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Snowflake NAS-C01 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Snowflake Native App Framework Overview	20%	- Understand Snowflake architecture, features, tools, and best practices 1. Data sharing and protection mechanisms 2. Account security and access management 3. Cloud-based computing and storage concepts
Topic 2: Snowflake Native Applications Design and Creation	35%	- Create and manage billing events and cost monitoring techniques 1. Formulate Snowflake native application workflows and procedures - Apply Snowflake best practices while building native application workloads 1. Design scalable applications 2. Build, distribute, and monetize apps in Snowflake
Topic 3: Snowflake Native Applications Installation and Testing	20%	- Install and test native applications 1. Validate application functionality and performance
Topic 4: Snowflake Native Applications Deployment	25%	- Build, version, and release native applications 1. Use Snowflake's marketplace 2. Use data sharing for app interoperability

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Snowflake SnowPro Specialty - Native Apps Sample Questions (Q22-Q27):

NEW QUESTION # 22
You are designing a Snowflake Native Application package. You need to include a specific version of a Javascript UDF that calculates a complex statistical metric. You want to ensure that even if you update the application in the future, older installations continue to use the original Javascript UDF version. You also want to ensure that the javascript code is obfuscated. How do you design the application package directory structure and the UDF creation to achieve this? (Assume the UDF javascript source is named 'metric_vl .js' and is placed in the correct location within the application source code directory). The relevant 'manifest.yml' excerpt is:

A. Option B
B. Option C
C. Option D
D. Option A
E. Option E

Answer: E

Explanation:
Option E correctly addresses the requirements. By creating the 'udfs' subdirectory and placing 'metric_vl .js' within it, and 'versioned: true' inside the 'manifest.ymr file allows for versioning of the script. Use of the .js' syntax within the UDF definition ensures that the correct version is referenced even after application updates. By using the upload command, this ensures that the file is obfuscated, and by referencing the original name in the UDF creation, this will ensure that the obfuscated version is used for all consumer instances. Options A and B do not provide versioning or obfuscation. Option C is incorrect because it does not utilize Snowflake's versioning or correct syntax, and the uploaded, obfuscated javascript can no longer be referenced. Option D is incorrect since the command upload command does not rename the js file, and the file would not be referenced correctly.

NEW QUESTION # 23
Consider the following SQL code snippet within a Snowflake Native Application:

A. The statement will execute successfully, returning the session ID of the current session in which the stored procedure is running, provided the Native App has the 'READ SESSION' privilege (implicitly or explicitly).
B. The statement will execute successfully, returning the session ID of the current session in which the stored procedure is running, provided the caller has USAGE privilege on the database.
C. The statement will fail because the READ SESSION' privilege is not automatically granted to stored procedures. You must explicitly grant the privilege to the stored procedure's owner.
D. The statement will execute successfully, but the 'session_id' will always be null as the 'READ SESSION' privilege does not apply within stored procedures.
E. The statement will execute successfully, returning the session ID of the user who installed the Native Application.

Answer: A

Explanation:
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.

NEW QUESTION # 24
You're designing a Snowflake Native Application that leverages Snowpark Container Services (SPCS) and you are creating a CI/CD pipeline for deploying your application to multiple Snowflake regions. As part of the pipeline, you want to automate the creation of a Compute Pool. Which of the following approaches represents the MOST robust and repeatable method for creating the Compute Pool across all regions, considering factors like consistency and potential differences in available instance families?

A. Compute Pools created are global objects, so the pool automatically exists across all regions.
B. Use a Snowflake Script (SnowSQL) to create the Compute Pool, hardcoding the instance family and other parameters directly into the script.
C. Manually create the Compute Pool in each region using the Snowflake web interface, ensuring the parameters are identical across all instances.
D. Use a Snowflake Script (SnowSQL) to create the Compute Pool, retrieving the available instance families dynamically using 'SYSTEM$GET_CP POLICY' and selecting the appropriate instance family based on regional availability. Store common configurations in environment variables.
E. Create a Compute Pool in one region and then clone it to all other regions using the 'CREATE CLONE syntax.

Answer: D

Explanation:
Using a Snowflake Script that dynamically retrieves available instance families ensures consistency and adaptability across different regions. Hardcoding parameters might lead to failures if a specific instance family is unavailable in a region. Cloning is not applicable for Compute Pools. Compute Pools are not global objects and are region specific. The function is key for programmatically determining available instance families for a specific region, enabling robust CI/CD pipelines. This handles regional variations in available resources gracefully.

NEW QUESTION # 25
You are developing a Snowflake Native Application that includes a Streamlit UI. The application needs to read configuration parameters such as API keys and database connection strings. Which of the following methods are the recommended and secure ways to manage these configuration parameters within a Snowflake Native App?

A. Store the configuration parameters as environment variables within the Snowflake environment where the Streamlit application is running.
B. Store configuration parameters in an external file (e.g., a JSON or YAML file) and include it in the application's deployment package. Read the file from the Streamlit application.
C. Store the configuration parameters in a dedicated table within the Snowflake managed database and read them using SQL queries from the Streamlit application. Grant appropriate privileges to the Streamlit application's role on this table.
D. Use Streamlit secrets Cst.secretS) configured within the Streamlit application's settings in Snowflake. Store sensitive information like API keys and database credentials there.
E. Store the configuration parameters directly within the Streamlit code as Python variables.

Answer: C,D

Explanation:
Options B and C are the recommended methods. Using Streamlit secrets Cst.secretS) allows secure storage of sensitive information within the Snowflake environment. Storing the configuration parameters in a dedicated table within the Snowflake managed database with appropriate permissions is another secure and controllable method. Storing directly in code (A) or external files (E) poses security risks. Environment variables (D), while sometimes used, are less manageable and secure in this specific Snowflake Native App context. Option B offers greater control over who can read the config data through role based access control. Option C allows separation of code and configuration without putting parameters in a table that can accidentally be queried and seen.

NEW QUESTION # 26
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. It is best practice to create the database role before creating the schema, to immediately grant ownership on the schema to the created role.
B. 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.
C. 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.
D. When granting privileges to the database role, use the 'APPLICATION' keyword to grant privileges on application objects, enhancing security and control.
E. Setup Scripts should be designed in a way that it requires multiple manual interventions during execution.

Answer: A,B,D

Explanation:
Option A is correct because creating the role first allows for immediate ownership and control over the newly created schema. Option B is correct as using the 'APPLICATIONS keyword when granting privileges is a key security best practice in Snowflake Native Apps. It allows for controlled access to the data within the Application. Option D is correct because idempotency ensures the setup process can be retried if interrupted without causing issues. Option C is incorrect because, While application configuration is important, object creation, like defining schemas and roles usually must preceed loading configuration, and depend on the existence of these core components. Option E is wrong since It should require minimal to zero manual intervension.

NEW QUESTION # 27
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