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Snowflake NAS-C01 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Application Deployment & Distribution	25%	- Listing types and monetization - Versioning and release management - Upgrades and lifecycle management - Publishing to Snowflake Marketplace
Topic 2: Application Design & Creation	35%	- Application packages and objects - Native App Framework architecture - Setup scripts and application logic - Manifest files and configuration - Security and access control
Topic 3: Advanced Features & Management	20%	- Billing events and cost monitoring - Event logging and telemetry - Governance and compliance - Integration with Snowpark and external services
Topic 4: Application Installation & Testing	20%	- Debugging and troubleshooting - Installation procedures and dependencies - Provider and consumer workflows - Testing strategies and validation

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Snowflake SnowPro Specialty - Native Apps Sample Questions (Q221-Q226):

NEW QUESTION # 221
You are packaging a Snowflake Native App that includes a Streamlit application. You need to define specific permissions for the application to access data in the consumer's account. Specifically, the application needs to read from a table named in the schema within the consumer's database 'consumer_db'. Which of the following steps are required to correctly grant these privileges during the application installation process?

A. Create a secure view in the consumer's account that selects from and grant 'SELECT on the secure view to the application role. This requires coordination with the consumer.
B. In your setup script ('setup.sql'), execute 'GRANT SELECT ON TABLE consumer_db.consumer_schema.consumer_data TO APPLICATION ROLE app_role;' where 'app_role' is the application role defined in your application package.
C. The consumer must manually grant the 'SELECT privilege on 'consumer_db.consumer_schema.consumer_data' to the application's install-time role after the application is installed. No action is needed within the application package.
D. In your manifest file ('manifest.yml'), declare a 'privileges' section specifying 'SELECT' privilege on 'consumer_db.consumer_schema.consumer_data' for the app_role' .
E. Use the 'snowflake.permissionss module within your Streamlit application to dynamically request the 'SELECT privilege on 'consumer_db.consumer_schema.consumer_data' when the application starts. Display an error message if the privilege is not granted.

Answer: B,D

Explanation:
Options A and C are the correct and necessary steps. The manifest file ('manifest.yml') must declare the required privileges (C). The setup script ('setup.sql') then executes the "GRANT' statements to assign those privileges to the application role (A). Option B is incorrect; the application needs to declare and request privileges. Option D is a possible workaround but requires consumer involvement and is less direct. Option E is not a standard or supported way to handle permissions in Snowflake Native Apps. The 'snowflake.permissions' module does not exist.

NEW QUESTION # 222
You are designing a Snowflake Native App that interacts with sensitive customer dat a. You need to ensure that the application only accesses the data it absolutely needs and adheres to the principle of least privilege. Which of the following strategies are crucial for maintaining data security within your application?

A. Implement data masking policies to redact sensitive information before it's accessed by the application.
B. Store sensitive customer data directly within the application package to avoid external access.
C. Create specific roles with granular access privileges (e.g., 'SELECT on specific columns) and grant these roles to the application's managed service account.
D. Utilize Snowflake's secure UDFs with invoker's rights to perform data transformations and access control based on the user's role.
E. Grant the application role the 'OWNERSHIP' privilege on all tables containing customer data.

Answer: A,C,D

Explanation:
Options B, C, and E are essential for data security. Granting granular privileges (B) minimizes the attack surface. Data masking (C) prevents direct exposure of sensitive information. Secure UDFs with invoker's rights (E) enforce access control at the function level. Option A grants excessive privileges. Option D is an anti-pattern, as application packages should not store persistent data.

NEW QUESTION # 223
You are developing a Snowflake Native App that will be listed on the Snowflake Marketplace. The application requires a specific version of a Python library that may conflict with other libraries used by consumers. How can you ensure that your application uses the correct library version without causing conflicts in the consumer's environment?

A. Modify the consumer's 'PYTHON PATH' environment variable upon installation to include the location of your application's Python libraries.
B. Rely on Snowflake's automatic dependency resolution to identify and install the correct version of the Python library in the consumer's environment.
C. Package all application logic into a single SQL UDF to avoid Python dependency issues entirely.
D. Instruct consumers to manually install the required Python library version in their Snowflake environment before installing your app.
E. Bundle the required Python library with your application package and utilize Anaconda packages support to manage dependencies, ensuring isolation from the consumer's environment.

