Snowflake NAS-C01 실제 시험문제 및 답변

문제1
You are developing a Snowflake Native Application that utilizes Snowpark Container Services (SPCS) to run a machine learning model within the customer's Snowflake environment. The application requires access to data stored in a secure stage within the customer's account. Considering security best practices and the limitations of SPCS in Native Apps, what is the most secure and recommended approach to grant the container access to the customer's data stage?

A. Granting the application's service account the 'READ privilege directly on the secure stage. This ensures the container can directly access the data.

B. Creating a Snowflake UDF that reads data from the secure stage and exposes it through a secure view, which the container accesses using the application's service account.

C. Creating a Snowflake Stored Procedure with 'EXECUTE AS CALLER rights and granting the application's service account execute access to the stored procedure. The stored procedure reads data from the secure stage and returns it to the container via a secure data sharing mechanism.

D. Packaging the data within the application package during the build process. This eliminates the need for runtime access to the customer's data stage.

E. Utilizing a Snowflake external function that proxies the data access request to an external API gateway managed by the provider, which then fetches the data from the secure stage. This keeps the access credentials out of the customer's environment completely.

정답: B,C

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문제2
You are developing a Native App on Snowflake that needs to interact with an external REST API. To ensure proper security, you want to store the API key securely within the application package and use it for authentication. Which of the following is the MOST secure and RECOMMENDED method to accomplish this?

A. Hardcode the API key directly into the application code within a UDF (User-Defined Function).

B. Store the API key in a table within the application database with minimal access control, relying on Snowflake's data encryption at rest.

C. Create a key-pair stored procedure. Storing the API key as a secret, then decrypting the key during each API call.

D. Store the API key in a secure stage with encryption and grant SELECT privilege to the application role.

E. Store the API key as a secret using Snowflake's Secret Management feature and reference it within a secure UDE

정답: E

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문제3
You are developing a Snowflake Native Application that processes financial transactions. You want to implement a robust version management strategy. You have created versions 'v1_0', 'V1 _ 1', and 'v2 Version has a critical bug fix and needs to be prioritized for immediate deployment to specific consumer accounts that reported issues, while contains significant feature enhancements and is undergoing phased rollout. What is the most efficient and secure way to manage these releases in Snowflake?

A. Option D

B. Option E

C. Option C

D. Option A

E. Option B

정답: D

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문제4
A Snowflake Native App is designed to process data in a consumer's account. The application requires access to multiple shared databases provided by different providers. The application provider configures their application. Snowflake is configured so that the app can see all of these shared databases. Now, to enable the Native App with the privileges it requires, what are the necessary steps to allow the application's role, , to query tables in these shared databases?

A. No additional steps are required. Once the application is installed, it automatically has access to all shared databases.

B. Grant USAGE on each shared database to the 'app_role' . Additionally, grant 'SELECT privilege on each specific table or view the application needs to access in each shared database to the 'app_role' .

C. Grant 'ALL PRIVILEGES on each shared database to the 'app_role'. This will allow the application to access all objects within the shared databases.

D. Only grant 'IMPORTED PRIVILEGES on each shared database to the 'app_role' .

E. Grant 'IMPORTED PRIVILEGES' on each shared database to the 'app_role' . Additionally, grant 'SELECT privilege on each specific table or view the application needs to access in each shared database to the 'app_role' .

정답: E

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문제5
You are developing a Snowflake Native Application that needs to be deployed across multiple Snowflake accounts. The application includes a setup script that creates several tables and stored procedures. However, some consumers might have naming conflicts with the objects created by your setup script. Which of the following strategies can you use to minimize naming conflicts and ensure smooth application deployment? (Select all that apply)

A. Dynamically generate object names within the setup script using the application's name and a random suffix.

B. Instruct consumers to drop any conflicting objects before installing the application.

C. Prefix all objects created by the setup script with a unique, application-specific identifier.

D. Package all application objects into a dedicated schema within the consumer's database.

E. Utilize the 'CREATE OR REPLACE syntax for all objects in the setup script to overwrite any existing objects.

정답: A,C,D

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문제6
A Snowflake Native App developer is creating a new application database. They need to ensure that only the application itself and designated roles within the provider account can access the database. Which of the following CREATE DATABASE statements would BEST achieve this, adhering to best practices for application isolation and security?

