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Snowflake NAS-C01 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Installation, Testing and Troubleshooting	20%	- Validation and debugging 1. Logging and event tables 2. Tracing and troubleshooting workflows
Topic 2: Snowflake Native App Framework Overview	20%	- Native application concepts and architecture 1. Manifest files and setup scripts 2. Application packages and structure
Topic 3: Native Application Design and Creation	35%	- Application development workflow 1. Application roles and privileges 2. Building and versioning applications
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 (Q77-Q82):

NEW QUESTION # 77
You are designing a Snowflake Native App that includes a Streamlit I-Jl. The Streamlit app needs to access data stored in a secure table within the consumer's account. What are the recommended and MOST secure methods for granting the Streamlit app access to this data, considering the principle of least privilege? Select all that apply.

A. Grant the ' IMPORTED PRIVILEGES' privilege on the database containing the table to the application role.
B. Create an external function that retrieves the data and grant 'USAGE on the external function to the application role.
C. Create a secure view on top of the table and grant 'SELECT privilege on the view to the application role. Publish the View via 'show published objects in application package'.
D. Grant *SELECT privilege directly on the table to the application role.

Answer: A,C

Explanation:
Granting 'IMPORTED PRIVILEGES (A) on the database allows the application to inherit privileges defined within the consumer's account, following the principle of least privilege. Creating a secure view (C) and granting SELECT on the view to the application role provides a controlled interface to the data. Directly granting SELECT on the table (B) is less secure, as it grants direct access. External functions (D) introduce unnecessary complexity and potential security risks. Granting 'ACCOUNTADMIW (E) is a significant security violation and should never be done.

NEW QUESTION # 78
You are developing a Snowflake Native Application and wish to publish an application package to an external staging location (e.g., AWS S3). You have already created the application package in Snowflake. What are the necessary steps and considerations to ensure the application package is securely and correctly deployed to the external stage, making it accessible to consumers?

A. Grant the ACCOUNTADMIN role to the SNOWFLAKE DEPLOYMENT application role and use the TOKEN function to create credentials. Use these credentials to upload the application package files to the external stage.
B. Grant the SNOWFLAKE DEPLOYMENT application role the CREATE STAGE privilege on the external stage. Then, use the CREATE APPLICATION PACKAGE command with the EXTERNAL STAGE parameter pointing to the external stage location.
C. Use the PUT command to directly upload the application package files to the external stage. Then, create an APPLICATION using the CREATE APPLICATION command, referencing the uploaded files in the stage using the EXTERNAL_STAGE parameter.
D. Create an APPLICATION PACKAGE, then grant CREATE APPLICATION privilege on the package to SNOWFLAKE DEPLOYMENT role and use the SYSTEM$GENERATE_SCIM_ACCESS_TOKEN function to create credentials. Use these credentials to upload the application package files to the external stage.
E. Create an IAM role in AWS with appropriate permissions to access the S3 bucket. Create a Snowflake integration object referencing the IAM role. Use the CREATE APPLICATION PACKAGE command with the EXTERNAL STAGE parameter pointing to the Snowflake integration object.

Answer: E

Explanation:
To securely and correctly deploy an application package to an external stage, you need to create an IAM role in AWS (or equivalent in other cloud providers) with the necessary permissions to access the S3 bucket (or equivalent). Then, create a Snowflake integration object that references this IAM role. Finally, when creating the APPLICATION PACKAGE, the EXTERNAL STAGE parameter should point to this Snowflake integration object. This ensures Snowflake can securely access the external stage. Option A is incorrect because it directly grants CREATE STAGE to the SNOWFLAKE DEPLOYMENT role on the external stage, bypassing proper authentication and authorization. Options C and D do not correctly leverage Snowflake's security mechanisms for external stage access. E grant create applicaiton privilege which is not appropriate for package creation.

NEW QUESTION # 79
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. 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.
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. Prioritize replicating application code over replicating application data products, as the code is more critical for application functionality.
D. Implement a custom error handling mechanism within the application to automatically retry failed operations in the other region in case of a regional outage.
E. Use Snowflake's replication features to replicate the application package and its associated data products between the regions.

Answer: B,E

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 # 80
You are packaging a Snowflake Native Application that utilizes an external function to enrich dat a. This external function requires access to an API endpoint. You've created an API integration in the consumer's account to manage access. How should you grant the necessary privileges to your application to utilize this API integration?

A. No explicit privilege granting is required. Snowflake automatically grants access to API integrations to applications within the same account.
B. Grant the USAGE privilege on the API integration to the application role using the command 'GRANT USAGE ON INTEGRATION TO APPLICATION ROLE within the application's setup script.
C. Create a share from your provider account containing the API integration and import it into the consumer's account.
D. Grant the OWNERSHIP privilege on the API integration to the application package using Snowsight.
E. Grant the EXECUTE privilege on the external function to the application role. The external function inherits the API integration's privileges.

Answer: B

Explanation:
The correct answer is B. To allow a Snowflake Native Application to utilize an API integration in a consumer's account, you must explicitly grant the USAGE privilege on the API integration to the application role. This is done using the 'GRANT USAGE ON INTEGRATION' command within the application's setup script. Ownership (A) is not appropriate, as the application doesn't need to own the integratiom Option C is incorrect; explicit granting is required. Option D is partially correct in that the function needs execute permission, but the function needs to be linked to the API integration. Option E only applies to data sharing, not API integrations within a Snowflake Native App context.

NEW QUESTION # 81
A provider is developing a Snowflake Native App and utilizes event sharing to communicate state changes to consumers. After initial installation, a consumer reports not receiving any event notifications. The provider has verified the event table is populated correctly. Which of the following are the MOST likely reasons for this issue and how can the provider troubleshoot them?

A. The event table function is not correctly filtering events based on the consumer's application instance I Review the function logic to ensure proper filtering using APP_INSTANCE_ID().
B. The consumer has not explicitly granted the necessary privileges on the event table function to the role used by the app. Instruct the consumer to grant USAGE on the event table function to the app role.
C. The consumer has not refreshed their application instance metadata. Ask the consumer to execute SYSTEM$REFRESH_EXTERNAL_FUNCTIONS() in the application database.
D. Event sharing is inherently unreliable and Snowflake does not guarantee event delivery. The provider should implement alternative polling mechanisms.
E. The consumer's event table function does not have the correct security invoker privileges. Grant EXECUTE TASK on the event table function to the consumer role.

Answer: A,B

Explanation:
B and D are the most likely reasons. B: The consumer needs to grant USAGE on the event table function to the application role. D: The event table function must correctly filter events using APP INSTANCE_ID() to ensure the consumer only receives events related to their instance. A is incorrect because the consumer (not provider) needs to grant usage. C is incorrect as SYSTEM$REFRESH EXTERNAL FUNCTIONS() is not the correct procedure in this context. E is wrong. Snowflake guarantees event delivery, assuming correct setup.

NEW QUESTION # 82
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