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Snowflake NAS-C01 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Deployment and Marketplace Publishing	25%	- Distribution and lifecycle management 1. Version upgrades and release management 2. Marketplace listings and publishing
Topic 2: Installation, Testing and Troubleshooting	20%	- Validation and debugging 1. Tracing and troubleshooting workflows 2. Logging and event tables
Topic 3: Native Application Design and Creation	35%	- Application development workflow 1. Application roles and privileges 2. Building and versioning applications
Topic 4: Snowflake Native App Framework Overview	20%	- Native application concepts and architecture 1. Manifest files and setup scripts 2. Application packages and structure

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Snowflake SnowPro Specialty - Native Apps Sample Questions (Q130-Q135):

NEW QUESTION # 130
An application provider creates a Snowflake Native App that needs to access sensitive data within the consumer's account. The provider has already defined an APPLICATION ROLE named Which of the following combination of actions are required to grant the 'app_role' the ability to select data from a table named 'customer_data' in schema of database 'consumer_db' within the consumer's account? (Choose two)

A. Grant the 'SELECT privilege on the 'consumer_db.app_schema.customer_data' table to the 'APPLICATION PACKAGE
B. Grant the 'SELECT privilege on the 'consumer_db.app_schema.customer_data' table to the 'APPLICATION ROLE app_role'.
C. Grant the 'IMPORTED PRIVILEGES' privilege on the 'consumer_db' database to the 'APPLICATION PACKAGE.
D. No privileges are needed as the Application already installed in consumer account.
E. Grant the 'USAGE privilege on the schema to the 'APPLICATION ROLE app_role' .

Answer: B,E

Explanation:
To enable an application role to access objects in the consumer account, SELECT access on the table, along with usage access to the schema, need to be granted to the APPLICATION ROLE. Granting privileges to the APPLICATION PACKAGE only makes the privileges available for granting to the application roles, it does not automatically provide access. SELECT privilege on the table and USAGE on the schema are both needed. The APPLICATION ROLE, not PACKAGE, needs the SELECT privilege to the table. IMPORTED PRIVILEGES is typically granted to share data across accounts, not within an account for a Native App.

NEW QUESTION # 131
You are developing a Snowflake Native Application that utilizes a custom stage for storing large intermediate datasets during processing. Your CI/CD pipeline involves automated testing in a dedicated testing account. To ensure proper isolation and prevent interference with production data, how should you configure the stage path within your application package version definition, considering the stage name might differ between development and test environments?

A. Define the stage path as a parameter in the application installation script. When installing the application in each environment, pass the correct stage path as an argument.
B. Utilize Snowflake's and 'CURRENT functions in conjunction with conditional logic within the application to derive the stage path based on the environment.
C. Employ a versioned configuration file (e.g., YAML) within the application package. The CI/CD pipeline should replace placeholders in the configuration file with environment-specific stage paths before creating the version.
D. Hardcode the stage name and path directly within the setup script of the version. This approach is simple and ensures consistent access across environments.
E. Use a Snowflake Secret to store the stage path and retrieve it dynamically during application installation. The secret's value will be environment-specific.

Answer: C,E

Explanation:
Options B and C are the most appropriate. Using a Snowflake Secret (B) allows for secure and environment-specific storage of sensitive information like the stage path. Versioned configuration files (C) offer a structured way to manage environment-specific configurations and enable easy replacement via CI/CD pipelines. Option A is not recommended due to the lack of flexibility and potential for errors. Option D might be feasible, but is less maintainable than options B and C. Option E requires manual intervention during install in each env, defeating the purpose of CUCD.

NEW QUESTION # 132
You are developing a Native Application that needs to access data from a consumer's table. The data contains personally identifiable information (PII), and your application requires explicit consent from the consumer to access this dat a. You have implemented a consent mechanism within your application's UI. Which of the following steps are NECESSARY to ensure compliance with data privacy regulations when accessing the consumer's data?

