Exam Dumps Snowflake NAS-C01 Collection & NAS-C01 Guaranteed Questions Answers

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Snowflake NAS-C01 Exam Syllabus Topics:

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

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Snowflake SnowPro Specialty - Native Apps Sample Questions (Q273-Q278):

NEW QUESTION # 273
A Native Application provider is developing an application that relies on data residing in a shared database, 'EXTERNAL DATA'. They want to ensure that their application role 'app_role' only has access to specific tables and views within 'EXTERNAL DATA', and they also want to minimize the need for future privilege grants as new tables are added to 'EXTERNAL DATA. Which combination of SQL statements below achieves these goals with the principle of least privilege in mind? Assume all tables are in the PUBLIC schema.

Answer: D

Explanation:
The correct answer is C. First, IMPORTED PRIVILEGES is required so that the Native App can see the database. Next, GRANT SELECT ON FUTURE TABLES IN SCHEMA EXTERNAL DATA.PUBLIC limits the scope of future grants only to the PUBLIC schema. The other options do not provide future grants scoped to the Public schema, or they grant ALL access. Options B and D require that the database USAGE privilege be explicitly granted in addition to IMPORTED PRIVILEGES, which are granted automatically when a database is shared. Option E is incorrect because 'ALL TABLES does not cover tables that will be created in the future.

NEW QUESTION # 274
You are developing a Snowflake Native Application that uses a custom Python handler to perform data transformations. This handler requires access to a third-party Python package not included in the standard Anaconda environment provided by Snowflake. To ensure the application functions correctly on consumer accounts, what steps must you take? (Select all that apply)

A. Specify the Python package as a dependency in the application's setup script using a install command.
B. Create a stage and upload the python package(s). Then in the Python UDF code, reference the python package from the stage.
C. Include the required Python package in the application package as a zip file using the 'CREATE or REPLACE FUNCTION' command with the 'imports' clause.
D. Use the SALTER FUNCTION' command after installation on the consumer's account to add the required Python package to the function definition. This option is not possible.
E. Instruct consumers to manually install the necessary Python package using 'pip install' in a Snowflake Snowpark Python worksheet after installing the application.

Answer: B,C

Explanation:
Snowflake Native Applications cannot rely on consumers manually installing dependencies or executing arbitrary shell commands for security reasons. Including the Python package as a zip file via the 'imports' clause within the 'CREATE or REPLACE FUNCTION' command ensures that the dependency is automatically available when the Python handler is executed within the application environment on the consumer's account. Option C is not a valid command and not permissible in Snowflake. Also, consumers cannot use alter after the installation, Hence it will not work. A and D are the correct choices.

NEW QUESTION # 275
You are developing a Snowflake Native Application that processes sensitive customer dat a. The application needs to comply with data residency requirements in both the EU (Frankfurt) and the US (Virginia). You have decided to use Snowflake's multi-region capabilities for failover and regulatory compliance. You plan to install the application in both regions. What considerations are MOST critical when designing your application's installation process to ensure data locality and business continuity?

A. Implement a custom error handling mechanism within the application to automatically retry failed operations in the other region in case of a regional outage.
B. Ensure the application package contains region-specific configuration files for each region, allowing the application to connect to the correct regional data stores.
C. Use Snowflake's replication features to replicate the application package and its associated data products between the regions.
D. Configure Snowflake's cross-cloud auto-failover capabilities to automatically switch to the secondary region in case of a primary region failure. This requires Enterprise Edition or higher.
E. Prioritize replicating application code over replicating application data products, as the code is more critical for application functionality.

Answer: B,C

Explanation:
Options A and C are the most critical. Option A ensures the application can connect to the correct data stores in each region, respecting data locality. Option C leverages Snowflake's replication features to ensure both the application code and the data products it relies on are available in both regions for business continuity. B is something good to have but its not the MOST critical, D is also good but it is not the installation process , E is wrong since the code should be first priority for replication

NEW QUESTION # 276
You are preparing to list your Snowflake Native Application on the Snowflake Marketplace. Before submitting the application for approval, which of the following checks are essential to perform to ensure a smooth review process and avoid potential rejections by Snowflake?

A. Verify that the application package contains a valid 'setup.sqr file with the necessary SQL statements to initialize the application environment in the consumer account.
B. Make sure every SQL role and all privileges are explicitly granted and listed in setup.sql.
C. Document all external dependencies of the application in the listing description, including any required Snowflake features or limitations.
D. Thoroughly test the application in various Snowflake regions to ensure compatibility and proper functionality across different environments.
E. Ensure the application uses only standard Snowflake features available to all accounts, avoiding any preview or unsupported functionalities.

Answer: A,C,D,E

Explanation:
All the above checks are essential. A valid 'setup.sqr is needed to initialize the application. Using only standard features is crucial for compatibility. Documenting dependencies helps consumers understand the requirements. Regional testing ensures the application works correctly everywhere. Proper authorization is key for security, but that is not just in 'setup.sql'.

NEW QUESTION # 277
A Snowflake Native App aims to provide data masking as a service. The app needs to access customer data, apply masking policies based on app-managed configuration, and store the masked data either in the customer's account or in the app's managed account based on customer preference. Which of the following steps and considerations are CRUCIAL for designing this application, focusing on security and privilege management? (Select all that apply)

A. Use secure views to access the customer's data, ensuring that the app only sees the data it is authorized to access based on requested READ privileges.
B. Ensure the application uses the SNOWFLAKE.CORE.INVOKE FUNCTION to call data masking policies with the consumer's data.
C. Request the OWNERSHIP privilege on the customer's tables to ensure full control over data masking.
D. Implement the data masking logic within stored procedures that execute with the CALLERS RIGHTS to leverage the customer's existing masking policies.
E. Use stored procedures that execute with DEFINER'S RIGHTS and request necessary READ privileges on the customer's database and tables.

Answer: A,E

Explanation:
The correct answers are C and E. Requesting OWNERSHIP (A) is excessive and poses a security risk. Using CALLER'S RIGHTS (B) would mean the app's functionality relies on the installing user's privileges and won't work if they don't have sufficient access. The INVOKE_FUNCTION is not needed. Using DEFINER'S RIGHTS (E) allows the app to execute with its own defined privileges, ensuring consistent behavior regardless of the installing user. Secure views (C) limit the app's access to only the authorized data, enhancing security.

NEW QUESTION # 278
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