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Snowflake NAS-C01 Exam Syllabus Topics:

Section	Weight	Objectives
Snowflake Native Applications Design and Creation	35%	- Apply Snowflake best practices while building native application workloads 1. Design scalable applications 2. Build, distribute, and monetize apps in Snowflake - Create and manage billing events and cost monitoring techniques 1. Formulate Snowflake native application workflows and procedures
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 App Framework Overview	20%	- Understand Snowflake architecture, features, tools, and best practices 1. Account security and access management 2. Data sharing and protection mechanisms 3. Cloud-based computing and storage concepts

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Snowflake SnowPro Specialty - Native Apps Sample Questions (Q256-Q261):

NEW QUESTION # 256
You are developing a Snowflake Native Application designed to be deployed by various consumers from the Snowflake Marketplace. The application interacts with user-provided data through secure UDFs and external functions. To ensure minimal impact and prevent unintended data access, how should you configure the application's security context and privileges when creating the application package?

A. Define roles within the application and grant 'USAGE' on all schemas and 'SELECT on all tables to these roles.
B. Grant OWNERSHIP privilege on all schemas and tables to the application's service account.
C. Use the 'CALL APPLICATION.API GRANT PRIVILEGE command, and grant only the 'USAGE privilege on the shared database containing consumer data, along with the ' EXECUTE privilege on the UDFs and external functions.
D. Create a separate application role with minimal privileges, and grant only 'USAGES on the database and 'EXECUTE' on the relevant functions to that role. Use 'CALL to grant USAGE on the share.
E. Grant 'ALL PRIVILEGES on the database containing consumer data to the application role.

Answer: D

Explanation:
The best practice for securing Native Applications is to follow the principle of least privilege. Granting 'OWNERSHIP' or 'ALL PRIVILEGES' (A, D) is far too permissive and poses a significant security risk. While creating roles within the application (C) offers some control, it doesn't leverage the explicit privilege granting mechanism designed for Native Apps. Option B is partially correct but incomplete. Option E is the most secure and correct approach. It uses a dedicated application role with minimal required privileges CUSAGE on database, 'EXECUTE on UDFs/external functions) and 'CALL to grant 'USAGE' on the data share provided by the consumer, ensuring that the application can only access the explicitly shared data and execute the intended functions.

NEW QUESTION # 257
You are designing a Snowflake Native Application that needs to store temporary data for processing, which should be cleaned up when the application is uninstalled from the consumer account. Which of the following options would be the MOST appropriate and secure way to manage this temporary data?

A. Create a table with a retention period in the application database using the APPLICATION role. Configure the retention period to be very short (e.g., 1 day).
B. Create an external stage linked to cloud storage. Store temporary data in cloud storage and implement cleanup logic using an uninstall script.
C. Create a temporary stage and use it to persist data. Use a SQL statement in your uninstall script to remove the data from the stage when the application is uninstalled.
D. Create a temporary table in the application database using the APPLICATION role. The application is responsible for dropping the table when uninstalled.
E. Create a schema named 'temp' in the application database using the APPLICATION role. The application setup script will create temporary tables inside this schema. Use an uninstall script to drop the entire schema upon uninstall.

Answer: E

Explanation:
Creating a dedicated schema for temporary tables and dropping the entire schema in the uninstall script is the most secure and reliable way to manage temporary data. Using the APPLICATION role ensures that only the application can access and manage these tables. This approach guarantees that all temporary data is cleaned up when the application is uninstalled, without relying on external mechanisms or application logic running after uninstall.

NEW QUESTION # 258
A Snowflake Native App developer is creating an application that needs to access data from multiple tables within a provider account. The developer wants to ensure the principle of least privilege and minimize the surface area for potential security vulnerabilities. Which approach is the MOST secure and efficient for granting the necessary privileges to the application?

A. Grant the 'SELECT privilege on all tables in the provider account to the application role.
B. Grant the USAGE privilege on all relevant databases and schemas, and the 'SELECT privilege on only the tables required by the application to the application role.
C. Grant the 'OWNERSHIP privilege on all relevant databases to the application role. This provides the application with full control over the data, ensuring it can perform any necessary operations.
D. Create a custom role in the provider account, grant the required privileges on the tables to this role, and then grant the 'USAGE privilege on this custom role to the application role.
E. Grant the 'ALL PRIVILEGES privilege on all relevant tables to the application role. This provides the application with all possible privileges, simplifying privilege management.

Answer: B

Explanation:
Option B is the MOST secure and efficient. Granting 'USAGE' on databases and schemas allows the application to access these containers, while granting 'SELECT only on the necessary tables adheres to the principle of least privilege, minimizing potential security risks. Options A, C, and E grant overly broad privileges, which is not a secure practice. Option D, while seemingly applying least privilege, creates unnecessary role complexity and doesn't directly link the application role to the required object privileges.

NEW QUESTION # 259
You are developing a Snowflake Native App that needs to persist state information between different invocations. The app requires tracking of user preferences, processing progress, and other runtime dat a. Which of the following options are viable and secure methods for persisting this type of state information within the context of a Snowflake Native App?

A. Storing state information within the application package itself by updating the package version with each state change.
B. Using temporary tables within the consumer's account to store state information. The tables are dropped when the app is uninstalled.
C. Using secure external stages managed by the application provider to store the consumer-specific state information.
D. Using internal stages and secured views in consumer account to persist state information.
E. Using the application provider's own Snowflake account to store state information associated with each consumer.

Answer: D,E

Explanation:
Persisting state information requires careful consideration of security, scalability, and isolation. Using the application provider's own Snowflake account is a viable approach if designed carefully, but requires robust security measures to isolate consumer data. Internal stages and secure views offer a more secure and controlled way to persist state within the consumer's account. Temporary tables are ephemeral and unsuitable for long-term state persistence. Storing state within the application package is impractical and would lead to versioning issues. External stages managed by the provider introduce complexity and potential security risks.

NEW QUESTION # 260
Your Snowflake Native Application uses a combination of stored procedures and UDFs. You've implemented robust logging within your application to track usage and potential errors. You want to grant a Snowflake support engineer temporary access to these logs for troubleshooting purposes, minimizing the risk of exposing sensitive consumer dat a. Select the two statements below that describe best practices to ensure security and efficiency.

A. Implement row-level security (RLS) policies on the logging table to restrict access based on the support engineer's role.
B. Grant the support engineer OWNERSHIP of the database containing the logging tables. This allows them full access for troubleshooting.
C. Create a dedicated view on the logging table that filters out sensitive data (e.g., PII) and grant the support engineer SELECT privileges on this view.
D. Create a new user role specifically for support and grant this role SELECT privileges on the logging tables without any filtering.
E. Use a temporary table to copy the relevant log data, mask sensitive information using 'MASKING POLICY or 'ANONYMIZATION' and grant the support engineer SELECT access to the temporary table. Schedule the table to drop automatically after a short period (e.g. 24 hours).

Answer: C,E

Explanation:
Options A and D are the most secure and efficient methods. Option A creates a restricted view, limiting the data the engineer can see. Option D uses masking and temporary tables to provide access to anonymized data for a limited time. Granting ownership (B) provides excessive permissions. RLS (C) is valid, but more complex for temporary access. The best practice is to avoid granting access directly to raw data or granting unnecessary privileges. Option E lacks security considerations by granting direct access to raw unfiltered data.

NEW QUESTION # 261
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