Snowflake SnowPro Core Certification NAS-C01

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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 includes a TASK which calls a stored procedure. The stored procedure interacts with an external API using an external function. The external function is defined with an API integration. To ensure secure access to the external API, how should the privileges be granted so that the TASK can execute successfully and access the external function within the consumer account?

A) Grant OWNERSHIP on the API integration and EXECUTE TASK privilege on the TASK to the 'app_public' role.
B) Grant USAGE privilege on the API integration and EXECUTE TASK privilege on the TASK to the 'app_public' role.
C) Grant USAGE privilege on the API integration to the 'application' role and EXECUTE TASK privilege on the TASK to the 'app_public' role.
D) Grant USAGE privilege on the API integration and EXECUTE TASK privilege on the TASK to the 'app_owner' role.
E) Grant USAGE privilege on the API integration to the 'app_public' role and no specific privilege on the TASK, as task execution is implicitly granted.

2. You are tasked with automating the creation of Snowflake Marketplace listings for several Native Applications. The application metadata, pricing tiers, and listing descriptions are stored in a JSON file. Which Snowflake feature(s) or approach would best facilitate the automated creation and management of these listings?

A) Develop a custom Python script that uses the Snowflake Connector for Python to execute SQL commands to create and configure listings by parsing data from the JSON file.
B) Leverage Snowflake's REST API (if available) to programmatically create and manage listings based on the JSON data. Utilize 'SYSTEM$COREATE_PARKETPLACE_LISTING' function.
C) Use the Snowflake CLI (if available) along with a scripting language like Bash to automate the listing creation process.
D) Directly upload the JSON file to a Snowflake stage and use a stored procedure to parse the JSON and create listings using SQL commands.
E) Utilize the Snowflake UI's 'Create Listing' wizard, manually entering the data for each application from the JSON file.

3. You are developing a Snowflake Native Application designed to be deployed by various consumers from the Snowflake Marketplace. The application interacts with user-provided data through secure UDFs and external functions. To ensure minimal impact and prevent unintended data access, how should you configure the application's security context and privileges when creating the application package?

A) Grant 'ALL PRIVILEGES on the database containing consumer data to the application role.
B) Use the 'CALL APPLICATION.API GRANT PRIVILEGE command, and grant only the 'USAGE privilege on the shared database containing consumer data, along with the ' EXECUTE privilege on the UDFs and external functions.
C) Create a separate application role with minimal privileges, and grant only 'USAGES on the database and 'EXECUTE' on the relevant functions to that role. Use 'CALL to grant USAGE on the share.
D) Grant OWNERSHIP privilege on all schemas and tables to the application's service account.
E) Define roles within the application and grant 'USAGE' on all schemas and 'SELECT on all tables to these roles.

4. You have developed a Snowflake Native Application that utilizes a Python UDF to perform sentiment analysis on customer reviews. During consumer testing, you notice that the application is throwing 'ModuleNotFoundError: No module named 'transformers" errors on the consumer's account, even though the 'transformers' library is included in your application's packages directory. Select the two options that best address this issue:

A) Ensure the 'transformers' library is explicitly listed in the 'manifest.ymr file under the 'packages' section and that the application's setup script correctly installs the package using 'pip install transformers.
B) Check if the consumer account has any conflicting Python packages installed that might be shadowing the 'transformers library. Use the 'SHOW PACKAGES' command in Snowflake to list installed packages and their versions on the consumer account.
C) Confirm that the application is built using a compatible Python version (e.g., 3.8) with the consumer's environment, and that the 'PYTHON_VERSION' property in the 'manifest.ymr file is set accordingly. Additionally, regenerate the package directory with all dependencies using 'conda' instead of 'pip'.
D) In the UDF code, explicitly add the application's packages directory to the Python path using 'sys.path.append('/app/packages')' before importing the 'transformers' library. Also, bundle the 'transformers' package along with its dependencies into a single zip file and upload it to an internal stage.
E) Verify that the application role has sufficient privileges (USAGE) on the 'transformers' library and that the consumer account's security policies allow access to external packages. The consumer account must explicitly allow the usage of external packages in their account-level security settings.

5. You are packaging a Snowflake Native App for distribution. Which of the following artifacts are essential components of the application bundle that must be included?

A) Binary executables compiled for a specific operating system.
B) Compiled Java JAR files if the app includes Java UDFs.
C) The 'setup.sql file containing the application's initialization logic.
D) The manifest file (snowflake.yml).
E) The application's source code (e.g., SQL scripts, Python files).

Solutions: