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Snowflake Certification
COF-C02 Exam
Snowflake.COF-C02.v2024-11-28.q521 Dumps

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Question 406

Which clients does Snowflake support Multi-Factor Authentication (MFA) token caching for? (Select TWO).

A.GO driver
B.Spark connector
C.Node.js driver
D.Python connector
E.ODBC driver

Correct Answer: D,E

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Question 407

What is the MINIMUM size of a table for which Snowflake recommends considering adding a clustering key?

A.1 Kilobyte (KB)
B.1 Megabyte (MB)
C.1 Gigabyte (GB)
D.1 Terabyte (TB)

Correct Answer: D

Snowflake recommends considering adding a clustering key to a table when its size reaches 1 Terabyte (TB) or larger. Clustering keys help optimize the storage and query performance by organizing the data in a table based on the specified columns. This is particularly beneficial for large tables where data retrieval can become inefficient without proper clustering.
* Why Clustering Keys Are Important: Clustering keys ensure that data stored in Snowflake is physically ordered in a way that aligns with the most frequent access patterns, thereby reducing the amount of scanned data during queries and improving performance.
* Recommendation Basis: The recommendation for tables of size 1 TB or larger is based on the observation that smaller tables generally do not benefit as much from clustering, given Snowflake's architecture. However, as tables grow in size, the benefits of clustering become more pronounced.
* Implementing Clustering Keys:
* To set a clustering key for a table, you can use the CLUSTER BY clause during table creation or alter an existing table to add it:
CREATE TABLE my_table (... ) CLUSTER BY (column1, column2);
* Or for an existing table:
ALTER TABLE my_table CLUSTER BY (column1, column2);
Reference: For additional information on clustering in Snowflake and recommendations on when to use clustering keys, consult the Snowflake documentation on managing and optimizing data clustering:
https://docs.snowflake.com/en/user-guide/tables-clustering-keys.html

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Question 408

How are network policies defined in Snowflake?

A.They are a set of rules that define the network routes within Snowflake.
B.They are a set of rules that dictate how Snowflake accounts can be used between multiple users.
C.They are a set of rules that define how data can be transferred between different Snowflake accounts within an organization.
D.They are a set of rules that control access to Snowflake accounts by specifying the IP addresses or ranges of IP addresses that are allowed to connect

Correct Answer: D

to Snowflake.

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Question 409

How should a Snowflake use' configure a virtual warehouse to be in Maximized mode''

A.Set the same value for both MIN_CLUSTER_COUNT and MAX_CLUSTER_COUNT.
B.Set the WAREHOUSES_SIZE to 6XL.
C.Set the STATEMENT_TIMEOUT_1M_SECOMES to 0.
D.Set the MAX_CONCURRENCY_LEVEL to a value of 12 or large.

Correct Answer: A

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Question 410

How can a user get the MOST detailed information about individual table storage details in Snowflake?

A.TABLES view
B.TABLE STORAGE METRICS view
C.SHOW TABLES command
D.SHOW EXTERNAL TABLES command

Correct Answer: B

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