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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%	- Upgrades and lifecycle management - Versioning and release management - Publishing to Snowflake Marketplace - Listing types and monetization
Application Design & Creation	35%	- Setup scripts and application logic - Manifest files and configuration - Native App Framework architecture - Security and access control - Application packages and objects
Application Installation & Testing	20%	- Provider and consumer workflows - Installation procedures and dependencies - Testing strategies and validation - Debugging and troubleshooting

>> NAS-C01 Quizfragen Und Antworten <<

Echte und neueste NAS-C01 Fragen und Antworten der Snowflake NAS-C01 Zertifizierungsprüfung

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Snowflake SnowPro Specialty - Native Apps NAS-C01 Prüfungsfragen mit Lösungen (Q80-Q85):

80. Frage
You are developing a Snowflake Native Application that processes customer order dat a. As part of the setup script, you need to create a shared database and a secure view to expose aggregated order statistics to consumer accounts. Which of the following is the MOST secure and efficient way to achieve this, considering data governance and performance?

A. Create a secure view in the application database using the APPLICATION role. Create a shared database and share the APPLICATION database. The consumer account then uses a local view pointing to the shared secure view.
B. Create a regular view in the application database using the APPLICATION role. Create a shared database and share the APPLICATION database. The consumer account then uses a local view pointing to the shared view.
C. Create a regular view in the provider account and grant SELECT privileges to the application role. Then, create a shared database and share this view.
D. Create a secure materialized view in the provider account and grant SELECT privileges to the application role. Then, create a shared database and share this materialized view.
E. Create a secure view in the provider account and grant SELECT privileges to the application role. Then, create a shared database and share this view.

Antwort: A

Begründung:
Creating a secure view in the application database with the APPLICATION role and then sharing the application database is the most secure option. Using the APPLICATION role ensures only the application can access the underlying data. Secure views ensure that data is masked according to the view's definition when accessed by consumers. Consumer accounts use a local view to interact with the shared data, providing an abstraction layer. Materialized views are generally not shared directly because they represent pre-computed data and may not reflect the latest changes.

81. Frage
You are developing a Snowflake Native Application that requires fine-grained control over data access for its users. You plan to use Streamlit within the application and leverage the Permissions API to manage these privileges. Assume you have successfully established a connection to Snowflake within your Streamlit app. Which of the following code snippets accurately demonstrate how to grant the 'SELECT privilege on a table named 'APP DATA in the application's schema to a specific role, 'APP USER, using the Permissions API, and then verify if that privilege has been granted?

Antwort: D

Begründung:
Option E is correct because it accurately grants the SELECT privilege and then uses the 'SHOW GRANTS TO ROLE' command to verify the privilege. It also includes a check to ensure the schema, table, and privilege all match the expected values, handling upper/lower case variations. Option A is similar, but has inconsistent index access in the SHOW GRANT results, and its check might be too strict by requiring the role to match. Option B incorrectly accesses the results of SHOW GRANTS, checking the wrong indices. Option C mentions a hypothetical PermissionsClient which is NOT available in Snowflake. The Permissions API does not have 'grant_select' or 'check_privilege' methods like that. Option D uses INFORMATION_SCHEMA which is less reliable in the context of Snowflake Native Applications. The table name case-sensitivity matters with INFORMATION SCHEMA. The Information Schema is dependent on the privileges of the session role.

82. Frage
A Snowflake Native App developer wants to utilize a README.md file within their application package. Which of the following statements accurately describe the supported usage and purpose of the README.md file in this context?

A. Snowflake automatically renders the READMmd file as part of the application s user interface within the consumer s account, allowing them to view documentation directly from Snowflake.
B. The README.md file must adhere to a specific Snowflake schema for metadata to be automatically extracted and displayed within the consumer's Snowflake environment post-installation.
C. The README.md file can be programmatically accessed within the application logic using a Snowflake-provided API to dynamically generate documentation for the consumer.
D. The README.md file is automatically displayed to consumers within the Snowflake Marketplace listing, providing a detailed overview of the app's functionality and installation instructions.
E. The README.md file is a Markdown formatted file and used only for internal documentation by the app developer and is not exposed to consumers through any Snowflake interface.

Antwort: D

Begründung:
The README.md file in a Snowflake Native App package is primarily used to populate the app's listing in the Snowflake Marketplace. It provides information about the app to potential consumers. It's not used for internal documentation only, nor is it rendered within the consumer's account post-installation. It doesn't require a specific Snowflake schema, nor is it programmatically accessible from the app.

83. Frage
You are creating a Snowflake Native Application that includes a stored procedure to process sensitive dat a. The procedure needs to access data from a table owned by the application package and write processed data to a table in the consumer's account. The data in the consumer's table must only be accessible by authorized roles within the consumer's account, not directly by the application itself. Which of the following approaches ensures the MOST secure and controlled access to the consumer's data?

A. Implement an API endpoint within the application package that the consumer can call to retrieve the processed data.
B. Store the processed data in an intermediate stage accessible to both the application and the consumer.
C. Create a secure view on the consumer's table and grant the APPLICATION' role 'SELECT privileges on the view.
D. Grant the 'APPLICATION' role direct 'SELECT and 'INSERT privileges on the consumer's table.
E. Use the EXECUTE AS CALLER clause for the stored procedure, requiring the consumer to grant the necessary privileges to a role that executes the procedure.

Antwort: E

Begründung:
'EXECUTE AS CALLER is the most secure approach. It forces the stored procedure to execute with the privileges of the caller (the consumer's role). The consumer must grant a specific role the necessary privileges on their table, giving them full control over who can access the data. Granting direct privileges to the 'APPLICATION' role compromises security. Secure views can still expose data, and an API endpoint adds unnecessary complexity. An intermediate stage creates a potential security vulnerability and requires additional management.

84. Frage
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. Immediately replace the existing application version with the new version. Snowflake will automatically handle any schema compatibility issues.
B. 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.
C. Notify all users that the application will be unavailable for several hours while the schema changes are applied directly to the production environment.
D. 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.
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.

Antwort: D,E

Begründung:
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.

85. Frage
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NAS-C01 Originale Fragen: https://www.zertpruefung.ch/NAS-C01_exam.html