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Snowflake NAS-C01 Exam Syllabus Topics:

Snowflake SnowPro Specialty - Native Apps Sample Questions:

1. You are developing a Snowflake Native Application that processes customer orders. The application needs to securely store sensitive customer data (e.g., credit card numbers) within the provider's account but must grant the consumer's account access to analyze aggregated, de-identified order statistics. Which combination of features is BEST suited to achieve this while adhering to security best practices and Snowflake Native App constraints?

A) Store sensitive data in a table within the provider account. Create a user-defined function (UDF) that aggregates and de-identifies the data. Share the table and the UDF with the consumer account through a share. The consumer application can then use the UDF to query the data.
B) Store sensitive data in an internal stage within the provider account. Create a stored procedure that reads data from the stage, aggregates and de-identifies it, and writes the results to a shareable table. The consumer application can query the shareable table.
C) Store sensitive data in a table within the provider account. Use dynamic data masking policies to de-identify the data when accessed by the consumer account. Share the underlying table directly with the consumer account through a share.
D) Store sensitive data in a table within the provider account. Create a stored procedure that aggregates and de-identifies the data, writing the results to a new table. Share this new, aggregated table with the consumer account via a data share.
E) Store sensitive data in a secured view within the provider account. Grant the consumer account usage privileges on this secured view. Create a setup script using 'CREATE APPLICATION ROLE and 'GRANT to give the consumer's application role access to the secured view.

2. 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) Include a comment in the setup script indicating the required Snowflake Edition. Rely on the consumer to manually verify their edition before installation.
B) 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.
C) The Snowflake Marketplace automatically checks for edition compatibility before allowing installation of a Native Application. No explicit checks are needed in the setup script.
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) 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.

3. You are developing a Snowflake Native Application that utilizes Snowpark Container Services (SPCS) for its backend processing. The application requires secure access to a specific endpoint hosted within the SPCS environment. You've defined a service in your SPCS compute pool. Which of the following SQL commands is the MOST secure and appropriate way to expose an endpoint for access from within the application's consumer environment, assuming the endpoint requires OAuth authentication?

A) CREATE SERVICE ENDPOINT my_endpoint FOR SERVICE my_service WITH AUTHENTICATION TYPE = NONE;
B) BIND SERVICE ENDPOINT my_endpoint FOR SERVICE my_service WITH AUTHENTICATION TYPE = OAUTH TO APPLICATION PACKAGE;
C) CREATE SERVICE ENDPOINT my_endpoint FOR SERVICE my_service WITH AUTHENTICATION TYPE = OAUTH;
D) CREATE SERVICE ENDPOINT my_endpoint FOR SERVICE my_service WITH AUTHENTICATION TYPE = SNOWFLAKE_JWT;
E) ALTER SERVICE my_service ADD ENDPOINT my_endpoint WITH AUTHENTICATION TYPE = OAUTH;

4. A Snowflake Native App developer is building an application package that contains multiple versions. They want to ensure that a consumer upgrading from version 1.0 to version 2.0 MUST execute a specific set of SQL scripts as part of the upgrade process to migrate existing application dat a. Which Snowflake Native App feature should they leverage to achieve this?

A) Snowflake Pipes to load and transform the existing data.
B) A post-install script defined in the setup script.
C) Application Role-Based Access Control (RBAC)
D) Snowflake Streams and Tasks to monitor the application version and trigger the migration scripts automatically.
E) A version change handler defined within the application package.

5. Your Snowflake Native App includes a JavaScript UDF that processes data from a secure view provided by the provider account. During consumer testing, the UDF fails with an 'Authorization error' even though the consumer has been granted the necessary USAGE privileges on the application package. What is the MOST likely cause of this error, and how can you resolve it within the context of a Snowflake Native App?

A) The secure view in the provider account has data masking policies applied that prevent the UDF from accessing the data. Remove the masking policies.
B) The application package needs to be explicitly authorized to access secure views in the provider account. This requires a manifest update and resubmission of the package.
C) The consumer lacks the necessary permissions on the underlying tables referenced by the secure view in the provider account. Grant the consumer direct access to these tables.
D) The UDF is not declared as SECURE, preventing it from accessing objects in a different security context. Declare the UDF as SECURE.
E) The consumer's role does not have the OWNERSHIP privilege on the application object. Assign the OWNERSHIP privilege to the consumer's role.

Solutions: