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Snowflake NAS-C01 Exam Syllabus Topics:

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

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Snowflake SnowPro Specialty - Native Apps Sample Questions (Q201-Q206):

NEW QUESTION # 201
You are the provider of a Snowflake Native Application. After releasing version '1.0' of your application, a security vulnerability is discovered. You quickly develop a fix in version '1.1 What steps should you take to ensure that all consumer accounts are promptly and securely upgraded to the fixed version, minimizing disruption to their operations and ensuring their data security?

A. Grant 'USAGE' privilege to all consumer accounts on version '1.1 Monitor consumer adoption of the newer version, and after a reasonable period, revoke 'USAGE on version '1.0'. Communicating the importance of upgrading.
B. Immediately revoke 'USAGE privileges on version '1 .C for all consumer accounts, forcing them to contact you for an upgrade to '1.1'. Provide upgrade instructions in the application's documentation.
C. Contact Snowflake Support to request a forced upgrade of all consumer accounts to version ' 1.1 due to the security vulnerability.
D. Use the 'ALTER APPLICATION PACKAGE ... SET DEFAULT VERSION = '1.1" command. This will automatically upgrade all existing installations to the new version during their next scheduled refresh.
E. Announce the security vulnerability and the availability of version '1.1 through the Snowflake Marketplace. Rely on consumer accounts to self-upgrade based on their awareness and urgency.

Answer: A

Explanation:
Option E is the best approach. Granting USAGE privilege to the new version allows consumers to seamlessly transition. After monitoring and a communication period, revoking USAGE on the old version ensures complete adoption without abruptly disrupting operations. Option A is too disruptive. Option B relies on consumer awareness which is unreliable. Option C affects only the new installations. Option D is not a standard procedure and unlikely to be supported by Snowflake in most scenarios.

NEW QUESTION # 202
You're designing a Snowflake Native Application that leverages Snowpark Container Services (SPCS) and you are creating a CI/CD pipeline for deploying your application to multiple Snowflake regions. As part of the pipeline, you want to automate the creation of a Compute Pool. Which of the following approaches represents the MOST robust and repeatable method for creating the Compute Pool across all regions, considering factors like consistency and potential differences in available instance families?

A. Manually create the Compute Pool in each region using the Snowflake web interface, ensuring the parameters are identical across all instances.
B. Create a Compute Pool in one region and then clone it to all other regions using the 'CREATE CLONE syntax.
C. Use a Snowflake Script (SnowSQL) to create the Compute Pool, retrieving the available instance families dynamically using 'SYSTEM$GET_CP POLICY' and selecting the appropriate instance family based on regional availability. Store common configurations in environment variables.
D. Use a Snowflake Script (SnowSQL) to create the Compute Pool, hardcoding the instance family and other parameters directly into the script.
E. Compute Pools created are global objects, so the pool automatically exists across all regions.

Answer: C

Explanation:
Using a Snowflake Script that dynamically retrieves available instance families ensures consistency and adaptability across different regions. Hardcoding parameters might lead to failures if a specific instance family is unavailable in a region. Cloning is not applicable for Compute Pools. Compute Pools are not global objects and are region specific. The function is key for programmatically determining available instance families for a specific region, enabling robust CI/CD pipelines. This handles regional variations in available resources gracefully.

NEW QUESTION # 203
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 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.
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 DATA has row access policies applied that restrict access based on the consumer's user attributes. Verify the policies and adjust them if necessary.
E. 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.

Answer: B,C,D

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 # 204
A company publishes a Snowflake Native Application on the Snowflake Marketplace providing aggregated sales dat a. They want to ensure data is fresh and updated daily at 00:00 UTC. They are considering several approaches to automate this data refresh process.
Which of the following methods are MOST effective and SECURE for scheduling and executing this daily data update within the Snowflake Native Application environment? Choose two.

A. Leverage Snowflake's Data Marketplace update scheduling feature (if available and applicable to their type of listing) to automatically refresh the data.
B. Schedule a Python script using an external task service (e.g., AWS Lambda) that connects to Snowflake and executes the data refresh procedure.
C. Use Snowflake Tasks scheduled to run daily at 00:00 UTC to execute a stored procedure within the Native Application that updates the data.
D. Implement a Java-based scheduler within the Snowflake Native Application itself using UDFs, triggered by an external service via API integration.
E. Utilize a cron job on a virtual machine to execute a SQL script via SnowSQL, connecting to Snowflake and refreshing the data.

Answer: A,C

Explanation:
Snowflake Tasks provide a secure and managed way to schedule tasks within the Snowflake environment. Leveraging Data Marketplace update scheduling (if available) is the most direct and efficient method. External task services and cron jobs introduce external dependencies and security concerns, and Java schedulers within UDFs are less common and can be complex to manage.

NEW QUESTION # 205
You are developing a Snowflake Native Application that utilizes Streamlit for its user interface. The application needs to access data from a protected table within the provider account. To enhance security, you want to grant specific privileges to the Streamlit application without exposing the underlying table directly. Which of the following steps are necessary to achieve this, ensuring the principle of least privilege?

A. Use an external function (UDF) owned by the application to query the protected table and grant USAGE' privilege on the UDF to the Streamlit application's role.
B. Create an API integration, implement a service (e.g., AWS Lambda) that queries the data and grant 'USAGE on the API Integration and appropriate permissions on the service to the Streamlit application's role.
C. Create a stored procedure with 'EXECUTE AS CALLER which queries the protected table and grant 'USAGE privilege on the procedure to the Streamlit application's role.
D. Create a secure view on the protected table and grant 'SELECT privilege on the secure view to the Streamlit application's role.
E. Grant 'SELECT privilege directly on the protected table to the Streamlit application's role.

Answer: A,C,D

Explanation:
Granting 'SELECT directly to the Streamlit appos role is against the principle of least privilege (A). Using a secure view (B), a UDF (C) or stored procedure (E) allows you to control precisely what data is exposed and under what conditions. API Integration will work. The service function (Lambda, etc) would then require permissions to query Snowflake. EXECUTE AS CALLER allows the procedure to run with the rights of the caller.

NEW QUESTION # 206
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Snowflake NAS-C01 Exam Syllabus Topics:

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Snowflake SnowPro Specialty - Native Apps Sample Questions (Q201-Q206):