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Snowflake NAS-C01 Exam Syllabus Topics:

Snowflake SnowPro Specialty - Native Apps Sample Questions:

1. A Snowflake Native App developer is designing an application that requires persisting a large volume of intermediate data during a complex data transformation process. This data is only needed during the execution of the app and can be discarded afterward. Which of the following storage options within the Snowflake Native App Framework would be MOST suitable for this purpose, considering both performance and cost-effectiveness?

A) Use a permanent table within the application's managed database.
B) Use an external stage pointing to AWS S3 or Azure Blob Storage.
C) Store the data in the user's temporary stage.
D) Use a transient table within the application's managed database.
E) Create a volatile table within the application's managed database.

2. A Snowflake Native App provider wants to implement row-level security (RLS) in an event table to ensure that consumers only receive events pertaining to their specific organization, even if they have been granted USAGE on the event table function. How can this be achieved?

A) Create a view on top of the event table that includes a WHERE clause filtering by APP INSTANCE ID() and grant access to the view instead of the base table.
B) Implement a custom stored procedure that acts as a proxy for accessing the event table, filtering data based on the consumer's user ID.
C) Create a row access policy that filters rows in the event table based on the APP_INSTANCE_ID() function, ensuring each consumer only sees events related to their application instance.
D) Create a masking policy that filters rows in the event table based on the CURRENT_ACCOUNT() function to match the consumer's account ID.
E) Row-level security cannot be enforced on event tables shared through Snowflake Native Apps due to security limitations.

3. You are packaging a Snowflake Native App and need to ensure that consumer accounts can only access specific data views you've created within your application schem a. You want to prevent consumers from directly querying the underlying tables. Which of the following security measures, when implemented together, BEST achieve this objective? (Choose two)

A) Do not grant any privileges on the underlying tables to the 'application role' within the application package.
B) Use secure views to expose data, ensuring data access is controlled through the view's definition.
C) Grant "OWNERSHIP' on the views to the 'application role' within the application package.
D) Grant 'SELECT' privilege on the underlying tables to the 'application role' within the application package.
E) Grant 'SELECT privilege only on the views to the 'application role' within the application package.

4. You are developing a Snowflake Native Application that interacts with sensitive customer dat a. You want to implement robust security scanning before publishing to the Snowflake Marketplace. Which of the following strategies are MOST effective to detect and prevent potential vulnerabilities before submitting your application, considering limitations on marketplace pre-publication scanning capabilities?

A) Rely solely on Snowflake's built-in scanning during the Marketplace submission process, as it covers all known vulnerabilities.
B) Employ a third-party penetration testing service to perform a black-box test of the application after deployment in a staging environment but prior to Marketplace submission.
C) Only use Snowflake provided templates and example codes as these are already pre-approved from security perspectives
D) Manually review all code for potential security flaws and ensure adherence to secure coding practices.
E) Implement a comprehensive CI/CD pipeline that includes static code analysis (SAST) using tools like SonarQube or similar, focusing on SQL injection, cross-site scripting (XSS), and insecure deserialization vulnerabilities. Include unit and integration tests with parameterized inputs. Regularly update dependency versions and scan for known vulnerabilities in third-party libraries included in your application's code (e.g., Python libraries).

5. You are designing a Snowflake Native App that includes a Streamlit I-Jl. The Streamlit app needs to access data stored in a secure table within the consumer's account. What are the recommended and MOST secure methods for granting the Streamlit app access to this data, considering the principle of least privilege? Select all that apply.

A) Create an external function that retrieves the data and grant 'USAGE on the external function to the application role.
B) Create a secure view on top of the table and grant 'SELECT privilege on the view to the application role. Publish the View via 'show published objects in application package'.
C) Grant the ' IMPORTED PRIVILEGES' privilege on the database containing the table to the application role.
D) Grant *SELECT privilege directly on the table to the application role.

Solutions: