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Snowflake SnowPro Specialty - Native Apps Sample Questions:

1. You're tasked with designing a Snowflake Native Application that leverages Snowpark Container Services (SPCS). The application's backend service, 'my service' , requires several environment variables to function correctly (e.g., API keys, database connection strings). These variables must be securely managed and accessible within the containen You've already created the compute pool and service. Which of the following approaches represent the BEST practices for securely injecting these environment variables into in a way that aligns with Snowflake's recommended security model?

A) Pass the environment variables as plain text arguments to the container's entrypoint script via the 'command' or Sargs section of the 'service.yamr file.
B) Hardcode the environment variables directly into the container image during the Docker build process.
C) Store the environment variables in a publicly accessible cloud storage bucket (e.g., AWS S3) and have the container download them at startup.
D) Use Snowflake's Secrets feature to store the environment variables and reference them in the 'service.yamr file used to define the SPCS service.
E) Utilize Snowflake's external functions to retrieve environment variables directly from a secure third-party vault during container runtime.

2. You are tasked with designing a Snowflake Native App that requires multiple roles with different levels of access to its functionalities. The app needs to define which roles can perform specific actions, such as viewing data, modifying data, or managing app settings. Which of the following methods are CORRECT ways to control role-based access within a Snowflake Native App? (Select all that apply)

A) Defining application roles within the provider account and mapping them to consumer roles during the installation process. These application roles can then be used for fine-grained access control.
B) Defining roles within the setup script with specific privileges and instructing the consumer to grant their existing roles to these newly created roles.
C) Using the 'allowed_roleS section in the manifest file to restrict access to certain functionalities based on the consumer's roles. This ensures that only authorized roles can interact with those components.
D) Granting specific privileges to roles directly within the application's stored procedures and functions, checking the current role using and conditionally executing code based on the role.
E) Creating separate versions of the application for each role, with each version containing only the functionalities that the role is allowed to access.

3. A Snowflake Native App provider is developing an application that requires a consumer to execute stored procedures owned by the application. These procedures need to access data within the application's container. Which of the following sets of actions are required for a consumer to successfully execute these stored procedures?

A) The provider must grant the EXECUTE MANAGED PROCEDURE privilege to the consumer's account and the consumer must be granted USAGE on the application package.
B) The provider must create a custom role within the application package with the EXECUTE privilege on the stored procedures, and the consumer must be granted authorization to assume that role.
C) The provider must grant the EXECUTE privilege on the application package and the consumer must create a local role that inherits privileges from the application.
D) The consumer must be granted the EXECUTE privilege on each stored procedure individually.
E) No special actions are required. Consumers can execute any stored procedure within a Native App once the application is installed.

4. You are developing a Snowflake Native Application that relies on external functions (UDFs/UDTFs) for data processing. A new version of your application includes significant changes to these external functions, potentially affecting existing consumer data and queries. How should you manage the upgrade process to minimize disruption and ensure data integrity in consumer accounts? Assume consumers rely on your function names in their queries. Which of the following approach is MOST suitable?

A) Rename all the external functions in the new version and instruct consumers to update their queries accordingly after the upgrade.
B) Update the external functions in place with the new logic. Snowflake's versioning will automatically handle any compatibility issues for existing queries.
C) Use release directives to direct users to an intermediate version that provides a compatibility layer for the external function changes. This layer translates calls to the old function names into calls to the new functions, allowing for a phased transition.
D) Develop wrapper functions in the new version that call the original external functions with the new logic applied. Consumers can then gradually migrate to the wrapper functions without immediately changing their queries.
E) Create new versions of the external functions with different names while maintaining the old functions in the new version. Consumers can then migrate to the new functions at their own pace. Use release directives to route new users to new functions.

5. You are responsible for managing the pricing plans for your Snowflake Native Application listed on the Marketplace. You want to offer a 'Premium' tier that includes additional features and resources. To achieve this, you need to modify the listing to include this new pricing option. Which of the following steps are NECESSARY and in the CORRECT order to successfully add the 'Premium' tier to your application's listing, ensuring existing customers are not negatively impacted? (Choose two options in their proper order)

A) 1. Test new Pricing in a Sandbox environment with few consumers. 2. Deploy the new version to the consumer accounts.
B) 1. Update the listing on the Marketplace with the new pricing tier. 2. Ensure backward compatibility for existing customers by implementing logic in the application to detect their current tier and maintain existing functionality.
C) 1. Modify the existing application package in place to include the code changes supporting the 'Premium' features. 2. Update the Marketplace listing with the modified application and add the 'Premium' pricing tier with appropriate settings.
D) 1. Update the Marketplace listing by adding the 'Premium' pricing tier with appropriate settings, but without modifying the application package. 2. Inform existing customers that the new pricing tier is available.
E) 1. Create a new version of the application package in your provider account with the code changes supporting the 'Premium' features. 2. Update the Marketplace listing with the new version of the application and add the 'Premium' pricing tier with appropriate settings.

Solutions: