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مجانا PDF Quiz 2025 COF-C02: Latest Test SnowPro Core Certification Exam Sample Questions

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Snowflake SnowPro Core Certification Exam Sample Questions (Q111-Q116):

NEW QUESTION # 111
Which Query Profile metrics will provide information that can be used to improve query performance? (Select TWO).

A. Local disk IO
B. Spillage
C. Remote disk IO
D. Pruning
E. Synchronization

Answer: C,D

Explanation:
Two key metrics in Snowflake's Query Profile that provide insights for performance improvement are:
Remote Disk IO: This measures the time the query spends waiting on remote disk access, indicating potential performance issues related to I/O bottlenecks.
Pruning: This metric reflects how effectively Snowflake's micro-partition pruning is reducing the data scanned. Better pruning (more partitions excluded) leads to faster query performance, as fewer micro-partitions need to be processed.
These metrics are essential for identifying and addressing inefficiencies in data retrieval and storage access, optimizing overall query performance.

NEW QUESTION # 112
Which account__usage views are used to evaluate the details of dynamic data masking? (Select TWO)

A. QUERY_HISTORY
B. RESOURCE_MONIT ORS
C. POLICY_REFERENCES
D. ROLES
E. ACCESS_HISTORY

Answer: A,C

Explanation:
https://docs.snowflake.com/en/user-guide/security-column-ddm-intro.html#:~:text=DESCRIBE%20MASKING%20POLICY-,Auditing%20Dynamic%20Data%20Masking,a%20masking%20policy%20is%20set.

NEW QUESTION # 113
Increasing the size of a Virtual Warehouse from an X-Small to an X-Large is an example of:

A. Scaling rhythmically
B. Scaling out
C. Scaling up
D. Scaling max

Answer: C

NEW QUESTION # 114
Snowflake users can create a resource monitor at which levels? (Select TWO).

A. Pipe level
B. Virtual warehouse level
C. Cloud services level
D. Account level
E. User level

Answer: B,D

Explanation:
Resource monitors in Snowflake are tools used to track and control the consumption of compute resources, ensuring that usage stays within defined limits. These monitors can be created at the account level, allowing administrators to set overall resource consumption limits for the entire Snowflake account. Additionally, resource monitors can be set at the virtual warehouse level, enabling more granular control over the resources consumed by individual warehouses. This dual-level capability allows organizations to manage their Snowflake usage efficiently, preventing unexpected costs and optimizing performance.
Reference: Snowflake Documentation on Resource Monitors
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NEW QUESTION # 115
Masking policies are created at what level in Snowflake?

A. Table
B. Schema
C. Database
D. Column

Answer: D

Explanation:
Masking policies in Snowflake are created and applied at the column level. These policies are used to obfuscate sensitive data by masking the values in a specific column. Masking policies can enforce data privacy and protection measures by dynamically masking the data based on the role of the user querying the data.
Reference:
Snowflake Documentation: Dynamic Data Masking

NEW QUESTION # 116
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