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Snowflake NAS-C01 Exam Syllabus Topics:

Snowflake SnowPro Specialty - Native Apps Sample Questions:

1. You are designing a Snowflake Native Application that involves data sharing with consumers. You want to leverage a custom Python library 'data_transform.py' within your application package to perform specific data transformations on the shared data before it is accessed by consumers. This library contains sensitive logic and should not be directly visible or accessible by the consumer. Which of the following is the MOST secure and appropriate way to package and utilize this 'data_transform.py' library?

A) Store 'data_transform.py' as an internal stage file and read it dynamically into your application's Python code at runtime.
B) Include directly within your application package's source code and call its functions from within your application's procedures. Grant necessary privileges on the procedures to the consumer's role, ensuring to only expose the procedures and never the python source.
C) Embed the contents of 'data_transform.py' directly within the application's stored procedure code as a multi-line string.
D) Publish 'data_transform.py' as a public Python package on Anaconda and have consumers install it in their Snowflake environment.
E) Package 'data_transform.py' as a user-defined function (UDF) and grant 'USAGE privilege on the UDF to the consumer's role.

2. 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 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.
B) 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.
C) 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.
D) 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.
E) 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.

3. You are developing a Snowflake Native App that requires accessing a specific table within the consumer's account. The consumer should not have direct access to this table. Which of the following is the MOST secure and appropriate method to grant the necessary access?

A) Granting the CONSUMPTION usage privilege on the provider account database to the consumer account, and then granting SELECT on the specific table to a role that the app assumes.
B) Employing a Stored Procedure owned by the application role that queries the table in the provider account, and allowing access to the procedure via API integration.
C) Creating a Snowflake Secure View on the table in the provider account and sharing this view with the consumer account using Data Sharing.
D) Creating a Snowflake Secure UDF that queries the table within the provider account and exposing the UDF to the consumer account through a package.
E) Granting direct SELECT access to the consumer role on the table in the provider account, ensuring to revoke access after the app is installed.

4. You are developing a Snowflake Native Application using Snowpark Container Services. The application needs to access sensitive data stored in an internal stage, but you want to ensure that only the application's container service can access this stage and no other users or processes. How can you achieve this using network policies and ingress/egress rules?

A) Create a network policy that allows inbound traffic only from the specific IP address range of the Snowflake region where the container service is running. Grant READ and 'WRITE privileges on the internal stage to the Native App's service account.
B) Create a network policy that allows inbound traffic from all IP addresses and attach it to the account. Grant 'READ and 'WRITE' privileges on the internal stage to the Native App's service account.
C) Create an egress rule for the container service that allows outbound traffic only to Snowflake's internal IP address range. Create a network policy that allows inbound traffic only from the container service's egress IP address. Grant 'READ and 'WRITE privileges on the internal stage to the Native App's service account.
D) Create an ingress rule for the container service that specifies allowed inbound connections and egress rule for the container service that only allows outbound traffic to Snowflake's internal endpoint for stage access. Grant 'READ and 'WRITE privileges on the internal stage to the Native App's service account.
E) Create an ingress rule for the container service that allows only outbound traffic to the internet. Grant 'READ and 'WRITE privileges on the internal stage to the Native App's service account.

5. You are designing a setup script for a Snowflake Native Application. This script needs to perform the following actions: 1. Create a secure view that exposes a subset of data from a table owned by the provider account. 2. Grant 'SELECT privilege on this secure view to a specific role within the consumer account, but ONLY if that role already exists in the consumer account. 3. Create a UDF in the provider account which calls external function. This UDF needs access to a secret stored in a Snowflake secret object. Which of the following code snippets BEST implements these requirements, ensuring both security and proper privilege management?

A)

B)

C)

D)

E)

Solutions: