Snowflake NAS-C01 test insides dumps : SnowPro Specialty - Native Apps

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Snowflake NAS-C01 Exam Syllabus Topics:

Snowflake SnowPro Specialty - Native Apps Sample Questions:

1. You are developing a Snowflake Native Application that relies on external functions (UDFs or external functions using API integration) to enrich dat a. After installing the application in a customer's account, you observe that the external functions are failing intermittently. The error messages indicate network connectivity issues. Which of the following troubleshooting steps would be MOST effective in diagnosing and resolving this problem from the provider's perspective, assuming you cannot directly access the customer's network configuration?

A) Instruct the customer to check their network firewall rules to ensure that outbound traffic to your API endpoint is allowed. Provide them with a list of IP addresses for your service.
B) Migrate the external functions to use Snowflake's Snowpark Container Services to ensure they run within the Snowflake environment and bypass any network restrictions.
C) Create a separate Snowflake Native App that only tests network connectivity to the external API endpoint. Ask the consumer to install and run the application, and provide you with the results.
D) Implement retry logic within the external function calls with exponential backoff. Log all failed attempts, including timestamps and error messages, within your provider's environment, for later analysis. Provide the customer with aggregated success/failure metrics from your logs.
E) Monitor the external functions calls from system $ table and analyze the latency and error codes.

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

E) 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.

3. You are developing a Snowflake Native Application that requires robust role-based access control. The application provides data transformation services to consumer accounts. You want to define distinct roles for different levels of access: 'TRANSFORMER_ADMIW (full control), 'TRANSFORMER USER (execute transformations), and 'TRANSFORMER OBSERVER (read-only access to metadata). In the setup script, which SQL statements are the MOST secure and efficient way to achieve this while adhering to Snowflake's recommended practices for application roles?

A)

B)

C)

D)

E)

4. You have listed a Snowflake Native Application on the Marketplace. Several customers have installed your application and are actively using it. You discover a critical bug that requires an immediate fix. What is the MOST effective approach to deploy this fix to all existing installations of your application with minimal disruption to the consumers?

A) Unlist the current application version from the Marketplace and relist the new, corrected version. This will force consumers to reinstall the application.
B) Create a new version of the application package with the fix. Consumers will be notified of the available update and can choose when to upgrade.
C) Create a new version of the application package with the fix. Then send a notification to all consumers with instructions on how to manually upgrade their applications to the new version.
D) Use the 'ALTER APPLICATION ... UPGRADE' command in the provider account to forcibly upgrade all consumer installations to the latest version.
E) Update the listing on the Marketplace with the corrected version of the application. Snowflake will automatically push the update to all consumers during their next maintenance window.

5. You are developing a Snowflake Native App that needs to access a secured external API to enrich customer dat a. The API requires an OAuth 2.0 token stored securely. Which of the following approaches would you use within the application manifest and Snowflake objects to securely store and access this token, minimizing exposure and adhering to best practices?

A) Store the OAuth 2.0 token directly in the application's manifest file as a PARAMETER. This simplifies access within the application code.
B) Store the OAuth 2.0 token as a cleartext secret in a Snowflake stage and access it using external functions.

C) Store the OAuth 2.0 token as a masked comment within the application's SQL code. This will provide sufficient obfuscation.
D) Use Snowflake's SECRET object type to securely store the OAuth 2.0 token. Reference the SECRET object within the application using PARAMETERS in the manifest and utilize function in application code to retrieve it at runtime.
E) Hardcode the OAuth 2.0 token within the application's stored procedures. This ensures the token is readily available.

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