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Snowflake NAS-C01 Exam Syllabus Topics:

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

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Snowflake SnowPro Specialty - Native Apps Sample Questions (Q193-Q198):

NEW QUESTION # 193
You are designing a Snowflake Native Application that utilizes Snowpark Container Services to provide a data enrichment service for customer dat a. This service requires the application to securely store and manage API keys and other sensitive configuration data. Which of the following methods offers the MOST secure and compliant approach for managing these secrets within the context of a Snowflake Native Application deployed in the customer's environment?

A. Storing the API keys in an external key management system (KMS) and granting the container access to the KMS using its assigned service account.
B. Storing the API keys directly within the container's environment variables during the container build process.
C. Hardcoding the API keys within the application's source code. The source code is obfuscated to make it difficult to extract the keys.
D. Encrypting the API keys using a symmetric key and storing them in a Snowflake table. The container retrieves and decrypts the keys at runtime.
E. Leveraging Snowflake secrets to securely store and manage the API keys. The container retrieves the secrets at runtime using the Snowflake API or Snowpark.

Answer: E

Explanation:
Option C is the most secure and compliant approach. Snowflake secrets provide a secure and managed way to store and manage sensitive data within the Snowflake environment. The container can retrieve the secrets at runtime using the Snowflake API or Snowpark, without exposing the keys directly in the container image or environment variables. Option A is insecure. Option B requires key management. Option D is complex and depends on external systems. Option E is highly insecure.

NEW QUESTION # 194
Your Snowflake Native Application uses a combination of stored procedures and UDFs. You've implemented robust logging within your application to track usage and potential errors. You want to grant a Snowflake support engineer temporary access to these logs for troubleshooting purposes, minimizing the risk of exposing sensitive consumer dat a. Select the two statements below that describe best practices to ensure security and efficiency.

A. Use a temporary table to copy the relevant log data, mask sensitive information using 'MASKING POLICY or 'ANONYMIZATION' and grant the support engineer SELECT access to the temporary table. Schedule the table to drop automatically after a short period (e.g. 24 hours).
B. Implement row-level security (RLS) policies on the logging table to restrict access based on the support engineer's role.
C. Grant the support engineer OWNERSHIP of the database containing the logging tables. This allows them full access for troubleshooting.
D. Create a new user role specifically for support and grant this role SELECT privileges on the logging tables without any filtering.
E. Create a dedicated view on the logging table that filters out sensitive data (e.g., PII) and grant the support engineer SELECT privileges on this view.

Answer: A,E

Explanation:
Options A and D are the most secure and efficient methods. Option A creates a restricted view, limiting the data the engineer can see. Option D uses masking and temporary tables to provide access to anonymized data for a limited time. Granting ownership (B) provides excessive permissions. RLS (C) is valid, but more complex for temporary access. The best practice is to avoid granting access directly to raw data or granting unnecessary privileges. Option E lacks security considerations by granting direct access to raw unfiltered data.

NEW QUESTION # 195
You are building a Snowflake Native Application that relies on a complex transformation pipeline. This pipeline involves multiple SQL scripts and User-Defined Functions (UDFs). To manage this complexity, you want to ensure that the deployment process is automated and repeatable. Which approach would you consider to manage the deployment and versioning of your application code and its database objects?

A. Package all SQL scripts and UDFs into a single, large SQL file and execute it during installation.
B. Manually execute each SQL script and UDF creation statement in the consumer's Snowflake environment.
C. Use a deployment tool like Flyway or Liquibase to manage database schema changes and versioning, integrating it into your application's setup script.
D. Store SQL Scripts and UDFs external to the application, providing instructions to the consumers to manually download and install.
E. Rely exclusively on Snowflake's built-in version control features (if available), which automatically manage schema changes.

Answer: C

Explanation:
Using a deployment tool like Flyway or Liquibase (C) enables you to manage database schema changes and versioning in an automated and repeatable manner. These tools allow you to define migrations, apply them in a controlled sequence, and track changes over time. Executing scripts manually (A) is prone to errors and not scalable. A single large SQL file (B) becomes difficult to manage and troubleshoot. Storing SQL scripts external to the application (D) increases risk as the application is tightly linked to external artifacts. Snowflake itself does not provide build-in schema version control(E).

NEW QUESTION # 196
You are developing a Snowflake Native Application that integrates with an external API to enrich data within the consumer's account. You need to design the setup script to handle API credentials securely and ensure that consumers can configure their own API keys. Which of the following methods is the MOST secure and recommended approach for managing API credentials within a Snowflake Native Application?

A. Use Snowflake's secret management capabilities (e.g., SECRETS feature) to store the API credentials securely, allowing consumers to create and manage their own secrets and reference them within the application.
B. Encrypt the API credentials using a simple symmetric key and include the decryption key in the setup script.
C. Store the API credentials in a publicly accessible stage and instruct consumers to download and configure them manually.
D. Hardcode the API credentials directly into the setup script and distribute them to consumers.
E. Store the API credentials as environment variables within the application's deployment environment.

Answer: A

Explanation:
Using Snowflake's secret management capabilities (C) provides the most secure way to store and manage API credentials. This allows consumers to control their own credentials and prevent them from being exposed in the application code. Hardcoding credentials (A) is a major security risk. Storing credentials in a publicly accessible stage (B) is also insecure. Storing them as environment variables (D) might not be persistent. Encrypting with a symmetric key included in the setup script (E) does not provide adequate security as the decryption key is readily available.

NEW QUESTION # 197
You are designing a Snowflake Native App that interacts with sensitive customer dat a. You need to ensure that the application only accesses the data it absolutely needs and adheres to the principle of least privilege. Which of the following strategies are crucial for maintaining data security within your application?

A. Store sensitive customer data directly within the application package to avoid external access.
B. Create specific roles with granular access privileges (e.g., 'SELECT on specific columns) and grant these roles to the application's managed service account.
C. Utilize Snowflake's secure UDFs with invoker's rights to perform data transformations and access control based on the user's role.
D. Implement data masking policies to redact sensitive information before it's accessed by the application.
E. Grant the application role the 'OWNERSHIP' privilege on all tables containing customer data.

Answer: B,C,D

Explanation:
Options B, C, and E are essential for data security. Granting granular privileges (B) minimizes the attack surface. Data masking (C) prevents direct exposure of sensitive information. Secure UDFs with invoker's rights (E) enforce access control at the function level. Option A grants excessive privileges. Option D is an anti-pattern, as application packages should not store persistent data.

NEW QUESTION # 198
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