NAS-C01 Exam Collection Pdf, Valid NAS-C01 Exam Pdf

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Snowflake NAS-C01 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Snowflake Native App Framework Overview	20%	- Native application concepts and architecture 1. Manifest files and setup scripts 2. Application packages and structure
Topic 2: Native Application Design and Creation	35%	- Application development workflow 1. Application roles and privileges 2. Building and versioning applications
Topic 3: Installation, Testing and Troubleshooting	20%	- Validation and debugging 1. Logging and event tables 2. Tracing and troubleshooting workflows
Topic 4: Deployment and Marketplace Publishing	25%	- Distribution and lifecycle management 1. Version upgrades and release management 2. Marketplace listings and publishing

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Snowflake SnowPro Specialty - Native Apps Sample Questions (Q366-Q371):

NEW QUESTION # 366
You are developing a Snowflake Native Application package that provides a set of UDFs for data transformation. The UDFs require specific Snowflake privileges to access data in consumer accounts. Which of the following methods can ensure your application has the necessary privileges when installed in a consumer account? (Choose all that apply)

A. Use 'GRANT OWNERSHIP' to grant the APPLICATION role ownership of the target objects in the consumer account.
B. Leverage 'GRANT APPLICATION ROLE ... ON ..: statements in the setup script to grant the APPLICATION role the required privileges.
C. Request the required privileges in the application package manifest file ('manifest.yml'
D. Instruct consumers to manually grant the necessary privileges to the APPLICATION role after installation.
E. Create a separate role in the consumer account and grant the necessary privileges to that role. Have the application assume this role.

Answer: B,C

Explanation:
The application package 'manifest.yml' file is where you declare the resources your application needs and the privileges it requires. The 'GRANT APPLICATION ROLE ON statement, executed during the setup script, is the correct way to grant the APPLICATION role the necessary privileges on objects in the consumer account. Requiring consumers to manually grant privileges is not a scalable or secure solution. 'GRANT OWNERSHIP is generally not necessary or recommended as it gives the application full control over the object. Creating a separate role in the consumer account and having the application assume it is an overly complex solution when 'GRANT APPLICATION ROLE is available.

NEW QUESTION # 367
A Snowflake Native App developer is building an application package that contains multiple versions. They want to ensure that a consumer upgrading from version 1.0 to version 2.0 MUST execute a specific set of SQL scripts as part of the upgrade process to migrate existing application dat a. Which Snowflake Native App feature should they leverage to achieve this?

A. A post-install script defined in the setup script.
B. Application Role-Based Access Control (RBAC)
C. A version change handler defined within the application package.
D. Snowflake Pipes to load and transform the existing data.
E. Snowflake Streams and Tasks to monitor the application version and trigger the migration scripts automatically.

Answer: C

Explanation:
Option C is the correct approach. A version change handler is a dedicated script that runs automatically when a consumer upgrades or downgrades the application. This handler can contain the necessary SQL scripts to migrate data, update schemas, or perform any other actions required during the version transition. Option B executes only during initial installation, not during upgrades. Option A, RBAC, manages permissions but doesn't execute scripts. Option D, Streams and Tasks, could be used, but it's more complex than a version change handler. Option E is used for continuous data loading.

NEW QUESTION # 368
You are developing a Snowflake Native Application and need to implement robust logging for troubleshooting purposes. You want to capture detailed information about function calls, including input parameters and return values. Which of the following approaches offers the MOST comprehensive and secure solution for logging within a Snowflake Native Application, considering the limitations imposed by the Snowflake environment?

A. Using 'SYSTEM$LOG' with debug level logging and capturing logs in a secure internal stage, managed by the provider, ensuring data privacy and limited consumer access.
B. Using ' SYSTEM$LOG' with trace level logging and store the logs into internal stage, accessible only by the application's service user.
C. Leveraging Snowflake's event tables and configuring the application to emit custom events, then creating views on those event tables within the consumer's account.
D. Writing log messages to an external stage (e.g., AWS S3, Azure Blob Storage) that is accessible to both the provider and consumer accounts.
E. Employing 'EXECUTE IMMEDIATE to write log messages directly to a dedicated logging table within the consumer's account.

Answer: A

Explanation:
Option E is the most secure and comprehensive. 'SYSTEM$LOG' allows for structured logging. An internal stage ensures that the consumer does not have direct access to sensitive log data. The provider maintains control, addressing security concerns. Options A and C are less secure, as they might expose sensitive application data. Option D is generally discouraged for sensitive information due to compliance concems, and Option B is problematic because 'EXECUTE IMMEDIATE' inside an application package will be blocked.

NEW QUESTION # 369
You are developing a Snowflake Native App that requires accessing sensitive user data within the consumer's account. To ensure data privacy and security, you need to implement appropriate access controls. Which of the following approaches is the MOST secure and recommended way to grant your app access to this data, assuming the data is stored in a table named 'user_data' ?

A. Defining a secure view that filters the table based on the application role and granting 'SELECT privilege on the secure view to the application role provided by Snowflake Native App Framework.
B. Granting 'USAGE privilege on the 'user_data' table directly to the application role provided by Snowflake Native App Framework.
C. Creating a custom role in the consumer account with 'SELECT privilege on the 'user_data' table and granting that role to the application.
D. Using a stored procedure with 'EXECUTE AS CALLER that accesses the 'user_data' table. Grant 'EXECUTE privilege on the stored procedure to the application role.
E. Granting 'SELECT privilege directly on the 'user_data' table to the application role provided by Snowflake Native App Framework.

Answer: A

Explanation:
The most secure approach is to use a secure view. This allows you to control which rows and columns the application can access. Granting 'SELECT directly to the application role is generally discouraged as it exposes the entire table. Using 'EXECUTE AS CALLER has security implications and might not be desirable. Creating custom roles in the consumer account adds complexity to the application deployment.

NEW QUESTION # 370
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. 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.
B. Configure the 'Availability' section of the listing to specify allowed regions. Upload the EULA as a PDF document within the 'Documentation' section.
C. 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.
D. 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.
E. 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.

Answer: D

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 # 371
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