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| Section | Weight | Objectives |
|---|---|---|
| Snowflake Native Applications Installation and Testing | 20% | - Install and test native applications
|
| Snowflake Native App Framework Overview | 20% | - Understand Snowflake architecture, features, tools, and best practices
|
| Snowflake Native Applications Deployment | 25% | - Build, version, and release native applications
|
| Snowflake Native Applications Design and Creation | 35% | - Apply Snowflake best practices while building native application workloads
|
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質問 # 112
You are developing a Snowflake Native Application that includes a Python module for data transformation. This module relies on the pandas' and 'requests' libraries. You are using an 'environment.yml' file to manage dependencies. Which of the following 'environment.yml' configurations is the MOST secure and correct way to define these dependencies for your application? Assume you want to install these packages directly from conda-forge channel.
正解：E
解説：
Option E is the MOST secure and correct. Here's why: Specifying Versions: Explicitly pinning the versions of 'pandas' and requests' (e.g., 'pandas=l .3.5' , ensures consistent behavior across different environments and prevents unexpected issues caused by updates to these libraries. This greatly enhances the reproducibility and stability of your application. Using conda-forge Channel: Specifying 'conda-forge' as the channel is generally recommended for Snowflake Native Apps as it provides a broader selection of packages and often includes versions compatible with the Snowflake environment. It also tends to have more up-to-date packages. Avoiding 'pip': While 'pip' can be used, it's generally better to use 'conda' for managing dependencies in a 'environment.ymr file as it can handle non-Python dependencies as well and integrates better with Conda environments. Option A is less desirable because it relies on 'pip' without a specified channel, which can lead to inconsistencies and potential security vulnerabilities. Option B is better than A because it uses conda-forge but lacks version pinning. Option C uses 'defaults' channel which is less preferable to conda-forge and lacks version pinning. Option D unnecessarily mixes pip with the Conda package manager.
質問 # 113
You are developing a Snowflake Native Application that uses Streamlit to provide a user interface for data analysts. The application accesses sensitive customer data residing in a managed database. To enhance security, you want to implement row-level security (RLS) based on the user's role. You have the following Streamlit code snippet:
Which of the following actions should you take to implement RLS in the Snowflake Native App, ensuring only authorized users can view specific rows of 'customer_data'? Assume the already contains necessary credentials. Choose the most secure and efficient method.
正解：A
解説：
Using Snowflake's masking policies and secure views is the most secure and efficient method. It centralizes RLS within Snowflake, leveraging its security features. Option A is vulnerable to SQL injection if 'st.session_state.user.username' is not properly sanitized. Option B is better, but masking policies provide more granular control and data obfuscation. Option C pushes security logic to the application layer, which is less secure. Option E adds unnecessary complexity and overhead.
質問 # 114
You are developing a Snowflake Native Application that utilizes the 'APPLICATION ROLE' within a secure data sharing context. The application needs to perform different actions based on the role assigned to the user accessing the shared dat a. Consider the following code snippet in a stored procedure:
Which of the following modifications is necessary for the stored procedure to correctly utilize the 'APPLICATION ROLE and function as intended within the context of a Snowflake Native Application and a share?
正解：B
解説：
Option D is correct. The 'CURRENT ROLE()' function returns the primary role of the user, not necessarily the active 'APPLICATION_ROLE. To accurately determine the active , you must use The other options are not relevant to identifying the active application role. Calling SNOWFLAKE.PLATFORM INFO.GET APPLICATION ROLE() may provide some information, but it is preferable to call CURRENT_APPLICATION_ROLE().
質問 # 115
You are developing a Snowflake Native Application that requires fine-grained control over data access for its users. You plan to use Streamlit within the application and leverage the Permissions API to manage these privileges. Assume you have successfully established a connection to Snowflake within your Streamlit app. Which of the following code snippets accurately demonstrate how to grant the 'SELECT privilege on a table named 'APP DATA in the application's schema to a specific role, 'APP USER, using the Permissions API, and then verify if that privilege has been granted?
正解：C
解説：
Option E is correct because it accurately grants the SELECT privilege and then uses the 'SHOW GRANTS TO ROLE' command to verify the privilege. It also includes a check to ensure the schema, table, and privilege all match the expected values, handling upper/lower case variations. Option A is similar, but has inconsistent index access in the SHOW GRANT results, and its check might be too strict by requiring the role to match. Option B incorrectly accesses the results of SHOW GRANTS, checking the wrong indices. Option C mentions a hypothetical PermissionsClient which is NOT available in Snowflake. The Permissions API does not have 'grant_select' or 'check_privilege' methods like that. Option D uses INFORMATION_SCHEMA which is less reliable in the context of Snowflake Native Applications. The table name case-sensitivity matters with INFORMATION SCHEMA. The Information Schema is dependent on the privileges of the session role.
質問 # 116
An application provider creates a Snowflake Native App that needs to access sensitive data within the consumer's account. The provider has already defined an APPLICATION ROLE named Which of the following combination of actions are required to grant the 'app_role' the ability to select data from a table named 'customer_data' in schema of database 'consumer_db' within the consumer's account? (Choose two)
正解：A、E
解説：
To enable an application role to access objects in the consumer account, SELECT access on the table, along with usage access to the schema, need to be granted to the APPLICATION ROLE. Granting privileges to the APPLICATION PACKAGE only makes the privileges available for granting to the application roles, it does not automatically provide access. SELECT privilege on the table and USAGE on the schema are both needed. The APPLICATION ROLE, not PACKAGE, needs the SELECT privilege to the table. IMPORTED PRIVILEGES is typically granted to share data across accounts, not within an account for a Native App.
質問 # 117
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