A.

B.

C.

D.

E.

정답: E

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문제7
A provider is testing their Snowflake Native Application in a consumer environment. The application includes a Streamlit app that displays data from a table provisioned in the consumer account. The consumer reports that the Streamlit app is displaying an errorrelated to accessing the table. The 'streamlit.secretS dictionary is used to store the database connection details. The application role app_role' is designed to have access to the table. Which of the following could be potential causes of the problem, assuming the connection details are valid?

A. The Streamlit app is not properly configured to assume the when executing queries.

B. The consumer has not shared the database containing the table with the provider account.

C. The 'streamlit.secretS dictionary is not accessible to the application due to incorrect file permissions.

D. The 'app_role' does not have the 'SELECT privilege on the table.

E. The 'app_role' does not have the privilege on the database containing the table.

정답: A,D,E

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문제8
You are developing a Snowflake Native Application that requires maintaining multiple live versions for different customer segments. Some customers need to stay on an older version for compatibility reasons, while new customers should use the latest version. How can you best manage these different versions using Snowflake Native App features?

A. By using streams and tasks to replicate data and logic between different versions of the application, ensuring data consistency.

B. By creating separate Snowflake accounts for each customer segment, each with a different version of the application installed.

C. By implementing a custom versioning system within the application's stored procedures and functions, relying on consumer-provided parameters to determine which version of the logic to execute.

D. By creating separate application packages for each version and managing them independently, allowing consumers to choose which version to install. The 'APPLICATION ROLE is used to define application-level access.

E. By leveraging the 'APPLICATION ROLE to control access to different versions using conditional logic within the application code.

정답: D

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문제9
A Snowflake Native App provider is using a Snowpark Python UDF to process data before writing it to an event table for consumption by consumer applications. The UDF fails intermittently with a 'Java heap space' error. Which of the following strategies are MOST effective in mitigating this error?

A. Switch to a Java UDF instead of a Python UDF, as Java UDFs inherently have better memory management in Snowflake.

B. Optimize the Python UDF code to use more memory-efficient data structures and algorithms, reducing overall memory consumption.

C. Increase the warehouse size used by the consumer application instance, as this controls the memory available to the UDF during event processing.

D. Implement batch processing within the UDF to process data in smaller chunks, reducing the memory footprint at any given time.

E. Configure the event table function to use a larger warehouse size using the EXECUTE AS OWNER clause.

정답: B,D

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문제10
Consider the following scenario: You are tasked with designing a setup script for a Snowflake Native Application. This script needs to perform several tasks including creating a database role, granting privileges to the role, and creating a schem a. Your application also provides a configuration table that needs to be populated during the setup process. Which of the following set of statements are true regarding the order of operations and security best practices within the setup script? (Choose all that apply)

A. Populating the configuration table should be done before creating any other objects, as other parts of the application might rely on the configuration during object creation.

B. Setup Scripts should be designed in a way that it requires multiple manual interventions during execution.

C. It is best practice to create the database role before creating the schema, to immediately grant ownership on the schema to the created role.

D. When granting privileges to the database role, use the 'APPLICATION' keyword to grant privileges on application objects, enhancing security and control.

E. The setup script should always be designed to be idempotent, meaning it can be executed multiple times without causing errors or unintended side effects. Use 'CREATE ... IF NOT EXISTS' where appropriate.

정답: C,D,E

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문제11
A data science team is developing a Native App on Snowflake that requires access to data from multiple customer accounts (Reader Accounts). They need to ensure strict data governance and minimize the risk of data leakage. Which of the following approaches provides the MOST secure and scalable solution for accessing and managing this cross-account data?

A. Implement a data access service within the Native App that uses external functions to query data from consumer accounts, relying on network policies for security.

B. Utilize secure data sharing with data clean rooms, exposing the required datasets via views on each data clean room.

C. Package the data extraction logic directly into the Native App using User-Defined Functions (UDFs) that establish secure connections to each consumer account using separate credentials stored securely within the application package.

D. Grant SELECT privileges directly to the application role on all relevant tables in the consumer accounts.

E. Create a shared database from each consumer account containing views over the required tables, granting SELECT privileges on these views to the application role.

정답: B

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