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Snowflake NAS-C01 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Native Application Design and Creation	35%	- Application development workflow 1. Building and versioning applications 2. Application roles and privileges
Topic 2: Deployment and Marketplace Publishing	25%	- Distribution and lifecycle management 1. Marketplace listings and publishing 2. Version upgrades and release management
Topic 3: Snowflake Native App Framework Overview	20%	- Native application concepts and architecture 1. Application packages and structure 2. Manifest files and setup scripts
Topic 4: 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 (Q351-Q356):

NEW QUESTION # 351
A data engineer, Alice, is developing a Snowflake Native Application that exposes a stored procedure, 'calculate_aggregate' , within the application schema 'app_schema'. She initially granted privilege on the application database to the 'analyst_role' and EXECUTE privilege on 'calculate_aggregate' to the same role. Later, due to a security audit, she needs to revoke the 'EXECUTE privilege from 'analyst_role' but wants to ensure users assigned to 'analyst_role' can still access other objects in the application database (but not execute this specific stored procedure). Which of the following actions achieves this goal MOST efficiently and securely?

Answer: E

Explanation:
Option A is the most precise and efficient. It revokes only the 'EXECUTE privilege on the specific stored procedure 'calculate_aggregate' from the 'analyst_role' , leaving other privileges and access to other objects within the database intact. Option B would revoke all privileges, potentially more than intended. Options C and D are unnecessarily broad, affecting access to the entire database or schema, which is not the requirement. Option E addresses ownership, not execution privileges.

NEW QUESTION # 352
You are tasked with publishing a Snowflake Native Application to the Snowflake Marketplace. Your application relies on specific external packages available through Anacond a. You've already built your application and are preparing to create the listing. Which steps are NECESSARY to ensure that consumer accounts can successfully install and use your application, considering external package dependencies?

A. When creating the Snowflake Marketplace listing, specify the required external packages under the 'External Packages' section using the fully qualified package name (e.g., 'snowflake.ml.modeling').
B. Distribute the packages directly as part of the application code. This avoids external dependencies.
C. Include a 'requirements.txt file within your application package listing all required Python packages and their versions.
D. Consumers are automatically prompted to install any missing external packages upon installing the application; no specific action is required during listing creation.
E. Explicitly import all required external packages within the application's setup script using 'import

Answer: A

Explanation:
Option C is correct. The Snowflake Marketplace listing requires you to explicitly declare the external packages your application depends on in the 'External Packages' section. This allows Snowflake to automatically handle the package installation in the consumer's account. Options A and B are relevant during application development, not listing creation. Option D is not scalable for commonly used packages. Option E is incorrect because consumer intervention may be necessary but Snowflake must be aware of dependencies to guide them.

NEW QUESTION # 353
A Snowflake Native App provider wants to grant a consumer access to a secure view within their application. The provider's application package is named and the secure view is named 'sensitive_data_view'. The consumer's account identifier is 'XYZ12345'. Which of the following is the MOST secure and appropriate method to grant this access using Snowflake's Native App Framework?

A. Grant imported privileges on my_app_package to share with account XYZI 2345;
B. Grant USAGE on database containing sensitive_data_view to account XYZI 2345;
C. Grant SELECT on sensitive data view to account XYZ12345;
D. Create a role within the application package, grant SELECT on sensitive_data_view to the role, and create an authorization grant to account XYZ12345 for that role.
E. Create a share and grant SELECT on sensitive_data_view to the share, then grant usage on the share to account XYZI 2345;

Answer: D

Explanation:
The most secure approach is to create a role within the application package specifically for accessing the secure view. By using an authorization grant, you explicitly control which consumer accounts can assume this role and access the view. Granting privileges directly to accounts or using shares is less secure and more difficult to manage in the context of a Native App. IMPORTED PRIVILEGES apply at the package level and are needed for a consumer to access the application, but aren't granular enough for specific objects.

NEW QUESTION # 354
You're building a Streamlit application within a Snowflake Native App that uses the Permissions API (hypothetical) to control access to sensitive dat a. Your security team has mandated that any changes to data access privileges must be audited. How can you effectively log all privilege grant and revoke operations performed via the Permissions API within your Streamlit application running inside Snowflake, assuming you are given the hypothetical 'PermissionsClient' and methods as below?

A. Leverage Snowflake's built-in 'QUERY _ HISTORY' view to track all SQL commands executed by the Streamlit application. Filter for 'GRANT and 'REVOKE statements to identify privilege changes. Replicate to external storage for retention.
B. Rely solely on the Permissions API's built-in audit trails, assuming it automatically logs all operations to a system table accessible only by Snowflake administrators.
C. Implement a custom logging function that captures the API calls and their parameters. Use a try-except block around each API call, logging the details to a separate audit table in Snowflake, and pushing logs to external SIEM tools.
D. Configure Snowflake's event tables for security to track privilege grants and revokes. Create a Streamlit function that fetches and displays these audit events within the application's admin panel. Push data into separate staging area.
E. Use Snowflake's native logging capabilities in the application's setup script, logging directly to the Snowflake event log. However, these logs may require a system administrator to interpret and extract.

Answer: C

Explanation:
Option A is the most comprehensive approach. It provides the most flexibility and control. By implementing a custom logging function, you can capture the specific details of each API call (including parameters), handle exceptions, and store the audit logs in a dedicated table within Snowflake. This table can then be easily queried, reported on, or integrated with external SIEM (Security Information and Event Management) tools for further analysis and alerting. Option B could be part of the solution, but filtering the QUERY_HISTORY table may not capture all details, especially if using stored procedures. It requires parsing SQL text, which can be brittle. Option C could work for some audit events, but you'd still need to create and manage a process to send these events to an audit log. Option D has limited granularity and security. Relying on Snowflake's native logs provides little control. Option E is incorrect; the hypothetical Permissions API doesn't automatically log actions to a user-accessible system table.

NEW QUESTION # 355
A Snowflake Native App developer encounters an issue where the application fails to install on a consumer's account due to insufficient privileges. The developer has verified that the necessary privileges are declared in the application. privileges section of the manifest file. However, the installation still fails. What could be the most likely cause of this issue, and how can it be resolved?

A. The consumer's account does not have the SNOWFLAKE.APP_INSTALLER role enabled. Ensure this role is granted to the appropriate user.
B. The consumer's account is not on the same Snowflake region as the provider account. Verify and align the regions.
C. The consumer account has object level grants conflicting with the required grants. Revoke the object level grants and try again.
D. The privileges were declared in the manifest file, but were not actually granted to the application role in the provider account before creating the version. Grant the declared privileges to the application role using GRANT ON ACCOUNT TO APPLICATION ROLE and create a new version.
E. The privileges declared in the manifest file are not supported by the consumer's Snowflake edition. Review and adjust the required privileges.

Answer: D

Explanation:
Even if the privileges are declared in the manifest file, they must be explicitly granted to the application role in the provider account before a new version is created. The consumer's Snowflake edition might not support all privileges (but the error would be slightly different), SNOWFLAKE.APP INSTALLER role does not exist , regional difference does not matter as such if provider created version after granting the privileges. The application's role in provider account needs required permission using GRANT ON ACCOUNT TO APPLICATION ROLE .

NEW QUESTION # 356
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