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Snowflake COF-R02 Exam Syllabus Topics:

Snowflake SnowPro Core Recertification Sample Questions:

Question 1

Which of the following DML commands isn't supported by Snowflake?

A. UPSERT
B. MERGE
C. TRUNCATE TABLE
D. UPDATE

Question 2

How does Snowflake Fail-safe protect data in a permanent table?

A. Fail-safe makes data available for 7 days, recoverable by user operations.
B. Fail-safe makes data available up to 1 day, recoverable only by Snowflake Support.
C. Fail-safe makes data available up to 1 day, recoverable by user operations.
D. Fail-safe makes data available for 7 days, recoverable only by Snowflake Support.

Question 3

How would you determine the size of the virtual warehouse used for a task?

A. If using the stored procedure to execute multiple SQL statements, it's best to test run the stored procedure separately to size the compute resource first
B. Root task may be executed concurrently (i.e. multiple instances), it is recommended to leave some margins in the execution window to avoid missing instances of execution
C. Since task infrastructure is based on running the task body on schedule, it's recommended to configure the virtual warehouse for automatic concurrency handling using Multi-cluster warehouse (MCW) to match the task schedule
D. Querying (select) the size of the stream content would help determine the warehouse size. For example, if querying large stream content, use a larger warehouse size

Question 4

True or False: A Virtual Warehouse consumes Snowflake credits even when inactive.

A. False
B. True

Question 5

When reviewing the load for a warehouse using the load monitoring chart, the chart indicates that a high volume of Queries are always queuing in the warehouse According to recommended best practice, what should be done to reduce the Queue volume? (Select TWO).

A. Scale up the warehouse size to allow Queries to execute faster.
B. Migrate some queries to a new warehouse to reduce load
C. Stop and start the warehouse to clear the queued queries
D. Use multi-clustered warehousing to scale out warehouse capacity.
E. Limit user access to the warehouse so fewer queries are run against it.

Solutions: