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Snowflake NAS-C01 Exam Syllabus Topics:

Section	Weight	Objectives
Deployment and Marketplace Publishing	25%	- Distribution and lifecycle management 1. Version upgrades and release management 2. Marketplace listings and publishing
Snowflake Native App Framework Overview	20%	- Native application concepts and architecture 1. Manifest files and setup scripts 2. Application packages and structure
Native Application Design and Creation	35%	- Application development workflow 1. Application roles and privileges 2. Building and versioning applications
Installation, Testing and Troubleshooting	20%	- Validation and debugging 1. Tracing and troubleshooting workflows 2. Logging and event tables

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Snowflake SnowPro Specialty - Native Apps Sample Questions (Q229-Q234):

NEW QUESTION # 229
A data provider is building a Snowflake Native Application that provides real-time stock market data through a Snowflake Marketplace listing. They have implemented a secure data sharing mechanism. To update the data in the listing with minimal downtime and ensure continuous availability for their consumers, which strategy should they employ?

A. Perform direct updates to the tables within the shared database. Use SALTER TABLE ... SWITCH WITH' to minimize locking during the update process, creating new tables with updated data.
B. Use tasks and streams to incrementally refresh the data in the shared database. Implement error handling to manage potential data inconsistencies.
C. Completely replace the underlying shared database with a new version during off-peak hours.
D. Create a new version of the Snowflake Native Application containing the updated data and deprecate the previous version. Consumers will need to migrate to the new version.
E. Utilize Snowflake's cloning feature to create a duplicate of the shared database, update the data in the clone, and then swap the original and cloned databases using 'ALTER DATABASE SWAP WITH'.

Answer: B

Explanation:
Using tasks and streams allows for incremental data updates, minimizing downtime and providing continuous data availability. Error handling is crucial for maintaining data consistency. Swapping databases is not possible because native apps control the database, and consumers access it via a share. Simply updating the table will cause downtime for consumers.

NEW QUESTION # 230
You are creating a Snowflake Native App using the Native Apps Framework. Your application needs to perform a task that must execute on a regular schedule (e.g., daily data refresh). Which Snowflake feature(s) can you leverage to achieve this, and what considerations are important when using them within the Native App context?

A. You should implement an external scheduler (e.g., AWS Lambda, Azure Functions) that triggers a Snowflake Stored Procedure via the Snowflake API. The Stored Procedure should be owned by the APPLICATION role.
B. Snowflake Pipes are the preferred method for scheduled data ingestion within Native Apps, as they are designed for continuous data loading from external sources.
C. Snowflake Tasks can be used directly within the Native App, but you must ensure the task definition is part of the application package and the task is resumed upon installation in the consumer account. The task must use the APPLICATION role.
D. Use Snowflake Alerts with a cron schedule to trigger a stored procedure owned by the APPLICATION role. The procedure executes any scheduled task.
E. Snowflake Streams should be used to track data changes and trigger the refresh process. The Stream must be defined in the application package, and a separate task can be configured to consume the stream data.

Answer: C,D

Explanation:
Snowflake Tasks provide a native scheduling mechanism within Snowflake. When using them in a Native App, the task definition must be included in the application package. The task MUST be owned by the APPLICATION role to ensure proper security and access control. External schedulers introduce unnecessary complexity and dependency. Streams are for change data capture, not direct scheduling. Alerts provide a lightweight scheduling mechanism for smaller tasks. Pipes are specifically for continuous data loading from external sources.

NEW QUESTION # 231
You are developing a Snowflake Native Application that utilizes the 'APPLICATION ROLE' within a secure data sharing context. The application needs to perform different actions based on the role assigned to the user accessing the shared dat a. Consider the following code snippet in a stored procedure:

Which of the following modifications is necessary for the stored procedure to correctly utilize the 'APPLICATION ROLE and function as intended within the context of a Snowflake Native Application and a share?

A.
B.
C. No modification is needed. The function will automatically return the active 'APPLICATION_ROLE' within the share.
D.
E.

Answer: B

Explanation:
Option D is correct. The 'CURRENT ROLE()' function returns the primary role of the user, not necessarily the active 'APPLICATION_ROLE. To accurately determine the active , you must use The other options are not relevant to identifying the active application role. Calling SNOWFLAKE.PLATFORM INFO.GET APPLICATION ROLE() may provide some information, but it is preferable to call CURRENT_APPLICATION_ROLE().

NEW QUESTION # 232
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 to the 'application' role and EXECUTE TASK privilege on the TASK to the 'app_public' role.
C. Grant USAGE privilege on the API integration 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.

Answer: C

Explanation:
For the TASK to successfully call the stored procedure which in turn calls the external function using API integration, the 'app_public' role needs 'USAGE privilege on the API integration and 'EXECUTE TASK privilege on the TASK. The 'app_owner' role is typically used for managing the application and not for executing tasks in the consumer account. The 'application' role doesn't exist in the context of native apps in this sense. Granting USAGE on API integration allows application to use the integration. Granting execute on task, enables the task to be executed.

NEW QUESTION # 233
You are designing a Snowflake Native Application that performs sentiment analysis on customer reviews. The application needs to store intermediate results and provide aggregated sentiment scores to the consumer. You are considering using either temporary tables or regular tables within your application package. Which of the following considerations are most important when deciding between these two options?

A. The data retention period for regular tables can be used to implement data versioning and auditing within the application package.
B. Temporary tables are visible to all roles within the application package, simplifying data access and management for different components of the application.
C. Regular tables are persisted across sessions and can be queried by the consumer after the application has completed its processing. This allows the consumer to analyze the intermediate results and gain further insights.
D. Temporary tables are automatically dropped at the end of each session, ensuring that no sensitive data is persisted longer than necessary. This is crucial for maintaining data privacy and compliance.
E. Regular tables require specifying a data retention period, which adds complexity to the application's setup script and can potentially lead to data loss if not configured correctly.

Answer: A,C,D

Explanation:
Options A, C, and E are correct. Temporary tables ensure data privacy by being session-bound. Regular tables allow consumers access to results and enable data versioning. Option B is incorrect because temporary tables are only available to the session that created them. Option D is partially correct, but the benefit of data versioning outweigh the cost of implementing retention period.

NEW QUESTION # 234
......

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