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Snowflake NAS-C01 Exam Syllabus Topics:

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

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The PrepPDF is one of the top-rated and renowned platforms that has been offering real and valid SnowPro Specialty - Native Apps (NAS-C01) exam practice test questions for many years. During this long time period countless SnowPro Specialty - Native Apps (NAS-C01) exam candidates have passed their dream certification and they are now certified Snowflake professionals and pursuing a rewarding career in the market.

Snowflake SnowPro Specialty - Native Apps Sample Questions (Q376-Q381):

NEW QUESTION # 376
You are developing a Snowflake Native Application that leverages Snowflake Event Tables to log application events. You notice that while the application is successfully writing events to the event table, consumers are reporting that they cannot query the event table. Assume that you have successfully implemented the logging mechanism in your code and data is being logged. Consider the following manifest section:

Which of the following steps is MOST critical to resolve this issue and ensure consumers can query the event table?

A. Verify that the application role defined in the application manifest has been granted the 'SELECT privilege on the event table within the provider account.
B. Grant the 'APPLY MASKING POLICY privilege to the application role on the event table to enable consumers to see masked data, and the REFERENCE_USAGE privilege on the database and schema that contains the event table.
C. Ensure that the consumer account has the 'MONITOR privilege on the application, as this is required to query event tables associated with native applications.
D. The correct approach is not listed, as consumers cannot directly query event tables associated with Snowflake Native Applications for security reasons.
E. Confirm that the event table is explicitly listed in the 'shared_objects' section of the application manifest with the correct 'object_name', 'source_type' set to event_table', and 'privileges' including 'SELECT'.

Answer: E

Explanation:
The most critical step is to ensure that the event table is correctly configured in the application manifest under the 'shared_objectS section, with the 'source_type' defined as 'event_table' and the 'privileges' including ' SELECT. This explicitly tells Snowflake that the event table is intended to be shared with consumers and that they should have the 'SELECT privilege on it. Without this, consumers will not be able to query the event table, regardless of other privileges. Other options are either not relevant or do not address the root cause of the problem. Option A, option B and option D are all wrong, as they are not related to the root cause of the problem. Option E, is correct as it ensures masking policy is not a problem. The privileges are not relevant in this case.

NEW QUESTION # 377
A Snowflake Native Application relies on a warehouse named 'ANALYTICS WH' for processing dat a. The application provider wants to implement a cost-effective strategy for managing the warehouse, ensuring it's only active when needed. Which of the following combinations of warehouse parameters will lead to the most efficient cost management?

Answer: A

Explanation:
The most cost-effective strategy involves using a smaller warehouse size ('XSMALL') and setting 'AUTO SUSPEND to a low value (60 seconds) to minimize idle time. 'AUTO_RESUME = TRUE ensures the warehouse starts automatically when queries are submitted. Option A uses a large warehouse size, which is more expensive. Option B has 'AUTO RESUME = FALSE, meaning the warehouse won't automatically start when needed. Option C uses a medium warehouse size, which is more expensive than XSMALL. Option E uses a Large warehouse and never suspends, resulting in very high cost.

NEW QUESTION # 378
You are developing a Snowflake Native Application that processes sensitive dat a. During the application lifecycle management, including version updates, what steps should you take to ensure the data security and privacy of the consumers' data, especially considering that your development team might need access to a subset of the data for testing?

A. Implement data masking and anonymization techniques to create a sanitized test dataset derived from the consumer's data. Provide the development team with access only to the masked data, via data sharing from the producer to consumer account.
B. Grant the development team direct access to the consumer's data warehouse to facilitate testing. Ensure proper auditing is enabled.
C. Utilize Snowflake's external functions to process the data in a secure enclave outside of Snowflake, minimizing the risk of data exposure. Ensure external functions called are encrypted.
D. Use Snowflake's data classification features to identify sensitive data and implement row-level security to restrict access to the development team.
E. Create a separate Snowflake account for testing and populate it with synthetic data that mimics the structure and characteristics of the consumer's data.

Answer: A,E

Explanation:
The best answers are (B) and (D). Providing direct access to consumer data (A) is a major security risk. Option (B) utilizes masking/anonymization, crucial for protecting sensitive data. Data is shared from Producer account to Consumer accounts with masking policies applied for developers testing/access. Option (D) with synthetic data offers a secure testing environment. While data classification (C) and row-level security are useful, they aren't sufficient to protect data during development and testing, as developers could still potentially access sensitive data. External functions (E) could be used in conjunction with options B or D, but aren't a standalone solution.

NEW QUESTION # 379
You are developing a Snowflake Native Application that interacts with a user-provided data source. The application needs to validate that the user has granted the necessary permissions on their dat a. The application package contains the following setup script:

Which of the following approaches is the MOST secure and reliable way to check for SELECT privileges within the procedure?

A. Use 'SHOW GRANTS TO ROLE app_role' and parse the output to see if SELECT privilege on 'user_schema.user_table' exists.
B. Use function with appropriate parameters to directly check if the 'app_role' has SELECT privilege on 'user schema.user table'.
C. Query the 'INFORMATION SCHEMA.TABLE PRIVILEGES' view to check if 'app_role' has SELECT privilege on 'user_schema.user_table'.
D. Assume SELECT privileges are granted as part of the application installation process without explicit validation.
E. Attempt a 'SELECT COUNT( ) FROM within a "TRY...CATCH' block and infer permissions based on the error message.

Answer: B

Explanation:
'SYSTEM$PRIVILEGE_CHECK' is the recommended and most secure method. It directly checks for the existence of a specified privilege for a role on an object. Parsing the output of 'SHOW GRANTS' is less reliable and prone to errors. 'TRY...CATCH' is inefficient and relies on error message parsing, which is discouraged. provides metadata but not a definitive check in the context of the application role having the necessary grants made by the consumer. Assuming privileges are granted is a security risk.

NEW QUESTION # 380
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. In your manifest file ('manifest.yml'), declare a 'privileges' section specifying 'SELECT' privilege on 'consumer_db.consumer_schema.consumer_data' for the app_role' .
B. 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.
C. 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.
D. 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.
E. 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.

Answer: A,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 # 381
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