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Snowflake NAS-C01 Exam Syllabus Topics:

Section	Weight	Objectives
Snowflake Native Applications Installation and Testing	20%	- Install and test native applications 1. Validate application functionality and performance
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 App Framework Overview	20%	- Understand Snowflake architecture, features, tools, and best practices 1. Account security and access management 2. Cloud-based computing and storage concepts 3. Data sharing and protection mechanisms

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The NAS-C01 exam is highly competitive and acing it is not a piece of cake for majority of the people. It requires a great skill set and deep knowledge NAS-C01 Exam Questions. An aspirant achieving SnowPro Specialty - Native Apps (NAS-C01) certificate truly reflects his hard work and consistent struggle. These NAS-C01 exam practice test a person's true capacities and passing it requires extensive knowledge of each NAS-C01 topic.

Snowflake SnowPro Specialty - Native Apps Sample Questions (Q337-Q342):

NEW QUESTION # 337
You are designing a Snowflake Native Application that requires granular control over the privileges granted to different application roles. You want to follow the principle of least privilege. You have the following requirements: Application roles , and app_read_only'. What is the most effective strategy to implement this using definer's rights?

A. Grant all privileges on all application objects to the 'app_admin' role and rely on the consumer to manage privilege inheritance for other roles.
B. Create stored procedures owned by the application, with each stored procedure performing actions within the app. Grant OWNERSHIP on each stored procedure to the application admin. Consumers must then grant USAGE on these procedures to their desired roles.
C. Create separate schemas for each application role, placing objects with different privileges into these schemas. Then, grant the appropriate privileges on each schema to the corresponding application role.
D. Create views for each application role, granting SELECT privilege on the necessary tables to each view. Then, grant SELECT privilege on the appropriate view to each application role.
E. Create stored procedures owned by the application, with each stored procedure explicitly granting the required privileges to the corresponding role. Consumers must then grant USAGE on these procedures to their desired roles.

Answer: E

Explanation:
Using stored procedures owned by the application and using DEFINER's rights offers the most granular control and aligns with the least privilege principle. The application provider defines the privileges within the stored procedures. The consumer only needs to grant USAGE on the stored procedures. Creating views or separate schemas can work, but they add complexity. Granting all privileges to the 'app_admin' role is too permissive and doesn't adhere to the principle of least privilege.

NEW QUESTION # 338
A Snowflake Native Application uses a task 'aggregate_data' to aggregate dat a. This task is owned by the 'app_public' role and executes a stored procedure 'aggregate data proc'. Consumers have reported the task sometimes fails intermittently, citing permission issues, specifically related to accessing a specific table in the consumer account. The application provider has granted 'SELECT' privilege on the table to the 'app_public' role. However, the failures persist. What is the MOST LIKELY cause of the intermittent failures related to executing the task?

A. The stored procedure is executed with definer's rights (OWNER), so the privilege check occurs against the application provider's account, not the consumer's account.
B. The task 'aggregate_data' is executing with definer's rights (OWNER) of the application, so the grant of SELECT privilege to 'app_public' is sufficient, and there is likely an issue with transient network connectivity.
C. The stored procedure is executed with caller's rights (CALLER), and the 'EXECUTE TASK privilege wasn't granted correctly, which causes the user to randomly lose access on the Snowflake Ul.
D. The stored procedure is executed with caller's rights (CALLER), but the application role 'app_public' doesn't have sufficient warehouse privileges in the consumer account.
E. The stored procedure is executed with caller's rights (CALLER), but the application role 'app_public' doesn't have the ACTIVATION privilege on the task.

Answer: A

NEW QUESTION # 339
You are developing a Snowflake Native Application that relies on external Python packages. You've successfully added the necessary packages to the stage associated with your application package using 'snowflake-cli' during development. However, when testing the application in a consumer account, you encounter errors indicating that these packages are not found. What are the most likely reasons for this issue and how can you resolve them?