Answer: E

Explanation:
Bundling the required Python library within your application package and leveraging Anaconda is the recommended approach. This creates an isolated environment for your application's dependencies, preventing conflicts with other libraries in the consumer's environment. Manual installation by the consumer is inconvenient and prone to errors. Modifying the is not a supported or recommended practice. Snowflake's dependency resolution may not guarantee the correct version for all cases, especially with conflicts. Limiting to SQL UDFs might not be feasible or efficient for complex Python-based logic.

NEW QUESTION # 224
A consumer reports that they are unable to query a table 'SECURE DATA' provided by your Snowflake Native Application, even though they have been granted the necessary 'SELECT' privilege on the application database role. When troubleshooting, you observe the following:

A. The consumer's query is attempting to access columns that are masked using dynamic data masking policies, and the consumer's role lacks the 'APPLY MASKING POLICY privilege. Revoke the masking policy.
B. The consumer is attempting to query the table using a warehouse that is too small to handle the data volume. Advise the consumer to increase their warehouse size.
C. The table 'SECURE_DATA' is protected by a data governance firewall rule in the provider account, blocking the consumer from accessing data that violates the rules set within the firewall. Review and update the firewall rules to allow this specific query pattern from the consumer.
D. The table 'SECURE_DATX is a secure view referencing other tables, and the consumer lacks the 'IMPORTED PRIVILEGES' grant on the application package or appropriate database roles to access the underlying objects. Grant the 'IMPORTED PRIVILEGES' on the application package.
E. The table 'SECURE DATA has row access policies applied that restrict access based on the consumer's user attributes. Verify the policies and adjust them if necessary.

Answer: C,D,E

Explanation:
Options A, C and E are correct. Row access policies, data governance firewall and secure views (especially with masking policies) are common causes of access restrictions. If the consumer is missing permissions, or data governance firewalls prevent access, the query will fail even with SELECT privileges on the table. Option B is incorrect as this would cause a performance problem not an access problem. Option D suggests revoking the masking policy, which might not be the desired solution as it weakens data security.

NEW QUESTION # 225
A Snowflake Native Application uses a task 'aggregate_data' to aggregate dat a. This task is owned by the 'app_public' role and executes a stored procedure 'aggregate data proc'. Consumers have reported the task sometimes fails intermittently, citing permission issues, specifically related to accessing a specific table in the consumer account. The application provider has granted 'SELECT' privilege on the table to the 'app_public' role. However, the failures persist. What is the MOST LIKELY cause of the intermittent failures related to executing the task?

A. The stored procedure is executed with definer's rights (OWNER), so the privilege check occurs against the application provider's account, not the consumer's account.
B. The stored procedure is executed with caller's rights (CALLER), and the 'EXECUTE TASK privilege wasn't granted correctly, which causes the user to randomly lose access on the Snowflake Ul.
C. The stored procedure is executed with caller's rights (CALLER), but the application role 'app_public' doesn't have sufficient warehouse privileges in the consumer account.
D. The task 'aggregate_data' is executing with definer's rights (OWNER) of the application, so the grant of SELECT privilege to 'app_public' is sufficient, and there is likely an issue with transient network connectivity.
E. The stored procedure is executed with caller's rights (CALLER), but the application role 'app_public' doesn't have the ACTIVATION privilege on the task.

Answer: A

Explanation:
When a stored procedure is executed by a task, the stored procedure runs with the rights of the OWNER by default. This means that even if you grant 'SELECT privilege on the table to 'app_public' (the task's role), if the stored procedure is executing with definer's rights, it is checking the privileges in the application provider's account, not the consumer's. Therefore, the application provider's account needs to have SELECT privilege on the table. It is unlikely there is any issues related to warehouse rights, or that they would resolve transient network connectivity issues. The EXECUTE TASK' privilege only relates to being able to execute the task, not what the task can access.

NEW QUESTION # 226
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