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Snowflake NAS-C01 Exam Syllabus Topics:

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

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Snowflake SnowPro Specialty - Native Apps Sample Questions (Q74-Q79):

NEW QUESTION # 74
A data engineering team is developing a Snowflake Native Application that processes sensitive PII dat a. They need to update the application frequently with bug fixes and performance improvements without disrupting user access. Which of the following strategies BEST balances rapid iteration with data security and minimal downtime? Consider that the application uses a secure UDF that needs to be updated in conjunction with other application code.

A. Implement in-place upgrades to the application package every time a bug fix is released, granting UPDATE privileges on the underlying data tables to the application.
B. Use versioning, creating a new version of the application package for each set of changes, and instruct consumers to manually update their application instances to the latest version.
C. Release patches as separate SQL scripts that consumers must manually apply to their installed application instances using the ACCOUNTADMIN role.
D. Completely rebuild the application package for each release, pushing a new application to Snowflake Marketplace, forcing users to uninstall and reinstall. This guarantees a clean state but may cause disruptions.
E. Use versioning, leveraging application roles and grants to control access to specific application versions. Employ automated rollout procedures to progressively expose new versions to consumers using application lifecycle management features.

Answer: E

Explanation:
Versioning with automated rollouts via application lifecycle management is the optimal approach. It provides a structured, secure, and less disruptive method for deploying updates. Application roles and grants allow granular control over access, and automated procedures ensure a smooth transition for consumers, avoiding manual intervention and potential errors. In-place updates and manual patch application expose security risks and increase operational overhead. Rebuilding the application each time is inefficient and impractical.

NEW QUESTION # 75
You are developing a Snowflake Native App that performs complex data transformations and offers different pricing tiers based on usage. You plan to use Snowflake Usage Metering Events to track consumer usage. Which of the following is the MOST appropriate approach to track usage and associate it with the correct pricing tier in your setup script and application code?

A. Create a view on the APP USAGMETERING_HISTORY view to capture usage data. Call 'SYSTEM$METER USAGE from with in the View.
B. Call 'SYSTEM$METER USAGE without specifying an event name. Aggregate usage data based on query history in the consumer account to determine pricing.
C. Call 'SYSTEM$METER USAGE with a fixed event name and quantity for each transformation, regardless of complexity or pricing tier.
D. Call 'SYSTEM$METER USAGE with a dynamic event name that encodes the pricing tier and complexity of the transformation. Store the mapping of event names to pricing in a configuration table within your app.
E. Avoid using 'SYSTEM$METER USAGE altogether and rely on Snowflake's built-in resource monitoring to track usage for billing.

Answer: D

Explanation:
Using a fixed event name (A) doesn't allow for differentiation between pricing tiers. Relying on query history (C) or resource monitoring (D) is not reliable or precise for application-specific usage. Calling 'SYSTEM$METER_USAGE from a view (E) isn't the intended way to track usage. The best approach is to use dynamic event names that reflect the pricing tier and complexity, enabling accurate tracking and billing (B).

NEW QUESTION # 76
A financial services company is developing a Snowflake Native App. It needs to securely access external market data via an API and store the processed results in a consumer-provided table. Considering security best practices and the Snowflake Native App Framework limitations, which of the following approaches represents the MOST secure and recommended implementation for this scenario?

A. Employ a Snowflake external function, configured with a service account, which invokes an API integration stored in the provider account. The external function returns the data, which is then inserted into a consumer-owned table using a stored procedure and INSERT statements, where the application role has been granted the necessary INSERT privilege.
B. Utilize a Java UDF with the 'network access' capability to call the external API directly from within the UDF. Store the processed data directly into a consumer- provided table by using the application role with INSERT privilege granted by consumer.
C. Use a Snowflake external function with an API integration, configured with a service account that has the necessary permissions to access the API. Store the processed data in a consumer-provided table using stored procedures and INSERT statements using the application role.
D. Use a Snowflake external function with an API integration that passes the API key as a parameter. Store the processed data in a consumer-provided table using dynamic SQL.
E. Utilize a Python UDF with the 'external network access' capability to call the external API directly from within the UDF. Store the processed data directly into a consumer-provided table by using the application role. API key is stored in snowflake secret.

Answer: A

Explanation:
Extemal functions with API integrations are recommended for secure external API access. Using a service account for authentication is a best practice. Stored procedures allow for managed access control to consumer-provided tables. It is safer and allows for managed security. Option E combines these best practices for a secure and robust solution.

NEW QUESTION # 77
A Native App provider has created an application package and wants to control the versions of the application available to different consumers. They need to ensure that a specific consumer account, 'CUSTOMER R, only has access to version '1.0' of the application. Which of the following steps are necessary to achieve this?

A. The provider must first create a new version of the application package containing only version 1 .C , and then create an authorization grant for the role to CUSTOMER A that includes version '1.0'
B. Specify the version '1.0' when creating the share object for 'CUSTOMER_A'.
C. No specific steps are required. By default, consumers will automatically receive the latest version of the application.
D. When creating the authorization grant for for the APPLICATION ROLE, specify VERSION = '1.01.
E. Create a new application package specifically for 'CUSTOMER A' and only include version '1.0' in that package.

Answer: D

Explanation:
The correct approach is to specify the VERSION parameter within the CREATE AUTHORIZATION GRANT statement. This allows the provider to control which version of the application a specific consumer is authorized to use. Creating separate packages or shares is not the intended mechanism for version control within the Native App Framework. It's important to grant authorization to application roles.

NEW QUESTION # 78
A data analytics company, 'Data Insights Pro', is developing a Snowflake Native App that visualizes customer behavior dat a. The app needs to read data from a secure customer table provided by the consumer and write aggregate reports back to a separate consumer- owned table for compliance. The customer table contains sensitive PII. Which of the following combinations of application privileges and app capabilities are NECESSARY and SUFFICIENT to achieve this securely, ensuring minimal access is granted?

A. APPLICATION role WITH INSERT privilege on the REPORT TABLE, APPLICATION role WITH SELECT privilege on the CUSTOMER TABLE through a SECURE VIEW, and no additional capabilities.
B. APPLICATION role WITH OWNERSHIP on the REPORT_TABLE, APPLICATION role WITH SELECT privilege on the CUSTOMER_TABLE through a SECURE VIEW, and the 'network access' capability.
C. APPLICATION role WITH OWNERSHIP on the REPORT TABLE, APPLICATION role WITH SELECT privilege on the CUSTOMER TABLE, and the 'external network access' capability.
D. APPLICATION role WITH INSERT privilege on the REPORT TABLE, APPLICATION role WITH SELECT privilege on the CUSTOMER TABLE, and the 'network access' capability.
E. APPLICATION role WITH INSERT privilege on the REPORT_TABLE, APPLICATION role WITH SELECT privilege on the CUSTOMER_TABLE through a SECURE VIEW, and the 'external network access' capability.

Answer: A

Explanation:
The app needs to write to REPORT_TABLE (requires INSERT, not OWNERSHIP as ownership implies broader privileges than required), read from CUSTOMER TABLE (requires SELECT, and using a secure view is the best practice to minimize PII exposure), and does not require network access since everything happens within Snowflake's environment. No external network access is required as no data is transmitted externally.

NEW QUESTION # 79
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