100% Pass 2026 Professional Snowflake NAS-C01: SnowPro Specialty - Native Apps Valid Exam Sims

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Snowflake NAS-C01 Exam Syllabus Topics:

Section	Weight	Objectives
Snowflake Native Applications Installation and Testing	20%	- Install and test native applications 1. Validate application functionality and performance
Snowflake Native Applications Deployment	25%	- Build, version, and release native applications 1. Use Snowflake's marketplace 2. Use data sharing for app interoperability
Snowflake Native Applications Design and Creation	35%	- Create and manage billing events and cost monitoring techniques 1. Formulate Snowflake native application workflows and procedures - Apply Snowflake best practices while building native application workloads 1. Design scalable applications 2. Build, distribute, and monetize apps in Snowflake
Snowflake Native App Framework Overview	20%	- Understand Snowflake architecture, features, tools, and best practices 1. Cloud-based computing and storage concepts 2. Data sharing and protection mechanisms 3. Account security and access management

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Snowflake SnowPro Specialty - Native Apps Sample Questions (Q17-Q22):

NEW QUESTION # 17
You are developing a Snowflake Native Application that requires fine-grained control over data access for its users. You plan to use Streamlit within the application and leverage the Permissions API to manage these privileges. Assume you have successfully established a connection to Snowflake within your Streamlit app. Which of the following code snippets accurately demonstrate how to grant the 'SELECT privilege on a table named 'APP DATA in the application's schema to a specific role, 'APP USER, using the Permissions API, and then verify if that privilege has been granted?

Answer: B

Explanation:
Option E is correct because it accurately grants the SELECT privilege and then uses the 'SHOW GRANTS TO ROLE' command to verify the privilege. It also includes a check to ensure the schema, table, and privilege all match the expected values, handling upper/lower case variations. Option A is similar, but has inconsistent index access in the SHOW GRANT results, and its check might be too strict by requiring the role to match. Option B incorrectly accesses the results of SHOW GRANTS, checking the wrong indices. Option C mentions a hypothetical PermissionsClient which is NOT available in Snowflake. The Permissions API does not have 'grant_select' or 'check_privilege' methods like that. Option D uses INFORMATION_SCHEMA which is less reliable in the context of Snowflake Native Applications. The table name case-sensitivity matters with INFORMATION SCHEMA. The Information Schema is dependent on the privileges of the session role.

NEW QUESTION # 18
You are managing the release of a new version (v2.0) of your Snowflake Native Application that introduces significant schema changes to shared tables accessed by consumer accounts. To minimize disruption during the upgrade, you want to implement a phased rollout while ensuring backward compatibility for consumers who haven't yet upgraded. Which of the following strategies would allow you to achieve this goal effectively? (Select TWO)

A. Create separate versions of the shared tables for vl .0 and v2.0, using views to present a unified interface. Grant consumer 'USAGE on view after upgrading.
B. Create views on top of the new schema in v2.0 that emulate the old schema from vl .0. Grant consumers 'USAGE' on these views until they upgrade.
C. Publish v2.0 without any schema changes and rely on consumers to manually migrate their data to new tables after upgrading.
D. Use dynamic SQL within stored procedures to conditionally access either the old or new schema based on the consumer's account ID, identified through a custom configuration table.
E. Implement API versioning within your application code and provide compatibility layers to handle requests from consumers running older versions.

Answer: B,E

Explanation:
Options A and D are both viable strategies. Creating views on top of the new schema that emulate the old schema provides backward compatibility by maintaining the expected data structure for consumers who have not yet upgraded. Implementing API versioning within the application code allows you to handle requests from consumers running older versions, ensuring that their existing integrations continue to function. Option B introduces unnecessary complexity and performance overhead with dynamic SQL. Option C relies on manual data migration by consumers, which is prone to errors and delays. Option E doubles the storage requirements by creating separate table copies.

NEW QUESTION # 19
Consider the following setup script snippet for a Snowflake Native Application:

What is the primary purpose of the 'WHERE NOT EXISTS' clause in the 'INSERT' statement within this setup script?

A. To guarantee that the 'app_data.configuration' table always contains the latest version of the 'api_endpoint' parameter, overwriting any existing value.
B. To handle potential errors that may occur if the 'api_endpoint' parameter is already defined in the consumer's account.
C. To ensure that the 'INSERT statement only executes if the table is empty.
D. To optimize the performance of the 'INSERT statement by avoiding unnecessary insertions when the configuration parameter already exists.
E. To prevent duplicate rows with the same 'param_name' from being inserted into the 'app_data.configuration' table during subsequent installations or upgrades of the application.

Answer: E

Explanation:
Option B is correct. The 'WHERE NOT EXISTS clause prevents duplicate entries for the 'api_endpoint' parameter. The setup script might run multiple times during application installations or upgrades, and without this clause, it would insert duplicate rows. Option A is incorrect, as the clause doesn't check if the entire table is empty. Option C is true to some extent, performance is one of the reasons but not the primary reason. Option D, The consumer account has no role to play here. Option E is wrong because it will do opposite as intended.

NEW QUESTION # 20
A Snowflake Native App provider wants to ensure that even future roles created in their provider account will NOT automatically have access to the application database , which was created without the "MANAGED ACCESS' property initially. After creating a security audit suggested it to be with managed access. Which of the following steps BEST secures the app database?
Note multiple options may be needed

A. REVOKE ALL PRIVILEGES ON DATABASE FROM PUBLIC;
B. DROP DATABASE CREATE DATABASE WITH MANAGED ACCESS;
C. REVOKE USAGE ON DATABASE FROM ROLE PUBLIC;
D. GRANT OWNERSHIP ON DATABASE TO ROLE application_role;
E. ALTER DATABASE SET MANAGED ACCESS = TRUE;

Answer: A,D,E

Explanation:
The most effective method is to use 'ALTER DATABASE SET MANAGED_ACCESS = TRUE;' to enable managed access. This ensures that privileges are managed at the database level. Revoking all privileges from PUBLIC removes default access granted to all roles (including future roles). By revoking default public access and using managed access together, one ensures greater security. Option A works, but dropping and recreating is impactful. Option D, is similar to C however doesn't handle future role. Granting ownership to a specific role ensures better control.

NEW QUESTION # 21
You are preparing to list your Snowflake Native Application on the Snowflake Marketplace. You want to restrict its availability to specific Snowflake regions and also require consumers to agree to a custom End User License Agreement (EULA) before installation. Which steps are essential during the listing creation process to achieve this?

A. During listing creation, select the 'Custom EULA' option and provide the EULA text directly within the designated field. Configure the 'Availability' section to specify the allowed regions.
B. Regions are inherently globally available so it cannot be restricted. Include the EULA within the code of the application, forcing the user to acknowledge it through the code.
C. Use the Snowflake CLI to programmatically set the allowed regions using the 'snowflake marketplace application update' command. Include a link to an external website hosting the EULA in the listing description.
D. Specify the allowed regions in the 'Availability' section of the listing. Upload a text file containing the EULA and mark it as 'Required Agreement' in the listing settings.
E. Configure the 'Availability' section of the listing to specify allowed regions. Upload the EULA as a PDF document within the 'Documentation' section.

Answer: A

Explanation:
Option D is the correct answer. The Snowflake Marketplace provides specific fields to enter a custom EULA directly. Also the availability of the application can be restricted based on Snowflake regions. Options A, B, and C provide partially correct steps, but do not cover the complete solution. A PDF or link doesn't guarantee agreement. Option E has a false statment that regions cannot be restricted.

NEW QUESTION # 22
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