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Snowflake NAS-C01 Exam Syllabus Topics:

Snowflake SnowPro Specialty - Native Apps Sample Questions:

1. A Snowflake Native App developer is creating an application that accesses a secured table 'CUSTOMER DATA' within the provider's account. The developer wants to grant the consumer read-only access to this table through the application, but only after the application is installed and the consumer has accepted the terms and conditions. Which of the following steps are necessary to achieve this goal? (Choose two)

A) Define a stored procedure within the application package that, upon execution in the consumer account (post-installation), executes a 'GRANT SELECT ON TABLE CUSTOMER_DATA TO APPLICATION ROLE app_role' statement. The application itself doesn't directly share the data; the procedure manages the access.
B) Create an outbound share within the application that shares the 'CUSTOMER DATA' table with a specific application role. Configure an activation hook that runs post-installation to grant the 'SELECT' privilege on the table to the application role using the 'GRANT' command.
C) Define a manifest file within the application package that specifies the 'CUSTOMER DATA' table as a resource and declares the 'SELECT privilege required by the application. Snowflake automatically grants this privilege to the application's default role upon installation.
D) The provider creates a versioned schema in the listing and shares it with the consumer account. Once the consumer accepts the terms and conditions, the provider executes 'GRANT SELECT ON TABLE CUSTOMER_DATA TO APPLICATION ROLE app_role' within the consumer account using a secure UDF.
E) Create a share from the provider account containing the 'CUSTOMER_DATA table and grant the consumer account access to this share using the Snowsight UI, specifically setting the ' READ ONLY' privilege on the table after the application is installed.

2. A data science team within your organization is developing a Snowflake Native App that needs to access and process customer data stored in a Snowflake database. The app must only access data for customers residing in the 'USA' region. The team has created a custom role 'APP ROLE for the app to use. Which of the following is the MOST secure and efficient way to grant the app the necessary permissions to read the filtered data? Assume a secure view approach is preferred over direct table access.

A) Grant the SAPP ROLE the 'OWNERSHIP' privilege on the base customer data table and implement data filtering logic within the app itself.
B) Grant the 'APP_ROLE the 'SELECT privilege on the base customer data table and rely on row-level security policies defined on that table.
C) Create a secure view that filters customer data to include only customers in the 'USA' region and grant the SAPP ROLE the 'SELECT privilege on the secure view.
D) Create a standard view (non-secure) that filters customer data to include only customers in the 'USA' region and grant the 'APP_ROLE the 'SELECT' privilege on this view.
E) Grant the 'APP_ROLE the 'USAGE privilege on the database and schema containing the customer data table. Data filtering should still be handled by the app.

3. A Snowflake Native App developer encounters an issue where the application fails to install on a consumer's account due to insufficient privileges. The developer has verified that the necessary privileges are declared in the application. privileges section of the manifest file. However, the installation still fails. What could be the most likely cause of this issue, and how can it be resolved?

A) The consumer's account is not on the same Snowflake region as the provider account. Verify and align the regions.
B) The consumer account has object level grants conflicting with the required grants. Revoke the object level grants and try again.
C) The consumer's account does not have the SNOWFLAKE.APP_INSTALLER role enabled. Ensure this role is granted to the appropriate user.
D) The privileges were declared in the manifest file, but were not actually granted to the application role in the provider account before creating the version. Grant the declared privileges to the application role using GRANT ON ACCOUNT TO APPLICATION ROLE and create a new version.
E) The privileges declared in the manifest file are not supported by the consumer's Snowflake edition. Review and adjust the required privileges.

4. You've installed a Snowflake Native Application in your consumer account. You are trying to establish observability and telemetry to monitor its performance and identify potential issues. However, you notice that you only have limited visibility into the application's internal operations. Which actions should you take to enhance observability, assuming the provider has implemented appropriate mechanisms?

A) Use Snowflake's Query Profile to analyze the execution plans of queries initiated by the application.
B) Subscribe to events shared by the application provider through Snowflake's event sharing mechanism, if the provider has enabled it. Leverage shared views exposing specific metrics.
C) Examine the APPLICATION USAGE view in the SNOWFLAKE database to track resource consumption and query performance of the application's components.
D) Enable detailed logging in your consumer account to capture all SQL statements executed by the application, then analyze these logs.
E) Request the application provider to grant you direct access to the application's internal logs and system tables.

5. A software vendor is developing a Snowflake Native App that provides data enrichment services. As part of the application lifecycle, they need to automate the process of packaging, deploying, and upgrading their application across multiple Snowflake regions. Which of the following approaches provide the MOST efficient and reliable way to automate the deployment and upgrade process for this Native App? Select TWO options.

A) Create a custom deployment tool that directly manipulates Snowflake's metadata tables to register the application package.
B) Leverage Snowflake's Native Apps API (if available) to programmatically manage the application package lifecycle.
C) Integrate with CI/CD pipelines, creating packages and updating versions to control the application's deployment and upgrade process.
D) Manually create application packages for each region and upload them to Snowflake using the web interface.
E) Use Snowflake's CLI (SnowSQL) in conjunction with scripting tools (e.g., Bash, Python) to automate the creation of application packages and deployments.

Solutions: