Snowflake NAS-C01 Exam : SnowPro Specialty - Native Apps

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Snowflake NAS-C01 Exam Syllabus Topics:

Snowflake SnowPro Specialty - Native Apps Sample Questions:

1. You are preparing to publish a Snowflake Native Application on the Snowflake Marketplace. Your application requires several external functions (UDFs) that need to be securely called. Which of the following steps are crucial to correctly configure these external functions within your application package to ensure they function as expected after installation by consumers?

A) Provide clear documentation for the consumer to manually configure the API integration object in their Snowflake account after installing the application.
B) Ensure that the external functions are defined using the 'SECURE' keyword and that the API integration object associated with the functions is included in the application package setup script.
C) Define external functions with 'VOLATILE keyword to bypass security restrictions. As it needs to be executed during installation, define it in application setup scripts and the API integration object's details will be automatically configured at the consumer end.
D) Set the application version as 'TRUSTED' using the 'ALTER APPLICATION VERSION' command after installation.
E) Grant the ' USAGE privilege on the API integration object to the application role used by the consumer. This will be automatically inherited when the consumer installs the application.

2. When designing the architecture of a Snowflake Native App, which of the following architectural considerations and trade-offs should you carefully evaluate to optimize performance, security, and cost-effectiveness? (Select all that apply)

A) Storing all application data within the provider account and accessing it directly from the consumer account using data sharing to avoid data duplication.
B) Using secured API integration to call the external APIs to get real time details in the app to make the app more useful.
C) Implementing robust error handling and logging mechanisms to facilitate debugging and monitoring of the application's behavior in both the provider and consumer environments.
D) Choosing the appropriate data access model (e.g., UDFs, stored procedures, Snowpark) based on the specific use case and performance requirements, considering the overhead associated with each approach.
E) Minimizing data transfer between the provider and consumer accounts by leveraging Snowpark and UDFs for data processing within the consumer's environment.

3. You are developing a Snowflake Native Application that leverages Snowflake Event Tables to log application events. You notice that while the application is successfully writing events to the event table, consumers are reporting that they cannot query the event table. Assume that you have successfully implemented the logging mechanism in your code and data is being logged. Consider the following manifest section:

Which of the following steps is MOST critical to resolve this issue and ensure consumers can query the event table?

A) The correct approach is not listed, as consumers cannot directly query event tables associated with Snowflake Native Applications for security reasons.
B) Verify that the application role defined in the application manifest has been granted the 'SELECT privilege on the event table within the provider account.
C) Ensure that the consumer account has the 'MONITOR privilege on the application, as this is required to query event tables associated with native applications.
D) Confirm that the event table is explicitly listed in the 'shared_objects' section of the application manifest with the correct 'object_name', 'source_type' set to event_table', and 'privileges' including 'SELECT'.
E) Grant the 'APPLY MASKING POLICY privilege to the application role on the event table to enable consumers to see masked data, and the REFERENCE_USAGE privilege on the database and schema that contains the event table.

4. You've installed a Snowflake Native Application that provides advanced data analytics. The application requires a consumer-defined function (UDF), 'MASK SENSITIVE DATA, to be created in their account and used by the application. The application's setup script includes logic to check for the UDF's existence, but you want to ensure the application gracefully handles the case where the consumer has not yet created the UDF. Which of the following strategies can you implement to improve the application's resilience and provide a better user experience in this scenario? Select all that apply.

A) In the application's setup script, create a placeholder UDF with the same name and signature as 'MASK SENSITIVE DATA' that returns 'NULL'. The application logic can then handle 'NULL' values appropriately until the consumer provides the actual UDF.
B) Implement error handling within the application's code to catch the 'SQL compilation error: UDF does not exists exception. Provide a user-friendly error message and instructions on how to create the UDF.
C) Require the consumer to create the UDF before installing the application. The application setup script should fail if the UDF is not found, preventing installation.
D) Dynamically generate the application code using a stored procedure, only including the parts of the code that rely on if the function exists. Use 'SYSTEM$GET PRIVILEGES()' to check existence.
E) Within the application's SQL code, use the 'TRY FUNCTION' function to call 'MASK SENSITIVE DATA'. If the UDF does not exist, 'TRY FUNCTION' will return 'NULL' instead of raising an error.

5. You are packaging a Snowflake Native App and need to ensure that consumer accounts can only access specific data views you've created within your application schem a. You want to prevent consumers from directly querying the underlying tables. Which of the following security measures, when implemented together, BEST achieve this objective? (Choose two)

A) Grant "OWNERSHIP' on the views to the 'application role' within the application package.
B) Use secure views to expose data, ensuring data access is controlled through the view's definition.
C) Grant 'SELECT' privilege on the underlying tables to the 'application role' within the application package.
D) Grant 'SELECT privilege only on the views to the 'application role' within the application package.
E) Do not grant any privileges on the underlying tables to the 'application role' within the application package.

Solutions: