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デモをダウンロードする

Snowflake SnowPro Specialty - Native Apps 認定 NAS-C01 試験問題:

1. A Snowflake Native Application developer is deploying a Snowpark Container Services service. The 'service.yamr file includes the following configuration snippet for defining the service's endpoint:

A) Set 'useTls' to true under ports specification. No changes are required to the 'service.yaml' file.
B) Configure the container application itself to handle TLS termination using a self-signed certificate. No changes are required in the 'service.yaml' file.
C) Add a TLS certificate and key to the Kubernetes Secret referenced by the 'tls' field in the Ingress configuration. Also, update the port configuration to reflect port 443.
D)

E) Update the port configuration to use port 443 and set the protocol to 'TLS'. Snowflake automatically handles TLS termination for SPCS services on port 443.

2. You are designing a Snowflake Native Application that uses Snowpark Container Services to process dat a. The application needs to store intermediate results in a Snowflake table. You have the following requirements: 1. The table should only be accessible to the Native App. 2. The table schema should be automatically updated when the application is upgraded. 3. You want to minimize the privileges granted to the container service's service account. Which of the following approaches should you use? (Select TWO)

A) Create the table within the application's package using a setup script. Grant the 'USAGE privilege on the application's schema to the Native App's service account.
B) Create the table within the application's package using a setup script. The setup script should execute during the application installation and upgrade process.
C) Create a separate database for the Native App's internal data and grant the 'OWNERSHIP' privilege on this database to the Native App's service account.
D) Grant 'ALL PRIVILEGES on the database containing the table to the Native App's service account. This allows the application to manage the table and its schema.
E) Create the table manually in the consumer's account and grant 'USAGE' and 'SELECT privileges on the table to the Native App's service account.

3. You are developing a Snowflake Native App using Python that performs complex data transformations using UDFs and external functions. During consumer testing, you observe intermittent 'Remote service timed out' errors when calling the external function. The external function is hosted on AWS Lambd a. Which combination of the following actions would BEST address this issue, ensuring reliability without compromising security?

A) Migrate the external function to a Snowflake Java UDF to minimize network latency, and reduce the payload size sent to the external function. Verify that the AWS Lambda function and Snowflake instance are in the same region.
B) Implement queue-based processing for external function calls using Snowflake streams and tasks, leverage a message queue service (e.g., SQS) to buffer requests, and ensure the Lambda function has sufficient concurrency and is not being throttled.
C) Implement retry logic in the Python code calling the external function with exponential backoff, and configure Snowflake to use a larger warehouse size to improve network bandwidth. Furthermore, check if AWS Lambda throttles the execution of requests.
D) Cache the results of the external function calls in a Snowflake table to reduce the number of calls to the external service, and implement robust error handling and logging in both the Snowflake UDF and the Lambda function. Always return a value, even in case of error.
E) Increase the timeout setting for the external function in Snowflake, optimize the Lambda function code for faster execution, and monitor Lambda function metrics (e.g., duration, errors) using CloudWatch. Also, increase the memory allocation for the AWS Lambda function.

4. Your team is building a Snowflake Native App that uses a UDF (User-Defined Function) for data enrichment. The UDF needs to access an external API key. Which of the following approaches are valid and secure methods for providing the API key to the UDF within the Native App framework?

A) Pass the API key as a parameter to the UDF when it's called.
B) Use a secure parameter in the MANIFEST.yml and access it within the UDF.
C) Store the API key in a database table within the consumer's account and grant the UDF access to that table.
D) Store the API key using Snowflake's Secret Management feature and grant the UDF access to the secret.
E) Store the API key directly in the UDF's code.

5. You are building a Snowflake Native Application that provides a data transformation service. You want to allow consumers to configure certain aspects of the transformation pipeline (e.g., the name of the target table, specific transformation logic). What are the recommended approach(es) to allow consumers to customize the application's behavior without directly modifying the application code?

A) Require consumers to fork the application's repository and modify the SQL code directly.
B) Expose parameters within the setup script and stored procedures that consumers can set during application installation or execution.
C) Include default configurations within a file on the external stage, which consumers are expected to download, modify, and then upload back as a different file for the application to load.
D) Implement a configuration table within the application's schema that consumers can update with their desired settings. The application code reads these settings at runtime.
E) Utilize Snowflake's Secure UDFs (User-Defined Functions) and allow consumers to provide their own UDFs as configuration.

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