A. The 'snowflake.yml' file does not correctly specify the stage where the Python packages are located. Update the 'snowflake.yml' file to include the correct stage URL and ensure the application's setup script creates the stage and uploads the packages.
B. The consumer account does not have access to the Snowflake Marketplace where the packages are hosted. Request the consumer to enable access to the required marketplace listings.
C. The consumer account's Python environment is incompatible with the packages used by the application. Instruct the consumer to update their Python environment to match the application's requirements.
D. The packages were not correctly added to the stage. Verify that the packages are in the stage specified in the 'snowflake.yml' file, and that the application has the necessary permissions to read from the stage within the setup script.
E. The stage is not automatically shared with the consumer account as part of the application package. Ensure that your setup script includes a step to create a share and grant usage on the stage to the consumer account.

Answer: A,D

Explanation:
Options B and C are correct. Option B addresses the core issue of verifying that the Python packages are in the correct stage and that the application has permissions to read from it. If the packages aren't staged correctly or accessible, the application will fail to find them in the consumer account. Option C hits on a crucial configuration aspect if 'snowflake.ymr doesn't point to the right stage, the application won't know where to find the packages even if they exist. Sharing is implicitly handled by native apps so the share is not the problem. Consumers do not update python enviroments. Applications can not access the marketplace of the user's account.

NEW QUESTION # 340
You are developing a Snowflake Native Application designed to audit user activity within a consumer's Snowflake account. Your application needs to store audit logs persistently and efficiently. You anticipate high write volumes and require the ability to query these logs effectively for compliance purposes. Which of the following strategies is the MOST appropriate for storing and managing audit logs within your native application?

A. Store audit logs in an external stage, leveraging cloud storage. Implement periodic data loading from the stage into a Snowflake table for querying.
B. Store audit logs as JSON files in a variant column within a Snowflake table.
C. Store audit logs directly in a Snowflake table, leveraging clustering keys and partitioning for efficient querying and maintenance.
D. Write audit logs to a Snowflake queue. Configure a Snowpipe to load the data continuously into a Snowflake table.
E. Send audit logs to a third-party logging service via external functions. Maintain a summary table within Snowflake containing aggregated audit data.

Answer: C

Explanation:
Storing audit logs directly in a Snowflake table, leveraging clustering keys and partitioning, is the most efficient and manageable solution for high write volumes and efficient querying. Clustering keys optimize query performance based on frequently used filter criteria, while partitioning improves data pruning and maintenance operations. Options A introduces complexity with external stages and data loading. Option C utilizes Snowpipe and queues, which while viable, adds more moving pieces without significant benefit over direct table insertion, especially when proper optimization is applied (clustering, partitioning). Option D suffers performance issues with large JSON files, and Option E adds external dependency. Therefore, storing logs directly in a well-designed Snowflake table is the most efficient and suitable choice.

NEW QUESTION # 341
You are packaging a Snowflake Native Application for distribution. You need to include a Python User-Defined Function (UDF) that reads data from a stage. Which of the following steps are REQUIRED to ensure the UDF functions correctly after installation in a consumer's account? (Choose two)

A. Grant the 'READ privilege on the stage to the schema in the provider account before building the application package.
B. Ensure the stage containing the Python file is explicitly referenced with 'OWNER' rights in the application manifest file.
C. Include the Python code for the UDF inline within the 'CREATE FUNCTION' statement, instead of referencing an external stage.
D. Explicitly grant 'USAGE privilege on the stage to each role within the application that will execute the UDF in the 'setup.sqr script.
E. Grant on the stage and 'USAGE' on the database and schema containing the stage to the 'SNOWFLAKCORE.BUILTIN APP API' schema in the provider account before building the application package.

Answer: D,E

Explanation:
To allow the UDF to read the data from the stage in the consumer account, the schema in the provider account (used for building the application package) must be granted 'READ' on the stage and 'USAGE' on the database and schema containing the stage. Furthermore, you need to explicitly grant "USAGE privilege on the stage to each role within the application that will execute the UDF in the 'setup.sqr script after the app has been installed in the consumer account. Including the Python code inline negates the purpose of using a stage. OWNER rights on the stage are not necessary and potentially insecure.

NEW QUESTION # 342
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