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Snowflake SnowPro Specialty - Native Apps Sample Questions:

1. You are the provider of a Snowflake Native Application built with Scal
a. Consumers are reporting that a specific UDF, 'calculate_risk' , occasionally returns incorrect results for certain input datasets. You suspect an issue with the UDF's logic but struggle to reproduce the problem in your development environment. Given that you cannot directly access the consumer's data, what are the most effective strategies for diagnosing this issue?

A) Request the consumer to execute the UDF with the problematic datasets and provide the resulting incorrect output. Then, use Snowflake's query history and lineage features to trace the data flow and identify potential issues in the UDF's logic.
B) Implement logging within the 'calculate_risk' UDF to capture input parameters and output values for a sample of executions. Store these logs in a secure table accessible only to the provider, subject to data governance policies. Utilize Snowflake's masking policies to mask the sensitive data and allow the provider to see only masked version, not the actual sensitive data.
C) Modify the UDF to include a 'debug' mode that performs additional checks and assertions. The consumer can enable this mode to collect diagnostic information and report any failures back to the provider. Consumer shares the error logs/code
D) Request the consumer to provide anonymized sample data that triggers the issue. Use this data in your development environment to debug the UDF.
E) Implement comprehensive unit tests for the 'calculate_risk' UDF, covering a wide range of input values and edge cases. Ensure these tests pass before deploying new versions of the application.

2. You are developing a Snowflake Native App that requires uploading multiple large data files (each > 50MB) to a stage for processing. Due to network limitations, you need to optimize the upload process. You have already created the stage and have necessary privileges. Which of the following approaches would be most effective for uploading the files efficiently?

A) Use the 'PUT ' command with the 'PARALLEL' option enabled in SnowSQL.

B) Compress the files into a single ZIP archive before uploading using the 'PUT' command.

C) Write a Python script leveraging the Snowflake Connector for Python to upload the files using multi-threading or asynchronous operations.
D) Utilize Snowflake's internal staging using 'PUT command on Internal stage for smaller file and external stage for larger file and then copy the larger file from external to internal by referencing file URL.
E) Use the Snowflake Visual Studio Code (VS Code) extension's built-in file upload feature, which automatically handles parallel uploads.

3. An application developer is creating a Snowflake Native App that uses a user-defined function (UDF) 'MY UDF' in 'APP SCHEMA' The UDF reads data from a table 'APP TABLE' which is also in "APP SCHEMA'. The application role is 'APP ROLE'. Which of the following 'GRANT' statements are necessary for the application to function correctly within the provider account , assuming the UDF is defined with 'VOLATILE' behavior and is using the caller's rights (i.e., 'EXECUTE AS CALLER)?

A)

B)

C)

D)

E)

4. A Snowflake Native Application is being developed. The application requires access to a third-party API to enrich dat a. To securely store the API key, the developer plans to use a Secret object within Snowflake. Which of the following steps are necessary to grant the application, specifically an application role named 'data_processor' , the ability to read this Secret object? (Choose three)

A) Grant the OWNERSHIP privilege on the Secret object to the 'data_processor' application role.
B) The 'data_processor' application role automatically inherits privileges for accessing Secrets defined within the application package.
C) Grant the READ privilege on the Secret object to the 'data_processor' application role.
D) Grant the USAGE privilege on the secret object to the 'APPLICATION PACKAGE.
E) Grant the USAGE privilege on the Secret object to the 'data_processor' application role.

5. You are preparing to list your Snowflake Native Application on the Snowflake Marketplace. You've developed the application and implemented security measures. Which of the following steps are essential best practices for ensuring a successful and secure listing on the Snowflake Marketplace?

A) Avoid documenting any limitations or potential issues with the application to present a flawless image to potential consumers. Only provide limited pricing information to create a sense of urgency to potential consumer
B) Clearly communicate the application's security model, including data encryption methods, access controls, and any reliance on consumer-side security configurations. Undergo and document regular security audits and penetration tests of the application.
C) Implement robust error handling and logging mechanisms to provide consumers with informative error messages and aid in troubleshooting. Include mechanisms for securely collecting and storing application usage metrics (if required), ensuring compliance with privacy regulations.
D) Thoroughly document the application's functionality, installation instructions, configuration options, and any known limitations. Provide clear and concise pricing information and support contact details.
E) Include a prominently displayed disclaimer stating that the application is provided "as is" and the provider assumes no liability for any damages arising from its use. Only provide basic installation instructions. It is the end user's responsibility to know how to use the application.

Solutions: