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Snowflake SnowPro Specialty - Native Apps Sample Questions:

1. A Native Application developer is creating a data product to be sold on the Snowflake Marketplace. The application needs read access to a shared database called 'RETAIL DATA'. The application logic includes a function that reads a lookup table, 'PRODUCT CATEGORIES', within this shared database. Which sequence of actions, executed by the application provider, ensures the application can access this table at installation time and after updates, following least privilege principles?

A) Grant USAGE on ' RETAIL_DATX to the application role during the application's setup script. Do not grant 'IMPORTED PRIVILEGES' on the database.
B) Grant 'IMPORTED PRIVILEGES' on 'RETAIL DATA' to the application role. The application setup script should also GRANT USAGE on database RETAIL_DATA and then GRANT SELECT on to the application role.
C) Grant 'SELECT on to the application role during the application's setup script. Do not grant 'IMPORTED PRIVILEGES' on the database.
D) Grant 'IMPORTED PRIVILEGES' on 'RETAIL DATA to the application role. Rely on the consumer to grant 'SELECT access to tables within 'RETAIL DATA' to the application role.
E) Grant 'IMPORTED PRIVILEGES' on to the application role. Grant 'SELECT on to the application role during the application's setup script.

2. You are tasked with automating the creation of Snowflake Marketplace listings for several Native Applications. The application metadata, pricing tiers, and listing descriptions are stored in a JSON file. Which Snowflake feature(s) or approach would best facilitate the automated creation and management of these listings?

A) Develop a custom Python script that uses the Snowflake Connector for Python to execute SQL commands to create and configure listings by parsing data from the JSON file.
B) Directly upload the JSON file to a Snowflake stage and use a stored procedure to parse the JSON and create listings using SQL commands.
C) Use the Snowflake CLI (if available) along with a scripting language like Bash to automate the listing creation process.
D) Utilize the Snowflake UI's 'Create Listing' wizard, manually entering the data for each application from the JSON file.
E) Leverage Snowflake's REST API (if available) to programmatically create and manage listings based on the JSON data. Utilize 'SYSTEM$COREATE_PARKETPLACE_LISTING' function.

3. As a Native App Provider, you've identified a performance bottleneck in a query against a table within your application's container due to an inefficient join. The query is part of a view exposed to consumers. Which of the following actions would be MOST effective in improving the query performance while minimizing disruption to consumers?

A) Create a search optimization policy on columns used in the 'WHERE' clause in the view. This does not require any changes from the consumers.
B) Create a materialized view in place of the existing view, pre-computing the join results. This will require consumers to update their queries to use the new materialized view name.
C) Rewrite the query in the view definition to use a more efficient join algorithm (e.g., using hints). Consumers will automatically benefit from the improved performance.
D) Add a 'CLUSTER BY clause to the underlying table based on the join keys. Consumers will automatically benefit from improved query performance without any changes on their end.
E) Implement a scheduled task to regularly update the statistics of the table involved in the join. This will help the query optimizer make better decisions, and consumers will see improved performance gradually.

4. Consider a scenario where you are developing a Snowflake Native App which utilizes a UDF (User-Defined Function). This UDF needs to access a secure external API using a secret stored securely within Snowflake. Which of the following statements are accurate regarding the necessary privileges and architecture for this setup? (Select all that apply)

A) The application instance must be granted the REFERENCE USAGE privilege on the secret to allow the UDF to access it.
B) The application package needs the EXECUTE privilege on the secret for the UDF to use it.
C) The application developer needs the "APPLY privilege to create the secret in the application package.
D) The consumer account automatically inherits access to secrets created in the application package.
E) The application developer needs the 'CREATE SECRET privilege to create the secret in the application package.

5. You are developing a Snowflake Native App that needs to perform asynchronous tasks in the consumer's account. Which of the following approaches is the MOST suitable and secure way to achieve this, ensuring minimal impact on the consumer's resources and maintaining data integrity?

A) Utilize an external message queue (e.g., AWS SQS, Azure Queue Storage) to offload asynchronous tasks, requiring the consumer to configure network policies to allow egress traffic to the queue.
B) The Native App can create task and warehouse in the consumer account to execute the code using CREATE APPLICATION command. The application uses SNOWFLAKE.CORE.AUTHZ.PASS PRIVILEGES() to execute these tasks.
C) Create a Snowflake Task that is executed within the consumer's account, triggered by events within the application, and configured to run on a Snowflake-managed compute pool.
D) Implement a Snowpark UDF that starts a new thread to handle the asynchronous task within the consumer's compute environment.
E) Implement a scheduled stored procedure that polls for new tasks every minute and processes them, potentially consuming significant compute resources in the consumer's account. The stored procedure is deployed in the consumer's account using CREATE APPLICATION.

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