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Snowflake NAS-C01 Exam Syllabus Topics:

Section	Weight	Objectives
Installation, Testing and Troubleshooting	20%	- Validation and debugging 1. Logging and event tables 2. Tracing and troubleshooting workflows
Deployment and Marketplace Publishing	25%	- Distribution and lifecycle management 1. Version upgrades and release management 2. Marketplace listings and publishing
Native Application Design and Creation	35%	- Application development workflow 1. Building and versioning applications 2. Application roles and privileges
Snowflake Native App Framework Overview	20%	- Native application concepts and architecture 1. Manifest files and setup scripts 2. Application packages and structure

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Snowflake SnowPro Specialty - Native Apps Sample Questions (Q135-Q140):

NEW QUESTION # 135
A software company, 'Data Insights Corp', develops a Snowflake Native App. They want to grant users the ability to view limited metadata information about the app's installation without granting them extensive privileges over the app's data or functionality. Which of the following options BEST represent the correct approach for granting Viewer privileges in a Snowflake Native App context to a consumer account user?

A. Grant the USAGE privilege on the application package to the user role.
B. Grant the 'APPLY APPLICATION' privilege on the application package to the user role.
C. Grant the 'IMPORTED PRIVILEGES privilege on the application package to the user role.
D. Grant the 'SELECT' privilege on all tables within the application instance to the user role.
E. Create a custom role in the consumer account and grant the 'MONITOR EXECUTION' privilege on the application instance to that role, then grant that role to the user.

Answer: E

Explanation:
The correct answer is D. The 'MONITOR EXECUTION' privilege on the application instance, granted to a custom role (and then to the user), allows users to view execution-related metadata without granting broader data access. Granting 'USAGE, 'APPLY APPLICATION' , or 'IMPORTED PRIVILEGES on the application package are not directly related to providing viewer access to a running application instance. Granting 'SELECT provides direct data access, which is broader than viewer privileges.

NEW QUESTION # 136
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. Utilize Snowflake's secure UDFs with invoker's rights to perform data transformations and access control based on the user's role.
B. Implement data masking policies to redact sensitive information before it's accessed by the application.
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. Grant the application role the 'OWNERSHIP' privilege on all tables containing customer data.
E. Store sensitive customer data directly within the application package to avoid external access.

Answer: A,B,C

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 # 137
A Snowflake Native App provider wants to implement row-level security (RLS) in an event table to ensure that consumers only receive events pertaining to their specific organization, even if they have been granted USAGE on the event table function. How can this be achieved?

A. Row-level security cannot be enforced on event tables shared through Snowflake Native Apps due to security limitations.
B. Create a row access policy that filters rows in the event table based on the APP_INSTANCE_ID() function, ensuring each consumer only sees events related to their application instance.
C. Create a view on top of the event table that includes a WHERE clause filtering by APP INSTANCE ID() and grant access to the view instead of the base table.
D. Create a masking policy that filters rows in the event table based on the CURRENT_ACCOUNT() function to match the consumer's account ID.
E. Implement a custom stored procedure that acts as a proxy for accessing the event table, filtering data based on the consumer's user ID.

Answer: B

Explanation:
B is the most appropriate answer. Row access policies can leverage APP_INSTANCE_ID() within the Snowflake Native App environment to filter data based on the application instance, achieving the desired row-level security. A is incorrect because CURRENT_ACCOUNT() would not distinguish between different application instances within the same account. C is incorrect as it is more complex than using row access policy directly and more difficult to maintain. D is similar to B but less secure than the row access policy. E is incorrect, RLS can be enforced.

NEW QUESTION # 138
You are tasked with automating the creation of Snowflake Marketplace listings for several Native Applications. The application metadata, pricing tiers, and listing descriptions are stored in a JSON file. Which Snowflake feature(s) or approach would best facilitate the automated creation and management of these listings?

A. Leverage Snowflake's REST API (if available) to programmatically create and manage listings based on the JSON data. Utilize 'SYSTEM$COREATE_PARKETPLACE_LISTING' function.
B. Directly upload the JSON file to a Snowflake stage and use a stored procedure to parse the JSON and create listings using SQL commands.
C. Use the Snowflake CLI (if available) along with a scripting language like Bash to automate the listing creation process.
D. Utilize the Snowflake UI's 'Create Listing' wizard, manually entering the data for each application from the JSON file.
E. Develop a custom Python script that uses the Snowflake Connector for Python to execute SQL commands to create and configure listings by parsing data from the JSON file.

Answer: A,E

Explanation:
Automating Marketplace listing creation requires a programmatic approach. Manually entering data (A) is not suitable for automation. Directly uploading the JSON and parsing it with a stored procedure (E) is feasible but less efficient and scalable than options using dedicated APIs or connectors. The most suitable options are B and C. A Python script with the Snowflake Connector (B) allows for flexible and robust automation, enabling complex logic and error handling. Leveraging the Snowflake REST API (C) also provides a programmatic interface specifically designed for managing Snowflake resources (if such an API and specific function SYSTEM$CREATE MARKETPLACE LISTING exists). While a CLI (D) could be used, it is usually less feature-rich than the REST API or Connector for complex tasks.

NEW QUESTION # 139
You are developing the setup script for a Snowflake Native Application. The application requires a specific Snowflake Edition (e.g., Enterprise) to function correctly due to certain feature dependencies. How can you ensure that the installation fails gracefully and provides a clear error message if the consumer's account does NOT meet the required edition?

A. Attempt to create objects that are specific to the required Snowflake Edition within the setup script. If the creation fails due to edition limitations, the installation will automatically fail.
B. The Snowflake Marketplace automatically checks for edition compatibility before allowing installation of a Native Application. No explicit checks are needed in the setup script.
C. Include a comment in the setup script indicating the required Snowflake Edition. Rely on the consumer to manually verify their edition before installation.
D. Use a configuration file included in the application package to specify the required Snowflake Edition. The setup script reads this file and displays an error message if the edition is not compatible.
E. Use the 'SYSTEM$GET SNOWFLAKE EDITION()' function within the setup script and raise an exception using 'RAISE' if the edition is not compatible. Provide a descriptive error message.

Answer: E

Explanation:
Option A is the most reliable and user-friendly approach. allows you to programmatically determine the Snowflake Edition. Using provides a controlled and informative error message, ensuring a graceful failure. Option B is unreliable as it depends on the consumer's diligence. Option C might work, but it's less predictable and provides a less specific error message. Option D is incorrect; the Marketplace does not currently handle edition compatibility checks automatically. Option E adds unnecessary complexity with an external configuration file; the check can be performed directly within the setup script.

NEW QUESTION # 140
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