A. Implement a stored procedure that checks the consumer's consent flag. If consent is granted, the stored procedure retrieves and returns the requested data. Grant EXECUTE TASK privilege on the stored procedure to the application's service account.
B. Grant the SELECT privilege on the table directly to the application's service account after the consumer provides consent.
C. Use Snowflake's dynamic data masking policies on the PII columns and grant the application's service account the APPLY MASKING POLICY privilege. Revoke the UNMASK privilege from the application's service account.
D. Implement a row access policy on the table based on the consumer's consent flag, ensuring the application only sees data for consumers who have granted consent. Grant the SELECT privilege on the table to the application.
E. Implement a secure view that filters the PII data unless the consumer's consent flag is set to TRUE in a separate consent table. Grant SELECT on the secure view to the application's service account.

Answer: D,E

Explanation:
Options B and E are correct and the best solutions. Option B uses a secure view which only exposes data when consent is given, adds an extra security. Row access policies (Option E) is the best solution by filtering the rows the application can see based on consent. Option A is incorrect because directly granting SELECT without a consent check bypasses the consent requirement. Option C is correct as store procedure also work but secure view is better. Option D doesn't prevent unauthorized access before explicit consent is given.

NEW QUESTION # 133
Your Snowflake Native Application uses a combination of stored procedures and UDFs. You've implemented robust logging within your application to track usage and potential errors. You want to grant a Snowflake support engineer temporary access to these logs for troubleshooting purposes, minimizing the risk of exposing sensitive consumer dat a. Select the two statements below that describe best practices to ensure security and efficiency.

A. Use a temporary table to copy the relevant log data, mask sensitive information using 'MASKING POLICY or 'ANONYMIZATION' and grant the support engineer SELECT access to the temporary table. Schedule the table to drop automatically after a short period (e.g. 24 hours).
B. Create a dedicated view on the logging table that filters out sensitive data (e.g., PII) and grant the support engineer SELECT privileges on this view.
C. Implement row-level security (RLS) policies on the logging table to restrict access based on the support engineer's role.
D. Create a new user role specifically for support and grant this role SELECT privileges on the logging tables without any filtering.
E. Grant the support engineer OWNERSHIP of the database containing the logging tables. This allows them full access for troubleshooting.

Answer: A,B

Explanation:
Options A and D are the most secure and efficient methods. Option A creates a restricted view, limiting the data the engineer can see. Option D uses masking and temporary tables to provide access to anonymized data for a limited time. Granting ownership (B) provides excessive permissions. RLS (C) is valid, but more complex for temporary access. The best practice is to avoid granting access directly to raw data or granting unnecessary privileges. Option E lacks security considerations by granting direct access to raw unfiltered data.

NEW QUESTION # 134
You are the developer of a Snowflake Native Application. You've created a new version of your application package, v2.0. You want to perform a controlled rollout, first releasing it to a subset of your consumers for testing before making it generally available. Which sequence of steps, leveraging Snowflake's lifecycle management features, would you use to achieve this?

A. 1. Create a new APPLICATION role for beta testers. 2. Grant USAGE privilege on version v2.0 to the beta testers APPLICATION role. 3. Update the default version of the application package to v2.0.
B. 1. Create a new APPLICATION role for beta testers. 2. Grant USAGE privilege on the application package to the beta testers APPLICATION role. 3. Grant USAGE privilege on version v2.0 to the beta testers APPLICATION role. 4. Update the default version of the application package to v2.0.
C. 1. Create a new APPLICATION role for beta testers. 2. Grant USAGE privilege on version v2.0 to the beta testers APPLICATION role. 3. Instruct beta testers to manually specify VERSION = 'v2.0' when creating their application instances.
D. 1. Instruct consumers to use the 'ALTER APPLICATION' command to upgrade to v2.0. 2. Monitor consumer feedback on the upgraded version.
E. 1. Create a dedicated APPLICATION role for the application. 2. Grant OWNERSHIP on the application package to the application's APPLICATION role. 3. Update the default version of the application package to v2.0.

Answer: C

Explanation:
The correct answer is C because creating a dedicated role, granting usage on the specific version, and instructing beta testers to specify the version during application instance creation allows for controlled access to the new version. Option A and B would expose the new version after setting default version. Option D only grants ownership and does not control version access for consumers. Option E requires manual intervention from all consumers which defeats controlled rollout purpose.

NEW QUESTION # 135
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