NAS-C01 Exam Material - NAS-C01 Exam Quiz

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Snowflake NAS-C01 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Native Application Design and Creation	35%	- Application development workflow 1. Application roles and privileges 2. Building and versioning applications
Topic 2: Deployment and Marketplace Publishing	25%	- Distribution and lifecycle management 1. Version upgrades and release management 2. Marketplace listings and publishing
Topic 3: Installation, Testing and Troubleshooting	20%	- Validation and debugging 1. Tracing and troubleshooting workflows 2. Logging and event tables
Topic 4: Snowflake Native App Framework Overview	20%	- Native application concepts and architecture 1. Application packages and structure 2. Manifest files and setup scripts

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Snowflake SnowPro Specialty - Native Apps Sample Questions (Q264-Q269):

NEW QUESTION # 264
A developer is building a Snowflake Native App that requires secure storage of sensitive application configuration dat a. Which of the following Snowflake features is the MOST appropriate to use within the application package to manage and secure this data?

A. Snowflake Secrets, accessed via SQL commands and managed through object privileges.
B. Using a Stage to store encrypted configuration files, accessible by the application using external functions.
C. Snowflake Stored Procedures with 'CALLER rights, encrypting the data within the procedure.
D. Storing the data in a standard Snowflake table within the application package, relying on Snowflake's built-in encryption.
E. Encrypting the data with a customer-managed key (CMK) stored outside of Snowflake and decrypting it within a UDF.

Answer: A

Explanation:
Snowflake Secrets are specifically designed for storing sensitive information like API keys and passwords within Snowflake. They provide a secure way to manage and access this data without exposing it directly in code. They leverage Snowflake's object privileges to control access.

NEW QUESTION # 265
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)

A. Grant the 'SELECT privilege on the 'consumer_db.app_schema.customer_data' table to the 'APPLICATION ROLE app_role'.
B. No privileges are needed as the Application already installed in consumer account.
C. Grant the 'IMPORTED PRIVILEGES' privilege on the 'consumer_db' database to the 'APPLICATION PACKAGE.
D. Grant the 'USAGE privilege on the schema to the 'APPLICATION ROLE app_role' .
E. Grant the 'SELECT privilege on the 'consumer_db.app_schema.customer_data' table to the 'APPLICATION PACKAGE

Answer: A,D

Explanation:
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.

NEW QUESTION # 266
When designing the architecture of a Snowflake Native App, which of the following architectural considerations and trade-offs should you carefully evaluate to optimize performance, security, and cost-effectiveness? (Select all that apply)

A. Minimizing data transfer between the provider and consumer accounts by leveraging Snowpark and UDFs for data processing within the consumer's environment.
B. Using secured API integration to call the external APIs to get real time details in the app to make the app more useful.
C. Implementing robust error handling and logging mechanisms to facilitate debugging and monitoring of the application's behavior in both the provider and consumer environments.
D. Choosing the appropriate data access model (e.g., UDFs, stored procedures, Snowpark) based on the specific use case and performance requirements, considering the overhead associated with each approach.
E. Storing all application data within the provider account and accessing it directly from the consumer account using data sharing to avoid data duplication.

Answer: A,C,D

Explanation:
Options A, D, and E are crucial for optimal Snowflake Native App design. Minimizing data transfer (A) reduces costs and improves performance. Robust error handling and logging (D) are essential for debugging and monitoring. Choosing the correct data access model (E) is a key performance factor. Option B is incorrect because storing all data in the provider account and sharing to the consumer introduces unnecessary dependencies and potential security risks. Consumers also need to pay for querying your shared data. Option C is not always desirable, since calling external API every time would be too expensive.

NEW QUESTION # 267
You are creating a Snowflake Native Application that uses Snowpark Container Services. The application needs to process large datasets and requires a Compute Pool with specific GPU resources. You use the following SQL command to create a compute pool:

After creating the compute pool, you notice that your Snowpark Container Service is unable to start. Upon inspecting the 'SYSTEM$GET CP POLICY' for the allowed instance families list does not contain 'GPU NV M'. What is the MOST likely reason for this and how do you rectify it?

A. The account does not have access to GPU-based instance families. Contact Snowflake support to enable GPU instance families for your account.
B. The specified instance family is invalid or not supported in your region. Use 'SYSTEM$GET_CP POLICY to verify the available instance families and choose a supported one.
C. GPU instance types are automatically enabled as part of SPCS and there is no account restriction.
D. The COMPUTE POOL needs to be explicitly associated to the application package by running ALTER APPLICATION PACKAGE ADD COMPUTE POOL my_compute_poor.
E. You need to explicitly grant the 'USAGE privilege on the instance family to the application role used by the container service using "GRANT USAGE ON INSTANCE FAMILY GPU NV M TO ROLE

Answer: A

Explanation:
GPU instance families are not automatically enabled for all accounts. Access must be explicitly granted. Without the necessary account permissions, the compute pool creation might succeed, but the container service will fail to start. The account admin needs to contact Snowflake to enable it.

NEW QUESTION # 268
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 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.
C. 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.
D. 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.
E. 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.

Answer: D

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 # 269
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