NAS-C01学習関連題、NAS-C01復習テキスト

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Snowflake NAS-C01 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Native Application Design and Creation35%- Application development workflow
  • 1. Application roles and privileges
    • 2. Building and versioning applications
      Topic 2: Deployment and Marketplace Publishing25%- Distribution and lifecycle management
      • 1. Marketplace listings and publishing
        • 2. Version upgrades and release management
          Topic 3: Installation, Testing and Troubleshooting20%- Validation and debugging
          • 1. Logging and event tables
            • 2. Tracing and troubleshooting workflows
              Topic 4: Snowflake Native App Framework Overview20%- Native application concepts and architecture
              • 1. Application packages and structure
                • 2. Manifest files and setup scripts

                  >> NAS-C01学習関連題 <<

                  これだけで突破［合格ライン］ NAS-C01 合格読本 レベル攻略

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                  Snowflake SnowPro Specialty - Native Apps 認定 NAS-C01 試験問題 (Q88-Q93):

                  質問 # 88
                  You are managing versions of a Snowflake Native App that persists data to tables within the consumer's account. You want to provide consumers with the ability to rollback to a previous version of the application without losing dat a. Which combination of Snowflake features and practices would best support this requirement?

                  正解：C、E

                  解説：
                  Combining Time Travel with automated scripts (D) gives consumers a simple process and maintains data integrity. The backup and restore mechanism (B) adds an extra layer of protection, and could potentially allow for longer retention than the standard Time Travel configuration. (A) places too much burden on the consumer. (C) is too complex. (E) is not user friendly and prone to errors. Implementing scripts to manage time travel on the consumers' data warehouse is more effective than relying on them to do it themselves.


                  質問 # 89
                  A Snowflake Native Application is designed to process customer data using a series of stored procedures. One of the stored procedures, process data', requires access to a stage named 'customer stage' in the consumer's account to load dat a. The application role 'app_role' is intended to manage all access within the application. However, the procedure fails with a permission error during testing in the consumer environment. Which of the following combination of steps is required to fix the problem?

                  正解：C、E

                  解説：
                  Options A and E are correct. Option A: The 'app_role' needs 'USAGE privileges on the database and schema to access objects within them. It also needs 'READ' privilege on the stage to load data from it. Option E: If the stored procedure is accessing objects with the 'OWNER rights instead of 'CALLER rights, then it doesn't matter what the 'app_role' has privileges to. The procedure needs to be defined to execute as the caller to take advantage of the consumers permissions to external stages. Options B and C are incorrect because granting privileges directly to the provider account or the consumer account is the incorrect pattern for Snowflake Native Apps. The privileges should be managed within the consumer account, usually through an 'app_role' . Option D includes an unnecessary intermediary role that is not needed.


                  質問 # 90
                  Consider the following SQL code snippet within a Snowflake Native Application:

                  正解：C

                  解説：
                  The ' READ SESSION' privilege, if granted to the Native App (either implicitly or explicitly, depending on how it's managed within the app package), allows access to session-related information within the app's context. The session ID will correspond to the current execution context of the stored procedure. Options A and B are incorrect because 'READ SESSIONS does apply within stored procedures if properly authorized. Option C is incorrect as Native app will work on their own context, not the end user context and Option D incorrect as only app owner can use this privilege.


                  質問 # 91
                  You are building a Snowflake Native App that aggregates data across multiple consumer accounts. Your app needs to securely access data in each consumer's Snowflake account without requiring them to share their credentials directly. You are evaluating different options for secure data access. Which of the following strategies are viable and recommended to implement this, maximizing security and minimizing administrative overhead for the consumer?

                  正解：D、E

                  解説：
                  Granting SELECT directly (A) requires the consumer to manage grants directly, which is not ideal for scalability or security. Passing JWT tokens (D) is complex and requires careful management of keys. Snowflake Data Clean Rooms(B) are not the correct solution to get consumer data in Provider App.. Secure data sharing (C) is a viable and secure option, as it allows consumers to share data without exposing credentials. Snowflake's Native App sharing Data Products back to the consumer account (E) is the best option for secure data access.


                  質問 # 92
                  You are developing a Snowflake Native App that will be listed on the Snowflake Marketplace. The application requires the consumer to grant access to their 'CUSTOMER DATA table. Which of the following statements accurately describes the process and required privileges for accessing the consumer's data?

                  正解：C

                  解説：
                  Snowflake Native Apps access consumer data through an inbound share. The consumer must explicitly grant permissions (typically 'SELECT' on a table or a secure view) to the application's installation role via this share. Automatic access (A) is incorrect for security reasons. USAGE (B) is not sufficient for data access. The provider doesn't directly define objects in the consumer's account (C). 'IMPORTED PRIVILEGES' (D) are used for a slightly different use-case, they do not inherently grant access to a specific table within a database, but rather all objects. It needs to be linked to the database containing the data you intend to share, which is what 'E' does using an inbound share.


                  質問 # 93
                  ......

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