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Snowflake SnowPro Specialty - Native Apps Sample Questions:

1. You are developing a Snowflake Native Application that includes a Python UDE This UDF needs to interact with an external API that requires authentication using OAuth 2.0. The application package should securely manage the OAuth credentials without exposing them to the consumer account. How can you securely configure and access the OAuth credentials from within the UDF?

A) Store the OAuth client ID and secret in environment variables within the Snowflake environment for the application.
B) Use Snowflake's secret management feature to store the OAuth client ID and secret, and access them from the UDF using 'SYSTEM$GET SECRET.
C) Store the OAuth credentials in a secure external storage (e.g., AWS Secrets Manager) and retrieve them using an external function.
D) Store the OAuth client ID and secret directly in the UDF code as string literals.
E) Configure an OAuth integration in Snowflake and grant the UDF's role access to it, allowing the UDF to obtain tokens using 'SYSTEM$GET OAUTH TOKEN'.

2. You are the provider of a Snowflake Native Application. After releasing version '1.0' of your application, a security vulnerability is discovered. You quickly develop a fix in version '1.1 What steps should you take to ensure that all consumer accounts are promptly and securely upgraded to the fixed version, minimizing disruption to their operations and ensuring their data security?

A) Announce the security vulnerability and the availability of version '1.1 through the Snowflake Marketplace. Rely on consumer accounts to self-upgrade based on their awareness and urgency.
B) Immediately revoke 'USAGE privileges on version '1 .C for all consumer accounts, forcing them to contact you for an upgrade to '1.1'. Provide upgrade instructions in the application's documentation.
C) Grant 'USAGE' privilege to all consumer accounts on version '1.1 Monitor consumer adoption of the newer version, and after a reasonable period, revoke 'USAGE on version '1.0'. Communicating the importance of upgrading.
D) Contact Snowflake Support to request a forced upgrade of all consumer accounts to version ' 1.1 due to the security vulnerability.
E) Use the 'ALTER APPLICATION PACKAGE ... SET DEFAULT VERSION = '1.1" command. This will automatically upgrade all existing installations to the new version during their next scheduled refresh.

3. You are tasked with deploying a new version of your Snowflake Native Application. The new version introduces significant schema changes to the data warehouse used by the application. What steps should you take during the deployment process to ensure a smooth transition and minimize downtime?

A) Immediately replace the existing application version with the new version. Snowflake will automatically handle any schema compatibility issues.
B) Use Snowflake's zero-copy cloning feature to create a copy of the existing database. Apply the schema changes to the cloned database, test thoroughly, and then promote the cloned database to production.
C) Deploy the new version as a staging version alongside the existing version. Implement data migration scripts to gradually move data to the new schema, and then switch the production traffic to the new version.
D) Modify the existing tables in place to reflect the new schema. Update your application's code to be compatible with the new schema after the changes are complete.
E) Notify all users that the application will be unavailable for several hours while the schema changes are applied directly to the production environment.

4. You are troubleshooting a Snowflake Native Application installation that consistently fails with a cryptic error message: 'Internal Application Error: Check application logs for details'. You have access to the application's code package but are unsure how to effectively gather detailed logs and telemetry data from the running application. Which strategy would provide the MOST comprehensive and maintainable observability solution within the Snowflake Native App framework?

A) Utilize the view to analyze query execution patterns and identify potential bottlenecks within the application's SQL code.
B) Rely solely on the error messages returned by Snowflake during application execution, as these are sufficient for identifying most installation issues.
C) Integrate a third-party logging framework (e.g., Log4j) into the application code and configure it to write logs to an external logging service accessible over the internet.
D) Implement calls within the application code to write log messages directly to a Snowflake table owned by the application provider. Consumers can then query this table to view logs.
E) Leverage Snowflake's event tables and configure the application to emit custom events to these tables. Consumers can then subscribe to these events to monitor application behavior.

5. You are developing a Native App on Snowflake that collects usage data from consumer accounts. You need to store this data securely and efficiently, and you anticipate that the volume of data will grow rapidly. Which of the following strategies would you consider to OPTIMIZE storage and query performance for this usage data within the application?

A) Partition the usage data table by consumer account ID to isolate data from different consumers.
B) Create separate tables for each consumer account to store their usage data.
C) Implement a data retention policy to automatically purge older usage data that is no longer needed.
D) Use clustering keys on columns commonly used in queries, such as timestamp and consumer account ID. Consider data compression options if available.
E) Store all usage data in a single table and rely on Snowflake's automatic clustering to handle performance.

Solutions: