Snowflake NAS-C01 : SnowPro Specialty - Native Apps

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Snowflake NAS-C01 Exam Syllabus Topics:

Snowflake SnowPro Specialty - Native Apps Sample Questions:

1. You are developing a Snowflake Native App that performs data transformations. The core logic is implemented in a series of stored procedures. You need to implement versioning for your app to allow for future updates and rollbacks. Which of the following steps are REQUIRED to properly implement versioning for a Snowflake Native App?

A) Create a separate branch in your version control system for each version of the app.
B) Update the 'version' attribute in the 'setup.sqr file, if one exists.
C) Tag each release in your version control system with the corresponding version number.
D) Use the 'ALTER APPLICATION' command to update the app's version in the consumer's account.
E) Increment the 'version' attribute in the 'MANIFEST.yml' file for each new release.

2. You've developed a Snowflake Native Application and are preparing to release a new version. You want to ensure that if any critical issues are detected after the upgrade, you can quickly revert users back to the previous stable version. Which combination of Snowflake features and best practices should you implement to facilitate a seamless rollback process? Select all that apply.

A) Implement robust logging and monitoring within your application to quickly identify and diagnose any issues after the upgrade.
B) Before staging the new version, create a full backup of all data warehouses used by your application in consumer accounts.
C) Keep the previous stable version staged in the application package. If issues arise with the new version, use release directives to direct users back to the previous version by modifying the 'ACTIVATE_AT parameter or using tags.
D) Before staging the new version, create a new version of the application package with a lower version number that points to the previous stable version's code. Use ALTER APPLICATION' to downgrade users.
E) Utilize the 'UNSTAGE VERSION' command to immediately remove the problematic version from all consumer accounts.

3. A consumer installs a Snowflake Native Application from the Marketplace. The application requires access to a specific table, 'CUSTOMER DATA' , in the consumer's account. Which of the following steps are essential for the consumer to properly grant the application the necessary permissions, following least privilege principles, and ensuring the application functions as intended? Assume the application developer has properly requested the table grant in the setup script.

A) Grant the 'SELECT privilege directly on the 'CUSTOMER_DATA' table to the 'SNOWFLAKE.APP_ROLE' role associated with the application instance.
B) Grant the 'IMPORTED PRIVILEGES privilege on the database containing 'CUSTOMER_DATX to the application role created during installation.
C) Create a share from the provider account granting access to the 'CUSTOMER DATA' table and import it into the consumer account.
D) Grant the 'USAGE privilege on the database and schema containing 'CUSTOMER_DATA' to the application role and then grant 'SELECT on the 'CUSTOMER DATA table to the application role.
E) Grant 'OWNERSHIP' on the "CUSTOMER_DATR table to the application role. This provides the application with complete control over the table.

4. You are developing the setup script for a Snowflake Native Application. The application requires a specific Snowflake Edition (e.g., Enterprise) to function correctly due to certain feature dependencies. How can you ensure that the installation fails gracefully and provides a clear error message if the consumer's account does NOT meet the required edition?

A) Use a configuration file included in the application package to specify the required Snowflake Edition. The setup script reads this file and displays an error message if the edition is not compatible.
B) The Snowflake Marketplace automatically checks for edition compatibility before allowing installation of a Native Application. No explicit checks are needed in the setup script.
C) Use the 'SYSTEM$GET SNOWFLAKE EDITION()' function within the setup script and raise an exception using 'RAISE' if the edition is not compatible. Provide a descriptive error message.
D) Attempt to create objects that are specific to the required Snowflake Edition within the setup script. If the creation fails due to edition limitations, the installation will automatically fail.
E) Include a comment in the setup script indicating the required Snowflake Edition. Rely on the consumer to manually verify their edition before installation.

5. A provider has released a Snowflake Native Application that calculates risk scores. As a consumer, you've installed the application. However, you are seeing inconsistent results when querying a view provided by the application named 'RISK SCORES'. You suspect the provider has an issue with their data or logic. Which of the following actions are MOST appropriate to troubleshoot this from the consumer side, focusing on querying and without access to the provider's source code?

A) Utilize the 'DEBUG' procedure exposed by the application (if any) to step through the risk calculation logic with specific input values.
B) Examine the 'INSTALLATION INFORMATION' view in the application's database to check for provider-published error messages or status updates related to data quality issues. Use queries to identify patterns in the inconsistent results.
C) Contact Snowflake Support and provide them with a detailed description of the issue and relevant query examples. Snowflake Support can access the provider's environment and investigate.
D) Raise a support ticket with the provider through the Snowflake Marketplace. Include example queries, input data, and the expected vs. actual results to facilitate their debugging process. Further, Query data using different warehouse sizes to see if concurrency is a factor.
E) Use on the provider's account to establish a secure connection and directly debug the provider's stored procedures.

Solutions: