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Snowflake NAS-C01 Exam Syllabus Topics:

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

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Snowflake SnowPro Specialty - Native Apps Sample Questions (Q206-Q211):

NEW QUESTION # 206
You are designing a setup script for a Snowflake Native Application. This script needs to perform the following actions: 1. Create a secure view that exposes a subset of data from a table owned by the provider account. 2. Grant 'SELECT privilege on this secure view to a specific role within the consumer account, but ONLY if that role already exists in the consumer account. 3. Create a UDF in the provider account which calls external function. This UDF needs access to a secret stored in a Snowflake secret object. Which of the following code snippets BEST implements these requirements, ensuring both security and proper privilege management?

Answer: C

Explanation:
Option B correctly implements all requirements. It uses a 'BEGIN...ENDS block with an statement to check for the existence of the 'consumer_role' before granting the privilege. This prevents errors if the role doesn't exist. Also it creates a UDF which utilizes Snowflake Secret object to fetch secretes. Using Javascript code inside UDF directly to fetch secrets is not allowed. Options A, C and D do not check for role existence and doesn't configure Snowflake secret object

NEW QUESTION # 207
A Snowflake Native Application provider is deploying their application in multiple regions (AWS US-East-l and AWS EU-Central-l). The application relies on external functions that interact with a third-party API. The provider wants to optimize for both latency and cost while ensuring high availability. Which of the following strategies represents the MOST effective approach for configuring and deploying these external functions to meet these requirements? Select two.

A. Create a single external function that uses a conditional statement to route requests to different API endpoints based on the Snowflake region where the function is being called. This approach reduces management overhead.
B. Deploy separate external functions in each region, pointing to API endpoints hosted in the respective regions. Configure each external function with the same security integration to simplify access management.
C. Utilize Snowflake's cross-region replication feature to automatically replicate the external functions between regions. This ensures that the functions are always available in both regions.
D. Host the external function code directly within the Snowflake application package and leverage Snowflake's serverless compute to execute the function logic without relying on external APIs.
E. Configure a global load balancer in front of the third-party API endpoints and point all external functions to the load balancer's endpoint. This allows the load balancer to route requests to the closest available API endpoint.

Answer: B,E

Explanation:
Options B and D are the most effective. Deploying separate external functions in each region (B) allows for regional optimization, reducing latency by calling API endpoints hosted in the same region. Configuring the same security integration simplifies access management. Using a global load balancer (D) adds another layer of resilience and allows for dynamic routing to the closest available API endpoint, improving availability and potentially reducing costs. Option A could introduce latency due to conditional logic and potentially suboptimal routing. Option C is not applicable as external functions are not replicated by Snowflake replication. E cannot be hosted directly to the Snowflake application package

NEW QUESTION # 208
You are developing a Snowflake Native Application with a custom setup script. Within the setup script, you need to perform different actions based on whether the application is being installed for the first time in a consumer's account, or if it's an upgrade from a previous version. Which of the following functions or techniques can you reliably use within the setup script to determine if the current execution is a fresh installation vs. an upgrade? (Assume the app version is maintained and accessible as a variable 'current_version' .)

A. Attempt to read a known persistent setting from the application's metadata. If the setting exists, it's an upgrade; otherwise, it's a fresh install. (Requires metadata setup in a previous version)
B. Query the 'INFORMATION_SCHEMAPPLICATIONS' view to check if the application name already exists in the consumer's account.
C. Check if the current version is '1.0', assuming the initial version of the application will always be '1.0'.
D. Use the table 'APPLICATION_REGISTRY' function to check for an existing entry for the application in the current account.
E. Use 'SYSTEM$GET_PREVIOUS_VERSION()' function inside the setup script. If it returns NULL, it is the first install.

Answer: E

Explanation:
Option C is the most reliable approach. The 'SYSTEM$GET_PREVIOUS_VERSION()' function is designed to return the version number of the previously installed version, or NULL if the application is being installed for the first time. Therefore, a NULL return value indicates a fresh install. Option A is not reliable. Option B is not a valid function. Option D is unreliable. Option E relies on the application's metadata management, which can be complex. The provided system function is the recommended approach.

NEW QUESTION # 209
You are developing a Snowflake Native Application that processes sensitive financial data. You need to implement robust logging and auditing to comply with regulatory requirements. Which of the following strategies would provide the MOST secure and comprehensive auditing and logging solution within the context of a Snowflake Native App?

A. Utilize Snowflake's Event Tables to capture application events. Ensure proper role-based access control is in place to restrict access to the event data within the provider account. Masking and Row Access policies should be applied before writing to event tables.
B. Implement logging to an external service such as AWS CloudWatch or Azure Monitor, streaming data directly from UDFs using external functions. Implement data redaction within the UDFs before sending data externally.
C. Rely solely on Snowflake's ACCOUNT_USAGE views and information schema tables within the consumer account.
D. Implement custom logging using UDFs that write directly to a table accessible only within the provider account. Use masking policies to protect sensitive data before logging.
E. Use Snowflake's stages to write the event logs and then create the external table on top of it to process the data.

Answer: A

Explanation:
Snowflake Event Tables provide a native, secure, and auditable way to track application events within the provider account. They are designed for observability and telemetry within the secure context of Snowflake. While options B and D are possible, they introduce complexities and potential security vulnerabilities related to managing access to external systems and ensuring data protection during transit. Option A provides insufficient application-specific logging. Option E, uses stages but not the snowflake event tables, stages are not the most suitable for application- specific data.

NEW QUESTION # 210
A consumer installs a Snowflake Native App that collects usage statistics. The app uses an internal stage to store temporary data before aggregating it and sending it to the provider. The consumer notices that the internal stage is consuming a significant amount of storage and wants to understand if they are being charged for this storage. As a consumer, what level of visibility and control do you have over the storage costs associated with the internal stage created and managed by the installed Snowflake Native App?

A. The consumer can only see the stage's metadata but cannot see the data residing in it.
B. The consumer is billed for the storage used by the internal stage, but they have no direct visibility into its usage or control over its lifecycle. The provider manages the stage's lifecycle.
C. The consumer has no visibility into the stage's storage consumption or control over its lifecycle. All costs are borne by the application provider.
D. The consumer can view the overall storage consumption of the application but cannot differentiate between the internal stage and other data stored by the application.
E. The consumer has full visibility into the stage's storage consumption through the Snowflake web interface and can directly manage the stage's lifecycle to control costs.

Answer: B

Explanation:
As a consumer, you are billed for the storage used by the application's internal stage. However, you have no direct visibility into the stage's usage or control over its lifecycle. The application provider manages the stage and data within. The consumer is billed for the storage within their account that the application uses. They are unaware of the data details within the application but still responsible for charges.

NEW QUESTION # 211
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