Snowflake COF-C02 Online Practice Questions and Exam Preparation

Snowflake COF-C02 Online Questions & Answers

• Question 1621:

  How does a Snowflake user execute an anonymous block of code?

  A. The user must run the CALL command to execute the block.
  B. The statements that define the block must also execute the block.
  C. The SUBMIT command must run immediately after the block is defined
  D. The block must be saved to a worksheet and executed using a connector.
  B. The statements that define the block must also execute the block.

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  Explanation

• Question 1622:

  Increasing the maximum number of clusters in a Multi-Cluster Warehouse is an example of:

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

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  Explanation

  https://docs.snowflake.com/en/user-guide/warehouses-considerations.html#scaling-up-vs-scaling-out "Scale out by adding warehouses to a multi-cluster warehouse"

• Question 1623:

  When would creating and using a standard view be preferable to using a materialized view?

  A. The underlying query of the view takes a lot of time to run.
  B. The underlying query of the view is resource-intensive.
  C. The underlying query of the view is run on large data sets.
  D. The view results change often.
  D. The view results change often.

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  Explanation

• Question 1624:

  How can a row access policy be applied to a table or a view? (Choose two.)

  A. Within the policy DDL
  B. Within the create table or create view DDL
  C. By future APPLY for all objects in a schema
  D. Within a control table
  E. Using the command ALTER ADD ROW ACCESS POLICY ;
  B. Within the create table or create view DDL
  E. Using the command ALTER ADD ROW ACCESS POLICY ;

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  Explanation

• Question 1625:

  Which Snowflake URL type is used by directory tables?

  A. File
  B. Pre-signed
  C. Scoped
  D. Virtual-hosted style
  A. File

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  Explanation

• Question 1626:

  Queries are frequently run on very large tables and return only a few rows.

  Use of which feature or service will optimize the query performance?

  A. Automatic Clustering
  B. The Search Optimization Service
  C. The Query Acceleration Service
  D. A Materialized View
  B. The Search Optimization Service

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  Explanation

  Search Optimization Service enhances performance for selective queries that return a small number of rows from large datasets. It avoids full table scans.

  Snowflake Docs: Search Optimization Service

• Question 1627:

  What step does Snowflake recommend when loading data from a stage?

  A. Use PURGE when using the COPY INTO command.
  B. Use REMOVE when using the COPY INTO command.
  C. Use the LOAD HISTORY function to view the status of loaded files.
  D. Use the COPY HISTORY function to update the status of loaded files.
  C. Use the LOAD HISTORY function to view the status of loaded files.

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  Explanation

  Snowflake recommends using the COPY INTO

  ... command to load data from a stage into a table. After the data is loaded, the LOAD HISTORY function (which can be accessed via the INFORMATION_SCHEMA.LOAD_HISTORY view or by querying the COPY_HISTORY table function) is used to view the status of loaded files. This helps to ensure that files are loaded correctly and to check for any errors during the load process.

  Question 1628:

  What does the Activity area of Snowsight allow users to do? (Choose two.)

  A. Schedule automated data backups.
  B. Explore each step of an executed query.
  C. Monitor queries executed by users in an account.
  D. Create and manage user roles and permissions.
  E. Access Snowflake Marketplace to find and integrate datasets.

  B. Explore each step of an executed query.
  C. Monitor queries executed by users in an account.

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  Explanation

  The keyword is activity area!

  The Activity area of Snowsight, the Snowflake web interface, lets you:

  1)Monitor queries executed by users in your account.

  2)View details about queries.

  3)View performance data.

  4)Explore each step of an executed query.

  5)Monitor the status of data loading using COPY INTO (bulk loading) and pipes (continuous loading).

  6)View details about instances of bulk and continuous data loading.

  7)Navigate to the copy history for individual tables.

  https://docs.snowflake.com/en/user-guide/ui-snowsight-activity

  Question 1629:

  Network policies can be applied to which of the following Snowflake objects? (Choose two.)

  A. Roles
  B. Databases
  C. Warehouses
  D. Users
  E. Accounts

  D. Users
  E. Accounts

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  Explanation

  https://docs.snowflake.com/en/user-guide/network-policies.html#label-verify-network-policy-activation

  Question 1630:

  What is the minimum Snowflake Edition that supports secure storage of Protected Health Information (PHI) data?

  A. Standard Edition
  B. Enterprise Edition
  C. Business Critical Edition
  D. Virtual Private Snowflake Edition

  C. Business Critical Edition

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  Explanation

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