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Snowflake SnowPro Specialty - Native Apps Sample Questions:

1. A data engineer, Alice, is developing a Snowflake Native Application. She wants to implement event sharing to notify consumers when certain data thresholds are breached within the application's managed tables. What is the MOST effective and secure approach for implementing this event sharing mechanism, ensuring that consumers can subscribe to these events without direct access to the application's internal tables?

A) Grant SELECT privileges on the managed tables directly to consumer accounts, using secure views to filter data.
B) Use Snowflake Streams and Tasks within the provider account to continuously monitor the managed tables and create events that are pushed to a shared data lake. Consumers then access the data lake.
C) Implement a Python UDF that queries the managed tables and sends email notifications to consumers whenever a threshold is breached.
D) Create a series of external functions that are called when the application's data changes. These functions will call an external notification service that alerts consumers.
E) Leverage Snowflake's event tables (using EVENT TABLES) to capture significant data changes, then create an API function using 'CREATE FUNCTION' with 'RETURNS TABLE' in the application package to expose these events to consumers through a secure share. Implement RBAC within the API function to manage access.

2. A data science team within your organization is developing a Snowflake Native App that needs to access and process customer data stored in a Snowflake database. The app must only access data for customers residing in the 'USA' region. The team has created a custom role 'APP ROLE for the app to use. Which of the following is the MOST secure and efficient way to grant the app the necessary permissions to read the filtered data? Assume a secure view approach is preferred over direct table access.

A) Create a standard view (non-secure) that filters customer data to include only customers in the 'USA' region and grant the 'APP_ROLE the 'SELECT' privilege on this view.
B) Grant the SAPP ROLE the 'OWNERSHIP' privilege on the base customer data table and implement data filtering logic within the app itself.
C) Grant the 'APP_ROLE the 'USAGE privilege on the database and schema containing the customer data table. Data filtering should still be handled by the app.
D) Grant the 'APP_ROLE the 'SELECT privilege on the base customer data table and rely on row-level security policies defined on that table.
E) Create a secure view that filters customer data to include only customers in the 'USA' region and grant the SAPP ROLE the 'SELECT privilege on the secure view.

3. You are building a Snowflake Native Application that needs to store configuration data within the application package. This configuration data needs to be accessible by all components of the application, but should not be directly exposed to the consumer. What is the RECOMMENDED approach to securely store and access this configuration data?

A) Store the configuration data in a dedicated table within the application database and grant SELECT privilege only to the application role.
B) Store the configuration data as environment variables within the application's setup script.
C) Store the configuration in a file within the application package and load it into a temporary table during application initialization. Only grant access to the application role.
D) Store the configuration data in a JSON file within a stage in the provider account and grant the application role USAGE privilege to the stage.
E) Encrypt the configuration data and store it in a named internal stage within the application package. Create a UDF within the application to decrypt and retrieve the data when needed.

4. A Snowflake Native App developer encounters an issue where the application fails to install on a consumer's account due to insufficient privileges. The developer has verified that the necessary privileges are declared in the application. privileges section of the manifest file. However, the installation still fails. What could be the most likely cause of this issue, and how can it be resolved?

A) The consumer account has object level grants conflicting with the required grants. Revoke the object level grants and try again.
B) The privileges were declared in the manifest file, but were not actually granted to the application role in the provider account before creating the version. Grant the declared privileges to the application role using GRANT ON ACCOUNT TO APPLICATION ROLE and create a new version.
C) The consumer's account is not on the same Snowflake region as the provider account. Verify and align the regions.
D) The privileges declared in the manifest file are not supported by the consumer's Snowflake edition. Review and adjust the required privileges.
E) The consumer's account does not have the SNOWFLAKE.APP_INSTALLER role enabled. Ensure this role is granted to the appropriate user.

5. You are developing a Snowflake Native Application and need to track changes made to the application code across different versions. You want to leverage Snowflake's built-in capabilities for version control and auditing. Which of the following approaches is the MOST suitable and efficient for achieving this?

A) Manually maintain a change log in a separate Snowflake table, documenting each code modification with associated version numbers and timestamps.
B) Integrate with an external version control system (e.g., Git) and store application code and deployment scripts in the repository. Use CI/CD pipelines to manage deployments to Snowflake.
C) Use Snowflake's Streams feature to capture changes made to application code objects and store them in a separate change table for auditing.
D) Use Snowflake's Time Travel feature to query historical versions of application code objects (e.g., stored procedures, UDFs) and compare differences between versions.
E) Utilize Snowflake's Information Schema views (e.g., 'INFORMATION_SCHEMA.PROCEDURES, 'INFORMATION SCHEMA.FUNCTIONS) in conjunction with Time Travel to query historical metadata and code definitions.

Solutions: