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Snowflake SnowPro Specialty - Native Apps Sample Questions:

1. You are packaging a Snowflake Native App that includes a Streamlit application. You need to define specific permissions for the application to access data in the consumer's account. Specifically, the application needs to read from a table named in the schema within the consumer's database 'consumer_db'. Which of the following steps are required to correctly grant these privileges during the application installation process?

A) The consumer must manually grant the 'SELECT privilege on 'consumer_db.consumer_schema.consumer_data' to the application's install-time role after the application is installed. No action is needed within the application package.
B) In your setup script ('setup.sql'), execute 'GRANT SELECT ON TABLE consumer_db.consumer_schema.consumer_data TO APPLICATION ROLE app_role;' where 'app_role' is the application role defined in your application package.
C) Use the 'snowflake.permissionss module within your Streamlit application to dynamically request the 'SELECT privilege on 'consumer_db.consumer_schema.consumer_data' when the application starts. Display an error message if the privilege is not granted.
D) Create a secure view in the consumer's account that selects from and grant 'SELECT on the secure view to the application role. This requires coordination with the consumer.
E) In your manifest file ('manifest.yml'), declare a 'privileges' section specifying 'SELECT' privilege on 'consumer_db.consumer_schema.consumer_data' for the app_role' .

2. You are designing a Snowflake Native App that interacts with sensitive customer dat a. You need to ensure that the application only accesses the data it absolutely needs and adheres to the principle of least privilege. Which of the following strategies are crucial for maintaining data security within your application?

A) Create specific roles with granular access privileges (e.g., 'SELECT on specific columns) and grant these roles to the application's managed service account.
B) Utilize Snowflake's secure UDFs with invoker's rights to perform data transformations and access control based on the user's role.
C) Store sensitive customer data directly within the application package to avoid external access.
D) Grant the application role the 'OWNERSHIP' privilege on all tables containing customer data.
E) Implement data masking policies to redact sensitive information before it's accessed by the application.

3. You're developing a Snowpark Container Services application. Your 'service.yaml' file defines a service named 'data_processor'. You want to create a service endpoint, 'ingest_endpoint' , that is secured and accessible only by authorized consumers of your Snowflake Native Application. Select the TWO SQL statements that, when used together, will correctly create and bind the service endpoint, ensuring proper OAuth authentication and authorization.

A) CREATE SERVICE ENDPOINT ingest_endpoint FOR SERVICE data_processor WITH AUTHENTICATION TYPE = OAUTH;
B) BIND SERVICE ENDPOINT ingest_endpoint FOR SERVICE data_processor WITH AUTHENTICATION TYPE = OAUTH TO APPLICATION PACKAGE;
C) CREATE OR REPLACE SERVICE ENDPOINT ingest_endpoint FOR SERVICE data_processor WITH AUTHENTICATION TYPE = SNOWFLAKE_JWT;
D) ALTER SERVICE data_processor ADD ENDPOINT ingest_endpoint WITH AUTHENTICATION TYPE = OAUTH;
E) BIND SERVICE ENDPOINT ingest_endpoint FOR SERVICE data_processor WITH AUTHENTICATION TYPE = NONE TO APPLICATION PACKAGE;

4. You are developing a Snowflake Native Application and want to implement robust observability and telemetry. Which of the following approaches will enable you to effectively monitor the application's performance, identify errors, and collect usage metrics within the consumer's account?

A) The consumer is responsible for implementing observability and telemetry. The application developer cannot implement observability features that function within the consumer's account.
B) Rely solely on Snowflake's built-in query history and resource monitoring features in the consumer's account, as these automatically capture all application activity.
C) Utilize to write log data to a secure table within the application and leverage views granted to the consumer to expose relevant metrics and error information. Ensure appropriate roles have access to the views.
D) Implement custom logging using 'SYSTEM$LOG' and store application logs in a separate table within the application's container. Configure grants to allow the application developer to access these logs.
E) Directly access the consumer's system tables (e.g., 'SNOWFLAKE.ACCOUNT USAGE.QUERY HISTORY) to extract application-related metrics based on query identifiers generated by the application.

5. You are developing a Snowflake Native Application that leverages a UDF to perform complex data transformations. During provider-side testing in test mode, you encounter an intermittent error within the UDF. Which of the following strategies are MOST effective in debugging this issue within the limitations of test mode, considering you cannot directly access the consumer's Snowflake account or granular execution logs?

A) Implement rigorous input validation within the UDF to catch potential data inconsistencies that might be causing the error. Ensure informative error messages are returned for debugging purposes.
B) Leverage Snowflake's query profiling tools on the provider side against the application's data-sharing objects to identify performance bottlenecks or unexpected behavior within the UDF's execution plan. (Assume data sharing objects are set up for provider side testing)
C) Utilize 'SYSTEM$LOG' within the UDF to output detailed execution information to the application's event table. Analyze these logs after triggering the error in test mode.
D) Simulate the consumer environment as closely as possible on the provider side by creating a separate Snowflake account with similar data volumes and configurations, then install the application in test mode in that account.
E) Use the ALERT' functionality to send notifications to the provider's account whenever the UDF encounters the error, allowing for real-time monitoring of the application's behavior.

Solutions: