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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 intended for the Snowflake Marketplace. The application provides data transformation services, leveraging external functions (UDFs) that invoke a REST API hosted on AWS Lambd a. You need to ensure the secure and compliant invocation of this external API from your application while adhering to Snowflake's best practices. Which of the following steps represent the MOST secure and recommended approach for configuring and invoking the external function?

A) Use Snowflake's built-in network rules to allow outbound traffic to all AWS IP ranges. Store the API key directly in the UDF definition as an environment variable.
B) Store the AWS Lambda function's URL and credentials (API key) in a configuration table within the Snowflake Native Application package. The external function retrieves these credentials from the configuration table at runtime. Configure an alert if the configuration table is modified.
C) Expose the AWS Lambda function publicly with no authentication. Configure the external function in Snowflake to point to the public Lambda URL. Document to consumers that the API has no security.
D) Create an API integration object in Snowflake that stores the AWS Lambda function's URL and credentials (API key) directly within the integration. Grant the necessary permissions to the application's roles to use the API integration. Define the external function to call the Lambda function URL directly, referencing the API key from the integration object.
E) Create an API integration object in Snowflake, configuring a secure authentication mechanism such as AWS IAM roles or OAuth 2.0. Define the external function to use the API integration, providing the necessary parameters for authentication. Configure network policies and secrets (using Snowflake secrets) to secure the connection. Ensure your AWS Lambda function validates the incoming request's identity.

2. You are building a Streamlit application within a Snowflake Native App that allows users to download data as CSV The data is prepared using a Snowflake stored procedure. The Streamlit app uses a Snowflake Connector for Python to call the stored procedure and retrieve results. Which of the following privileges are required for the 'app_public' role to successfully execute the stored procedure from within the Streamlit application? Select all that apply.

A) OWNERSHIP on the stored procedure.
B) CREATE STORED PROCEDURE on the schema containing the stored procedure
C) USAGE on the database containing the stored procedure.
D) EXECUTE on the stored procedure.
E) USAGE on the schema containing the stored procedure.

3. You are packaging a Snowflake Native Application that utilizes an external function to enrich dat a. This external function requires access to an API endpoint. You've created an API integration in the consumer's account to manage access. How should you grant the necessary privileges to your application to utilize this API integration?

A) Grant the USAGE privilege on the API integration to the application role using the command 'GRANT USAGE ON INTEGRATION TO APPLICATION ROLE within the application's setup script.
B) Grant the EXECUTE privilege on the external function to the application role. The external function inherits the API integration's privileges.
C) Grant the OWNERSHIP privilege on the API integration to the application package using Snowsight.
D) Create a share from your provider account containing the API integration and import it into the consumer's account.
E) No explicit privilege granting is required. Snowflake automatically grants access to API integrations to applications within the same account.

4. You are building a Snowflake Native Application that includes a stored procedure to perform data transformation. This stored procedure needs to access external data sources using a secure API. Which of the following methods provides the MOST secure and recommended approach for managing API credentials within the Snowflake Native Application context?

A) Use the consumer's account's environment variables to store API credentials. The application retrieves credentials from there.
B) Use Snowflake's Secret object to securely store the API credentials. Access the Secret within the stored procedure using function.
C) Store the API credentials in a configuration file included within the application package. Read the credentials from this file within the stored procedure.
D) Store the API credentials directly within the stored procedure code as encrypted strings. Decrypt them at runtime using a key stored in a separate table.
E) Hardcode the API credentials directly within the stored procedure code. This is the simplest approach for development and testing.

5. You are preparing to list your Snowflake Native Application on the Snowflake Marketplace. You want to restrict its availability to specific Snowflake regions and also require consumers to agree to a custom End User License Agreement (EULA) before installation. Which steps are essential during the listing creation process to achieve this?

A) During listing creation, select the 'Custom EULA' option and provide the EULA text directly within the designated field. Configure the 'Availability' section to specify the allowed regions.
B) Regions are inherently globally available so it cannot be restricted. Include the EULA within the code of the application, forcing the user to acknowledge it through the code.
C) Use the Snowflake CLI to programmatically set the allowed regions using the 'snowflake marketplace application update' command. Include a link to an external website hosting the EULA in the listing description.
D) Configure the 'Availability' section of the listing to specify allowed regions. Upload the EULA as a PDF document within the 'Documentation' section.
E) Specify the allowed regions in the 'Availability' section of the listing. Upload a text file containing the EULA and mark it as 'Required Agreement' in the listing settings.

Solutions: