Snowflake NAS-C01 : SnowPro Specialty - Native Apps

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Snowflake NAS-C01 Exam Syllabus Topics:

Snowflake SnowPro Specialty - Native Apps Sample Questions:

Question #1
You are developing a Snowflake Native App that performs complex data transformations and offers different pricing tiers based on usage. You plan to use Snowflake Usage Metering Events to track consumer usage. Which of the following is the MOST appropriate approach to track usage and associate it with the correct pricing tier in your setup script and application code?

A. Create a view on the APP USAGMETERING_HISTORY view to capture usage data. Call 'SYSTEM$METER USAGE from with in the View.

B. Avoid using 'SYSTEM$METER USAGE altogether and rely on Snowflake's built-in resource monitoring to track usage for billing.
C. Call 'SYSTEM$METER USAGE with a fixed event name and quantity for each transformation, regardless of complexity or pricing tier.
D. Call 'SYSTEM$METER USAGE without specifying an event name. Aggregate usage data based on query history in the consumer account to determine pricing.
E. Call 'SYSTEM$METER USAGE with a dynamic event name that encodes the pricing tier and complexity of the transformation. Store the mapping of event names to pricing in a configuration table within your app.

Question #2
A consumer installs a Snowflake Native Application from the Marketplace. The application requires access to a specific table, 'CUSTOMER DATA' , in the consumer's account. Which of the following steps are essential for the consumer to properly grant the application the necessary permissions, following least privilege principles, and ensuring the application functions as intended? Assume the application developer has properly requested the table grant in the setup script.

A. Grant the 'USAGE privilege on the database and schema containing 'CUSTOMER_DATA' to the application role and then grant 'SELECT on the 'CUSTOMER DATA table to the application role.
B. Grant the 'IMPORTED PRIVILEGES privilege on the database containing 'CUSTOMER_DATX to the application role created during installation.
C. Create a share from the provider account granting access to the 'CUSTOMER DATA' table and import it into the consumer account.
D. Grant 'OWNERSHIP' on the "CUSTOMER_DATR table to the application role. This provides the application with complete control over the table.
E. Grant the 'SELECT privilege directly on the 'CUSTOMER_DATA' table to the 'SNOWFLAKE.APP_ROLE' role associated with the application instance.

Question #3
You are designing a Streamlit application within a Snowflake Native App package. This application displays data from a customer's Snowflake account. The application needs to enforce strict data governance policies, ensuring that users only see the data they are authorized to view based on their roles and permissions within the customer's account. Which strategies and Snowflake features should be employed to achieve this?

A. Implement row-level security policies directly within the Streamlit application using Python code to filter the data.
B. Leverage Snowflake's row access policies to automatically filter data based on the user's role and context at the database level.
C. Use external tables to fetch the data.
D. Create separate Streamlit applications for each user role, each with its own data access configuration.
E. Use Snowflake's masking policies to redact sensitive data based on the user's role and context at the database level.

Question #4
Your Snowflake Native App's setup script needs to create a new schema and grant specific privileges to a custom role defined within the application. However, the setup script is failing with an error related to insufficient privileges. You've verified that the application role has the OWNERSHIP privilege on the application package. What is the MOST likely cause of this issue and how can it be resolved?

A. Setup scripts cannot create schemas, as schemas are automatically provisioned. Only tables, views and other objects can be created by the script.
B. The setup script is attempting to create a schema with the same name as an existing schema in the consumer account. Ensure the schema name is unique within the consumer account.
C. The setup script must explicitly activate the application role before creating the schema. Add the following line to the setup script: 'USE ROLE
D. The application role lacks the CREATE SCHEMA privilege on the database. Grant the CREATE SCHEMA privilege on the database to the application role using 'GRANT CREATE SCHEMA ON DATABASE TO APPLICATION ROLE
E. The application role needs the USAGE privilege on the database. Grant USAGE on the database to the application role using 'GRANT USAGE ON DATABASE TO APPLICATION ROLE

Question #5
You are developing a Snowflake Native Application that provides data enrichment services. You want to monetize your application through the Snowflake Marketplace using a custom, usage-based pricing model. You need to track the number of API calls made by each consumer account and bill them accordingly. Which of the following steps are necessary to implement this in your application and listing configurations?

A. Implement a metering function within your Native Application using 'snowflake.snowpark.functions.metering'. Configure your application listing with a STANDARD listing type and set a base price.
B. Implement a metering function within your Native Application using 'snowflake.snowpark.functions.metering'. Configure your application listing with a CONSUMPTION listing type and define metering events based on API calls made. Set the cost per metering event.
C. Implement custom code to track API calls in a table within the application package and use a scheduled task to generate billing reports manually. This report is then shared outside of Snowflake Marketplace.
D. Implement a metering function using stored procedures, record API usage in a dedicated table within your application's container and use 'CREATE NOTIFICATION INTEGRATION' to send billing data to an external system for invoice generation.
E. Use Snowflake's data sharing capabilities to share a billing table with consumer accounts, tracking API calls externally and managing billing outside of the Snowflake Marketplace.

Solutions: