Snowflake NAS-C01

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Snowflake NAS-C01 試験シラバストピック:

Snowflake SnowPro Specialty - Native Apps 認定 NAS-C01 試験問題：

問題 #1

You are developing a Snowflake Native Application that utilizes Streamlit for its user interface. The application needs to access data from a protected table within the provider account. To enhance security, you want to grant specific privileges to the Streamlit application without exposing the underlying table directly. Which of the following steps are necessary to achieve this, ensuring the principle of least privilege?

A. Use an external function (UDF) owned by the application to query the protected table and grant USAGE' privilege on the UDF to the Streamlit application's role.
B. Create an API integration, implement a service (e.g., AWS Lambda) that queries the data and grant 'USAGE on the API Integration and appropriate permissions on the service to the Streamlit application's role.
C. Create a stored procedure with 'EXECUTE AS CALLER which queries the protected table and grant 'USAGE privilege on the procedure to the Streamlit application's role.
D. Create a secure view on the protected table and grant 'SELECT privilege on the secure view to the Streamlit application's role.
E. Grant 'SELECT privilege directly on the protected table to the Streamlit application's role.

問題 #2

You are troubleshooting a Snowflake Native Application installation that consistently fails with a cryptic error message: 'Internal Application Error: Check application logs for details'. You have access to the application's code package but are unsure how to effectively gather detailed logs and telemetry data from the running application. Which strategy would provide the MOST comprehensive and maintainable observability solution within the Snowflake Native App framework?

A. Integrate a third-party logging framework (e.g., Log4j) into the application code and configure it to write logs to an external logging service accessible over the internet.
B. Implement calls within the application code to write log messages directly to a Snowflake table owned by the application provider. Consumers can then query this table to view logs.
C. Leverage Snowflake's event tables and configure the application to emit custom events to these tables. Consumers can then subscribe to these events to monitor application behavior.
D. Rely solely on the error messages returned by Snowflake during application execution, as these are sufficient for identifying most installation issues.
E. Utilize the view to analyze query execution patterns and identify potential bottlenecks within the application's SQL code.

問題 #3

You are developing a subscription-based Snowflake Native Application that offers tiered pricing (Basic, Premium, Enterprise) based on resource consumption (e.g., compute hours, data storage). Consumers select their desired tier during the subscription process. Your application needs to dynamically adjust resource limits based on the selected tier. Which combination of the following actions should you take to correctly implement this?

A. Create separate resource monitors for each tier and associate the consumer's account with the appropriate resource monitor based on their selected tier during application installation.
B. Implement role-based access control (RBAC) using different roles for each tier, granting each role appropriate privileges for data access and compute resources. Assign users to roles based on their subscription tier.
C. Store tier-specific resource limits (e.g., compute hours, data storage limits) in a configuration table within the application. Implement stored procedures that enforce these limits during runtime using custom logic.
D. Use 'ALTER WAREHOUSE commands within the application to dynamically adjust warehouse sizes based on the selected tier, after retrieving the selected tier information via the application's configuration metadata.
E. Leverage Snowflake's data governance features, creating row access policies for each tier and assigning them based on the consumer's subscription status

問題 #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. Snowflake Streams and Tasks to monitor the application version and trigger the migration scripts automatically.
D. A version change handler defined within the application package.
E. Application Role-Based Access Control (RBAC)

問題 #5

You are developing a Snowflake Native Application that utilizes the 'APPLICATION ROLE' within a secure data sharing context. The application needs to perform different actions based on the role assigned to the user accessing the shared dat a. Consider the following code snippet in a stored procedure:

Which of the following modifications is necessary for the stored procedure to correctly utilize the 'APPLICATION ROLE and function as intended within the context of a Snowflake Native Application and a share?

A.

B. No modification is needed. The function will automatically return the active 'APPLICATION_ROLE' within the share.
C.

D.

E.

解説：