最真實的NAS-C01認證考試資料庫

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Snowflake NAS-C01 Exam Syllabus Topics:

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

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最新的 SnowPro Core Certification NAS-C01 免費考試真題 (Q235-Q240):

問題 #235
A data engineering team is developing a Snowflake Native Application that processes sensitive PII dat a. They need to update the application frequently with bug fixes and performance improvements without disrupting user access. Which of the following strategies BEST balances rapid iteration with data security and minimal downtime? Consider that the application uses a secure UDF that needs to be updated in conjunction with other application code.

A. Implement in-place upgrades to the application package every time a bug fix is released, granting UPDATE privileges on the underlying data tables to the application.
B. Completely rebuild the application package for each release, pushing a new application to Snowflake Marketplace, forcing users to uninstall and reinstall. This guarantees a clean state but may cause disruptions.
C. Release patches as separate SQL scripts that consumers must manually apply to their installed application instances using the ACCOUNTADMIN role.
D. Use versioning, creating a new version of the application package for each set of changes, and instruct consumers to manually update their application instances to the latest version.
E. Use versioning, leveraging application roles and grants to control access to specific application versions. Employ automated rollout procedures to progressively expose new versions to consumers using application lifecycle management features.

答案：E

解題說明：
Versioning with automated rollouts via application lifecycle management is the optimal approach. It provides a structured, secure, and less disruptive method for deploying updates. Application roles and grants allow granular control over access, and automated procedures ensure a smooth transition for consumers, avoiding manual intervention and potential errors. In-place updates and manual patch application expose security risks and increase operational overhead. Rebuilding the application each time is inefficient and impractical.

問題 #236
A Native App provider wants to use a parameter in their MANIFEST.yml to dynamically control the number of worker threads a stored procedure uses. The desired behavior is to allow the consumer to configure this value. Considering security best practices, which of the following parameter definitions in the 'MANIFEST.yml' is the MOST appropriate?

答案：A

解題說明：
Option E is the MOST appropriate. While 'secure: true' is important to encrypt and protect the parameter value, 'validation_rules' provide an extra layer of security and data integrity by ensuring the consumer provides a valid value within a defined range. It prevents potentially harmful or unexpected values from being used, enhancing the app's robustness. Type INT also correctly defines the expected data type.

問題 #237
A Snowflake Native Application developer is debugging a privilege issue in the consumer's account. They suspect that a specific application role, 'app_admin' , does not have the necessary privileges to execute a stored procedure 'calculate_summary' within the application. Which of the following SQL statements will BEST help the developer diagnose the problem by listing the privileges granted to the 'app_admin' role? (Assume exists within the application.)

A. SHOW GRANTS TO APPLICATION app_admin;
B. SHOW GRANTS OF APPLICATION ROLE app_admin;
C. SHOW GRANTS ON STORED PROCEDURE calculate_summary TO APPLICATION ROLE app_admin;
D. SELECT FROM WHERE grantee_name = 'APP_ADMIN';
E. SHOW GRANTS TO ROLE app_admin;

答案：B

解題說明：
'SHOW GRANTS OF APPLICATION ROLE is the specific syntax used to view the privileges granted to an application role within a Snowflake Native Application. "SHOW GRANTS TO ROLE app_admin' would look for a regular role named app_admin, not an application role. The SNOWFLAKE.ACCOUNT_USAGE views don't know about application roles and can only return data about 'regular' Snowflake roles.

問題 #238
You are developing a Snowflake Native Application that needs to track usage metrics within consumer accounts. Specifically, you want to log the number of times a particular function within your application is called, and also store certain operational statistics. Which of the following storage options are available to you within the application package to persist these metrics, and what are their implications?
(Select TWO)

A. Utilizing User-Defined Functions (UDFs) with external network access to push metrics to an external logging service.
B. Leveraging external stages (e.g., AWS S3) to store the metrics. The application would need the necessary IAM roles and stage configuration.
C. Using temporary tables within the application. These tables are automatically dropped at the end of the session.
D. Using the 'APPLICATION' schema to create persistent internal stages. Data written to these stages will persist across installations and updates.
E. Creating permanent tables within the application package using the 'APPLICATION' schema. These tables persist across installations and updates.

答案：D,E

解題說明：
Options B and E are the correct choices. The 'APPLICATION' schema allows for the creation of permanent tables within the application package. These tables persist across installations and updates, making them suitable for storing usage metrics. Similarly internal stages created using the 'APPLICATION' schema will persist data across versions. Option A is incorrect as temporary tables are session-based. Option C introduces external dependencies that are not typically ideal for tightly integrated Native Apps for internal metrics. Option D involves external network calls which might be restricted and less efficient for logging internal metrics.

問題 #239
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. Store the API key in a table within the application database with minimal access control, relying on Snowflake's data encryption at rest.
B. Store the API key as a secret using Snowflake's Secret Management feature and reference it within a secure UDE
C. Store the API key in a secure stage with encryption and grant SELECT privilege to the application role.
D. Hardcode the API key directly into the application code within a UDF (User-Defined Function).
E. Create a key-pair stored procedure. Storing the API key as a secret, then decrypting the key during each API call.

答案：B

解題說明：
Snowflake's Secret Management offers the most secure way to store and manage sensitive information like API keys. It allows you to store secrets securely and reference them within UDFs, preventing direct exposure. Options A, B and D introduce security risks by storing the API key in less secure ways or directly in code. Option E introduces unnessary complexity.

問題 #240
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