labeling or categorizing data objects for governance.
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
✓
To identify and track sensitive data for compliance.
Tags in Snowflake are used to label and categorize data objects for governance, reporting, and cost allocation. By applying a tag to a table or column, an administrator can track sensitive data across the entire account. This allows for automated reporting on data lineage and compliance, enabling teams to quickly identify where PII or other critical information resides for regulatory auditing and risk management purposes.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
To increase query performance for joins.
Why it's wrong here
Tags have no impact on query performance or join optimization. Performance is managed through clustering keys, search optimization, and proper warehouse sizing. Using tags for performance tuning is a misunderstanding of their purpose, which is strictly for labeling and metadata tracking within the governance framework.
- ✓
To identify and track sensitive data for compliance.
Why this is correct
Tags are essential for data discovery and governance. They allow administrators to mark tables or columns (e.g., 'PII' = 'True') and then use account-level views to query those tags. This makes it easy to audit sensitive data locations and verify compliance with internal and external policies.
- ✗
To define the access level of a user.
Why it's wrong here
Access levels are defined using Role-Based Access Control (RBAC), not tags. Tags are metadata labels and do not grant or restrict permissions on their own. Confusing tags with RBAC permissions is a significant security risk, as tags cannot be used to enforce authorization in the Snowflake system.
- ✗
To compress data for storage savings.
Why it's wrong here
Snowflake automatically compresses data using proprietary, highly efficient algorithms during the ingestion process. Tags do not influence the storage layer, compression ratios, or physical data footprint. They are purely logical metadata constructs used for organizing and identifying objects rather than managing physical data layout.
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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
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