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Snowflake NAS-C01 Exam Syllabus Topics:

Section	Weight	Objectives
Advanced Features & Management	20%	- Integration with Snowpark and external services - Governance and compliance - Event logging and telemetry - Billing events and cost monitoring
Application Deployment & Distribution	25%	- Versioning and release management - Upgrades and lifecycle management - Publishing to Snowflake Marketplace - Listing types and monetization
Application Design & Creation	35%	- Native App Framework architecture - Manifest files and configuration - Application packages and objects - Security and access control - Setup scripts and application logic
Application Installation & Testing	20%	- Installation procedures and dependencies - Provider and consumer workflows - Debugging and troubleshooting - Testing strategies and validation

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SnowPro Specialty - Native Apps study guide & NAS-C01 reliable questions & SnowPro Specialty - Native Apps pdf dumps

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Snowflake SnowPro Specialty - Native Apps Sample Questions (Q168-Q173):

NEW QUESTION # 168
You are publishing a Snowflake Native Application to the Marketplace. You've completed initial testing, and the application appears to function as expected. However, the security scan consistently fails with a 'Data Exfiltration' error. The application includes a stored procedure that aggregates data from several tables within the application container and writes the results to an external stage using the 'COPY INTO' command. Review the following code snippet:

Which of the following changes is MOST likely to resolve the 'Data Exfiltration' error during the security scan?

A. Modify the stored procedure to only export data to a table within the application container instead of an external stage.
B. Encrypt the data written to the external stage using client-side encryption with a key managed by the application provider.
C. Remove the 'GRANT EXECUTE privilege on the 'export_data' procedure from the 'app_public' role.
D. Require the consumer to explicitly grant the application usage privilege on a secure external stage controlled by the consumer, and modify the procedure to validate the stage's existence and permissions before exporting data.
E. Implement row-level security policies on the 'aggregated_data' table to restrict access to sensitive rows.

Answer: D

Explanation:
The 'Data Exfiltration' error indicates a potential risk of unauthorized data leaving the consumer's Snowflake environment. The root cause is often that the application provider has unrestricted control over where the data is exported. The solution is to require the consumer to control the external stage and explicitly grant the application usage privilege on it. This ensures that the consumer is aware of and approves the data export. Option A would break the functionality. Option B addresses data access within the container but doesn't prevent exfiltration if the application can still write to an uncontrolled stage. Option D adds complexity but doesn't fundamentally address the control issue. Option E restricts functionality unnecessarily.

NEW QUESTION # 169
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. 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.
B. 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.
C. 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.
D. 1. Test new Pricing in a Sandbox environment with few consumers. 2. Deploy the new version to the consumer accounts.
E. 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.

Answer: B,E

Explanation:
The correct answer is A then E. First, a new version of the application package (A) is created with the code changes to support the 'Premium' features. Then, the Marketplace listing is updated with the new version and the 'Premium' pricing tier. It's also important to ensure backward compatibility for existing customers (E) so their experience is not negatively affected after the update. Option B is incorrect because modifying the existing application package in place can cause issues for existing installations. Option C is incorrect because you must implement the new features. Option D is relevant but it's not what the question is asking for and it is not a comprehensive answer.

NEW QUESTION # 170
As a Native App Provider, you've identified a performance bottleneck in a query against a table within your application's container due to an inefficient join. The query is part of a view exposed to consumers. Which of the following actions would be MOST effective in improving the query performance while minimizing disruption to consumers?

A. Create a search optimization policy on columns used in the 'WHERE' clause in the view. This does not require any changes from the consumers.
B. Rewrite the query in the view definition to use a more efficient join algorithm (e.g., using hints). Consumers will automatically benefit from the improved performance.
C. Add a 'CLUSTER BY clause to the underlying table based on the join keys. Consumers will automatically benefit from improved query performance without any changes on their end.
D. Create a materialized view in place of the existing view, pre-computing the join results. This will require consumers to update their queries to use the new materialized view name.
E. Implement a scheduled task to regularly update the statistics of the table involved in the join. This will help the query optimizer make better decisions, and consumers will see improved performance gradually.

Answer: A,B,C,E

Explanation:
Options A, C, D and E are correct. Clustering the table improves data locality and join performance, the rewritten query can improve performance, updating statistics helps the query optimizer, and search optimization can speed up filtering. Option B is incorrect because creating a materialized view requires consumers to change their queries, which is disruptive. Consumers should not have to change the queries they execute.

NEW QUESTION # 171
Consider the following 'manifest.yml' file for a Snowflake Native App:

A. The application version will default to '0.1.0' and the application can be installed successfully by any consumer account.
B. The application will fail to install because no 'privileges' are listed in the manifest file. All applications must declare the necessary privileges.
C. The application will fail to install because the version property is missing. Each version must explicitly be specified in the manifest file.
D. The application version will be automatically assigned by Snowflake during the installation process on the consumer side.
E. The application version will default to '0.0.1'. If the application includes a view, then the view needs access to the user data and must have a privilege declared to allow users to view data from the application.

Answer: C

Explanation:
A valid version is mandatory in 'manifest.yml' to install native apps. When version is missing, the installation will fail.

NEW QUESTION # 172
You are tasked with deploying a new version of your Snowflake Native Application. The new version introduces significant schema changes to the data warehouse used by the application. What steps should you take during the deployment process to ensure a smooth transition and minimize downtime?

A. Notify all users that the application will be unavailable for several hours while the schema changes are applied directly to the production environment.
B. Use Snowflake's zero-copy cloning feature to create a copy of the existing database. Apply the schema changes to the cloned database, test thoroughly, and then promote the cloned database to production.
C. Modify the existing tables in place to reflect the new schema. Update your application's code to be compatible with the new schema after the changes are complete.
D. Immediately replace the existing application version with the new version. Snowflake will automatically handle any schema compatibility issues.
E. Deploy the new version as a staging version alongside the existing version. Implement data migration scripts to gradually move data to the new schema, and then switch the production traffic to the new version.

Answer: B,E

Explanation:
Options B and D are both valid approaches for deploying a new version with schema changes. Option B provides a controlled and gradual migration to the new schema. Option D leverages Snowflake's cloning capabilities to minimize downtime and provide a rollback option. Option A assumes automatic handling of schema changes, which is not correct. Option C results in significant downtime. Option E is risky and can lead to data inconsistencies and application errors if not handled carefully and incrementally. Promoting the clone to production is preferable to modifying in place.

NEW QUESTION # 173
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