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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 that requires access to an external API to enrich data within the consumer's account. You need to implement secure authentication and authorization to this external API. Which of the following methods provide the MOST secure and compliant approach for storing and managing the API credentials within your Snowflake Native Application package, while minimizing the risk of exposure to the consumer?

A) Store the API credentials as a secret within Snowflake's Secret Management feature, referencing the secret from within your application's functions. Grant access to the secret through the application role.
B) Store the API credentials as environment variables within the Snowflake function code that calls the API. These variables are automatically encrypted by Snowflake.
C) Store the API credentials as plain text within the setup script, as this script is only executed once during installation and is not accessible to consumers.
D) Prompt the consumer to provide the API credentials during the application installation process, storing them in a secure configuration table within their account and referencing them from your application through secure views.
E) Store the API credentials in a secure configuration table within your application package, encrypted using a symmetric key managed by Snowflake's KMS.

2. You are developing a Snowflake Native App that uses JavaScript stored procedures. During consumer testing, you observe inconsistent behavior: sometimes the app works perfectly, other times it throws intermittent 'JavaScript out of memory' errors. You suspect a memory leak in your JavaScript code. Which of the following actions could help you diagnose and resolve this issue effectively?

A) Enable detailed logging within your JavaScript stored procedures using 'CALL SYSTEM$LOG(...)'})$ and analyze the logs for excessively large data structures or recursive function calls.
B) Use the 'INFORMATION SCHEMA.QUERY HISTORY view on the consumer account to examine the query profiles of the JavaScript stored procedures, looking for excessive memory consumption or spillover to local storage.
C) Increase the warehouse size for the consumer's instance where the app is installed, assuming larger warehouses always provide more memory for JavaScript execution.
D) Contact Snowflake support immediately, as 'JavaScript out of memory' errors always indicate a platform bug.
E) Refactor your JavaScript code to minimize the creation of large, temporary objects and ensure that objects are properly garbage collected by setting unused object references to 'null'.

3. A Native Application deployed on Snowflake uses a warehouse 'APP WH'. You want to monitor the warehouse usage costs specifically attributed to this application. Which of the following approaches provides the MOST granular and accurate way to track these costs?

A) Tag all queries originating from the application with a specific tag and then filter the 'QUERY_HISTORY view based on this tag and the warehouse name.
B) Use the view and filter by 'USER_NAME associated with the application role.
C) Create a separate warehouse solely for the application and then examine the 'WAREHOUSE METERING HISTORY view.
D) Examine the 'WAREHOUSE METERING HISTORY view in the 'SNOWFLAKE database without any filtering.
E) Rely on the total credits consumed by the account, as the application's usage is insignificant.

4. An application provider, 'SecureData Solutions', wants to implement an in-app share within their Snowflake Native App. They intend to share a specific, filtered subset of a provider-owned table with consumers to enhance app functionality without exposing the entire dataset. Which of the following steps are REQUIRED to properly configure and utilize this in-app share?

A) Create a share in the provider account, grant usage on the database and schema containing the table to the share, and then grant SELECT privilege on the filtered view of the table directly to the share.
B) Create a database role in the provider account, grant SELECT privilege on the filtered view of the table to this database role, and then create a share and grant usage to this role.
C) Create a secure view on the provider-owned table with the desired filters, create a share in the provider account, grant usage on the database and schema containing the secure view to the share, and then grant SELECT privilege on the secure view directly to the share. Lastly, grant OWNERSHIP on the SHARE to the application role.
D) Create a secure view on the provider-owned table with the desired filters, create a database role in the provider account, grant SELECT privilege on the secure view to this database role, create a share, and grant usage to the role. Lastly, grant OWNERSHIP on the SHARE to the application role.
E) Create a database role in the provider account, grant SELECT privilege on the base table to the role, then create a SHARE and add the role to the SHARE as a privileged principal.

5. You are developing a Snowflake Native App that provides data enrichment services to consumer accounts. The app requires access to both a secure internal API (accessible only within your provider account) and the consumer's data warehouse. Which of the following components and configurations are necessary to facilitate this access while adhering to Snowflake's security best practices?

A) A Stored Procedure defined in the application package that invokes the secure internal API via network rule with outbound traffic allowed only for the app, and utilizes a reader account to securely query the consumer s data with the use of SNOWFLAKE.CORE.AUTHZ.PASS_PRIVILEGES().
B) A Snowpark function that leverages the SNOWFLAKCORE.AUTHZ.PASS PRIVILEGES() function with the application role executing the code. The app requires the consumer to create a shared secret to access their API.
C) A Java UDF defined in the application package uses JDBC connection to access a secure internal API endpoint. The consumer grants USAGE privilege to the application on their schemas.
D) A Python UDF defined in the application package that connects to the secure internal API using a secured API integration with allowed egress network policy that only allows connections from the app's deployment region. The consumer shares their database with the provider account through a data sharing arrangement.
E) A UDF (User-Defined Function) defined in the application package that invokes the secure internal API using a secured API integration, and grants OWNERSHIP on it to the APPLICATION role. The consumer grants USAGE on their database to the application role.

Solutions: